android-tracking.patch
authorSean McNeil <sean@mcneil.com>
Fri, 21 Nov 2008 11:23:01 +0000 (11:23 +0000)
committerAndy Green <agreen@pads.home.warmcat.com>
Fri, 21 Nov 2008 11:23:01 +0000 (11:23 +0000)
Minimal set of kernel changes to support Android operation.
Note arch/arm/configs/gta02-android-defconfig

28 files changed:
arch/arm/Kconfig
arch/arm/configs/gta02-android-defconfig [new file with mode: 0644]
drivers/Kconfig
drivers/Makefile
drivers/android/Kconfig [new file with mode: 0644]
drivers/android/Makefile [new file with mode: 0644]
drivers/android/alarm.c [new file with mode: 0644]
drivers/android/binder.c [new file with mode: 0644]
drivers/android/logger.c [new file with mode: 0644]
drivers/android/power.c [new file with mode: 0644]
drivers/android/ram_console.c [new file with mode: 0644]
drivers/android/timed_gpio.c [new file with mode: 0644]
drivers/misc/Kconfig
drivers/misc/Makefile
drivers/misc/lowmemorykiller.c [new file with mode: 0644]
include/linux/android_aid.h [new file with mode: 0644]
include/linux/android_alarm.h [new file with mode: 0644]
include/linux/android_power.h [new file with mode: 0644]
include/linux/android_timed_gpio.h [new file with mode: 0644]
include/linux/ashmem.h [new file with mode: 0644]
include/linux/binder.h [new file with mode: 0644]
include/linux/logger.h [new file with mode: 0644]
include/linux/mm.h
init/Kconfig
mm/Makefile
mm/ashmem.c [new file with mode: 0644]
mm/shmem.c
mm/tiny-shmem.c

index eb42a1e..0ebe540 100644 (file)
@@ -1283,6 +1283,8 @@ source "drivers/rtc/Kconfig"
 
 source "drivers/dma/Kconfig"
 
+source "drivers/android/Kconfig"
+
 source "drivers/dca/Kconfig"
 
 source "drivers/auxdisplay/Kconfig"
diff --git a/arch/arm/configs/gta02-android-defconfig b/arch/arm/configs/gta02-android-defconfig
new file mode 100644 (file)
index 0000000..e8b611e
--- /dev/null
@@ -0,0 +1,1808 @@
+#
+# Automatically generated make config: don't edit
+# Linux kernel version: 2.6.27
+# Sun Oct 19 12:49:09 2008
+#
+CONFIG_ARM=y
+CONFIG_HAVE_PWM=y
+CONFIG_SYS_SUPPORTS_APM_EMULATION=y
+CONFIG_GENERIC_GPIO=y
+# CONFIG_GENERIC_TIME is not set
+# CONFIG_GENERIC_CLOCKEVENTS is not set
+CONFIG_MMU=y
+CONFIG_NO_IOPORT=y
+CONFIG_GENERIC_HARDIRQS=y
+CONFIG_STACKTRACE_SUPPORT=y
+CONFIG_HAVE_LATENCYTOP_SUPPORT=y
+CONFIG_LOCKDEP_SUPPORT=y
+CONFIG_TRACE_IRQFLAGS_SUPPORT=y
+CONFIG_HARDIRQS_SW_RESEND=y
+CONFIG_GENERIC_IRQ_PROBE=y
+CONFIG_RWSEM_GENERIC_SPINLOCK=y
+# CONFIG_ARCH_HAS_ILOG2_U32 is not set
+# CONFIG_ARCH_HAS_ILOG2_U64 is not set
+CONFIG_GENERIC_HWEIGHT=y
+CONFIG_GENERIC_CALIBRATE_DELAY=y
+CONFIG_ARCH_SUPPORTS_AOUT=y
+CONFIG_ZONE_DMA=y
+CONFIG_FIQ=y
+CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
+CONFIG_VECTORS_BASE=0xffff0000
+CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
+
+#
+# General setup
+#
+CONFIG_EXPERIMENTAL=y
+CONFIG_BROKEN_ON_SMP=y
+CONFIG_LOCK_KERNEL=y
+CONFIG_INIT_ENV_ARG_LIMIT=32
+CONFIG_LOCALVERSION=""
+# CONFIG_LOCALVERSION_AUTO is not set
+CONFIG_SWAP=y
+CONFIG_SYSVIPC=y
+CONFIG_SYSVIPC_SYSCTL=y
+# CONFIG_POSIX_MQUEUE is not set
+# CONFIG_BSD_PROCESS_ACCT is not set
+# CONFIG_TASKSTATS is not set
+# CONFIG_AUDIT is not set
+# CONFIG_IKCONFIG is not set
+CONFIG_LOG_BUF_SHIFT=14
+# CONFIG_CGROUPS is not set
+CONFIG_GROUP_SCHED=y
+CONFIG_FAIR_GROUP_SCHED=y
+# CONFIG_RT_GROUP_SCHED is not set
+CONFIG_USER_SCHED=y
+# CONFIG_CGROUP_SCHED is not set
+CONFIG_SYSFS_DEPRECATED=y
+CONFIG_SYSFS_DEPRECATED_V2=y
+# CONFIG_RELAY is not set
+# CONFIG_NAMESPACES is not set
+# CONFIG_BLK_DEV_INITRD is not set
+CONFIG_CC_OPTIMIZE_FOR_SIZE=y
+CONFIG_SYSCTL=y
+CONFIG_EMBEDDED=y
+CONFIG_UID16=y
+CONFIG_SYSCTL_SYSCALL=y
+CONFIG_KALLSYMS=y
+# CONFIG_KALLSYMS_ALL is not set
+# CONFIG_KALLSYMS_EXTRA_PASS is not set
+CONFIG_HOTPLUG=y
+CONFIG_PRINTK=y
+CONFIG_BUG=y
+CONFIG_ELF_CORE=y
+CONFIG_COMPAT_BRK=y
+CONFIG_BASE_FULL=y
+CONFIG_FUTEX=y
+CONFIG_ANON_INODES=y
+CONFIG_EPOLL=y
+CONFIG_SIGNALFD=y
+CONFIG_TIMERFD=y
+CONFIG_EVENTFD=y
+CONFIG_SHMEM=y
+CONFIG_ASHMEM=y
+CONFIG_VM_EVENT_COUNTERS=y
+CONFIG_SLAB=y
+# CONFIG_SLUB is not set
+# CONFIG_SLOB is not set
+# CONFIG_PROFILING is not set
+# CONFIG_MARKERS is not set
+CONFIG_HAVE_OPROFILE=y
+# CONFIG_KPROBES is not set
+# CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS is not set
+# CONFIG_HAVE_IOREMAP_PROT is not set
+CONFIG_HAVE_KPROBES=y
+CONFIG_HAVE_KRETPROBES=y
+# CONFIG_HAVE_ARCH_TRACEHOOK is not set
+# CONFIG_HAVE_DMA_ATTRS is not set
+# CONFIG_USE_GENERIC_SMP_HELPERS is not set
+CONFIG_HAVE_CLK=y
+CONFIG_PROC_PAGE_MONITOR=y
+CONFIG_HAVE_GENERIC_DMA_COHERENT=y
+CONFIG_SLABINFO=y
+CONFIG_RT_MUTEXES=y
+# CONFIG_TINY_SHMEM is not set
+CONFIG_BASE_SMALL=0
+CONFIG_MODULES=y
+# CONFIG_MODULE_FORCE_LOAD is not set
+CONFIG_MODULE_UNLOAD=y
+CONFIG_MODULE_FORCE_UNLOAD=y
+# CONFIG_MODVERSIONS is not set
+# CONFIG_MODULE_SRCVERSION_ALL is not set
+CONFIG_KMOD=y
+CONFIG_BLOCK=y
+# CONFIG_LBD is not set
+# CONFIG_BLK_DEV_IO_TRACE is not set
+# CONFIG_LSF is not set
+# CONFIG_BLK_DEV_BSG is not set
+# CONFIG_BLK_DEV_INTEGRITY is not set
+
+#
+# IO Schedulers
+#
+CONFIG_IOSCHED_NOOP=y
+CONFIG_IOSCHED_AS=m
+CONFIG_IOSCHED_DEADLINE=y
+CONFIG_IOSCHED_CFQ=m
+# CONFIG_DEFAULT_AS is not set
+CONFIG_DEFAULT_DEADLINE=y
+# CONFIG_DEFAULT_CFQ is not set
+# CONFIG_DEFAULT_NOOP is not set
+CONFIG_DEFAULT_IOSCHED="deadline"
+CONFIG_CLASSIC_RCU=y
+
+#
+# System Type
+#
+# CONFIG_ARCH_AAEC2000 is not set
+# CONFIG_ARCH_INTEGRATOR is not set
+# CONFIG_ARCH_REALVIEW is not set
+# CONFIG_ARCH_VERSATILE is not set
+# CONFIG_ARCH_AT91 is not set
+# CONFIG_ARCH_CLPS7500 is not set
+# CONFIG_ARCH_CLPS711X is not set
+# CONFIG_ARCH_EBSA110 is not set
+# CONFIG_ARCH_EP93XX is not set
+# CONFIG_ARCH_FOOTBRIDGE is not set
+# CONFIG_ARCH_NETX is not set
+# CONFIG_ARCH_H720X is not set
+# CONFIG_ARCH_IMX is not set
+# CONFIG_ARCH_IOP13XX is not set
+# CONFIG_ARCH_IOP32X is not set
+# CONFIG_ARCH_IOP33X is not set
+# CONFIG_ARCH_IXP23XX is not set
+# CONFIG_ARCH_IXP2000 is not set
+# CONFIG_ARCH_IXP4XX is not set
+# CONFIG_ARCH_L7200 is not set
+# CONFIG_ARCH_KIRKWOOD is not set
+# CONFIG_ARCH_KS8695 is not set
+# CONFIG_ARCH_NS9XXX is not set
+# CONFIG_ARCH_LOKI is not set
+# CONFIG_ARCH_MV78XX0 is not set
+# CONFIG_ARCH_MXC is not set
+# CONFIG_ARCH_ORION5X is not set
+# CONFIG_ARCH_PNX4008 is not set
+# CONFIG_ARCH_PXA is not set
+# CONFIG_ARCH_RPC is not set
+# CONFIG_ARCH_SA1100 is not set
+CONFIG_ARCH_S3C2410=y
+# CONFIG_ARCH_SHARK is not set
+# CONFIG_ARCH_LH7A40X is not set
+# CONFIG_ARCH_DAVINCI is not set
+# CONFIG_ARCH_OMAP is not set
+# CONFIG_ARCH_MSM7X00A is not set
+CONFIG_PLAT_S3C24XX=y
+CONFIG_CPU_S3C244X=y
+CONFIG_S3C24XX_PWM=y
+CONFIG_S3C2410_DMA=y
+# CONFIG_S3C2410_DMA_DEBUG is not set
+CONFIG_MACH_NEO1973=y
+CONFIG_PLAT_S3C=y
+CONFIG_CPU_LLSERIAL_S3C2410_ONLY=y
+CONFIG_CPU_LLSERIAL_S3C2410=y
+
+#
+# Boot options
+#
+# CONFIG_S3C_BOOT_ERROR_RESET is not set
+
+#
+# Power management
+#
+# CONFIG_S3C2410_PM_DEBUG is not set
+# CONFIG_S3C2410_PM_CHECK is not set
+CONFIG_S3C_LOWLEVEL_UART_PORT=2
+
+#
+# S3C2400 Machines
+#
+CONFIG_CPU_S3C2410=y
+CONFIG_CPU_S3C2410_DMA=y
+CONFIG_S3C2410_PM=y
+CONFIG_S3C2410_GPIO=y
+CONFIG_S3C2410_CLOCK=y
+CONFIG_S3C2410_PWM=y
+
+#
+# S3C2410 Machines
+#
+# CONFIG_ARCH_SMDK2410 is not set
+# CONFIG_ARCH_H1940 is not set
+# CONFIG_MACH_N30 is not set
+# CONFIG_ARCH_BAST is not set
+# CONFIG_MACH_OTOM is not set
+# CONFIG_MACH_AML_M5900 is not set
+# CONFIG_MACH_TCT_HAMMER is not set
+# CONFIG_MACH_VR1000 is not set
+# CONFIG_MACH_QT2410 is not set
+CONFIG_MACH_NEO1973_GTA01=y
+
+#
+# S3C2412 Machines
+#
+# CONFIG_MACH_JIVE is not set
+# CONFIG_MACH_SMDK2413 is not set
+# CONFIG_MACH_SMDK2412 is not set
+# CONFIG_MACH_VSTMS is not set
+CONFIG_S3C2440_C_FIQ=y
+
+#
+# S3C2440 Machines
+#
+# CONFIG_MACH_ANUBIS is not set
+# CONFIG_MACH_OSIRIS is not set
+# CONFIG_MACH_RX3715 is not set
+# CONFIG_ARCH_S3C2440 is not set
+# CONFIG_MACH_NEXCODER_2440 is not set
+# CONFIG_MACH_AT2440EVB is not set
+CONFIG_MACH_NEO1973_GTA02=y
+# CONFIG_NEO1973_GTA02_2440 is not set
+CONFIG_CPU_S3C2442=y
+
+#
+# S3C2442 Machines
+#
+
+#
+# S3C2443 Machines
+#
+# CONFIG_MACH_SMDK2443 is not set
+
+#
+# Processor Type
+#
+CONFIG_CPU_32=y
+CONFIG_CPU_ARM920T=y
+CONFIG_CPU_32v4T=y
+CONFIG_CPU_ABRT_EV4T=y
+CONFIG_CPU_PABRT_NOIFAR=y
+CONFIG_CPU_CACHE_V4WT=y
+CONFIG_CPU_CACHE_VIVT=y
+CONFIG_CPU_COPY_V4WB=y
+CONFIG_CPU_TLB_V4WBI=y
+CONFIG_CPU_CP15=y
+CONFIG_CPU_CP15_MMU=y
+
+#
+# Processor Features
+#
+CONFIG_ARM_THUMB=y
+# CONFIG_CPU_ICACHE_DISABLE is not set
+# CONFIG_CPU_DCACHE_DISABLE is not set
+# CONFIG_CPU_DCACHE_WRITETHROUGH is not set
+# CONFIG_OUTER_CACHE is not set
+
+#
+# Bus support
+#
+# CONFIG_PCI_SYSCALL is not set
+# CONFIG_ARCH_SUPPORTS_MSI is not set
+# CONFIG_PCCARD is not set
+
+#
+# Kernel Features
+#
+# CONFIG_TICK_ONESHOT is not set
+CONFIG_PREEMPT=y
+CONFIG_HZ=200
+CONFIG_AEABI=y
+# CONFIG_OABI_COMPAT is not set
+CONFIG_ARCH_FLATMEM_HAS_HOLES=y
+# CONFIG_ARCH_DISCONTIGMEM_ENABLE is not set
+CONFIG_SELECT_MEMORY_MODEL=y
+CONFIG_FLATMEM_MANUAL=y
+# CONFIG_DISCONTIGMEM_MANUAL is not set
+# CONFIG_SPARSEMEM_MANUAL is not set
+CONFIG_FLATMEM=y
+CONFIG_FLAT_NODE_MEM_MAP=y
+# CONFIG_SPARSEMEM_STATIC is not set
+# CONFIG_SPARSEMEM_VMEMMAP_ENABLE is not set
+CONFIG_PAGEFLAGS_EXTENDED=y
+CONFIG_SPLIT_PTLOCK_CPUS=4096
+# CONFIG_RESOURCES_64BIT is not set
+CONFIG_ZONE_DMA_FLAG=1
+CONFIG_BOUNCE=y
+CONFIG_VIRT_TO_BUS=y
+CONFIG_ALIGNMENT_TRAP=y
+
+#
+# Boot options
+#
+CONFIG_ZBOOT_ROM_TEXT=0x0
+CONFIG_ZBOOT_ROM_BSS=0x0
+CONFIG_CMDLINE="unused -- bootloader passes ATAG list"
+# CONFIG_XIP_KERNEL is not set
+CONFIG_KEXEC=y
+CONFIG_ATAGS_PROC=y
+
+#
+# Floating point emulation
+#
+
+#
+# At least one emulation must be selected
+#
+
+#
+# Userspace binary formats
+#
+CONFIG_BINFMT_ELF=y
+# CONFIG_BINFMT_AOUT is not set
+# CONFIG_BINFMT_MISC is not set
+
+#
+# Power management options
+#
+CONFIG_PM=y
+# CONFIG_PM_DEBUG is not set
+CONFIG_PM_SLEEP=y
+CONFIG_SUSPEND=y
+CONFIG_SUSPEND_FREEZER=y
+CONFIG_APM_EMULATION=y
+CONFIG_ARCH_SUSPEND_POSSIBLE=y
+CONFIG_NET=y
+
+#
+# Networking options
+#
+CONFIG_PACKET=y
+CONFIG_PACKET_MMAP=y
+CONFIG_UNIX=y
+CONFIG_XFRM=y
+# CONFIG_XFRM_USER is not set
+# CONFIG_XFRM_SUB_POLICY is not set
+CONFIG_XFRM_MIGRATE=y
+# CONFIG_XFRM_STATISTICS is not set
+CONFIG_XFRM_IPCOMP=m
+CONFIG_NET_KEY=m
+CONFIG_NET_KEY_MIGRATE=y
+CONFIG_INET=y
+CONFIG_IP_MULTICAST=y
+CONFIG_IP_ADVANCED_ROUTER=y
+CONFIG_ASK_IP_FIB_HASH=y
+# CONFIG_IP_FIB_TRIE is not set
+CONFIG_IP_FIB_HASH=y
+CONFIG_IP_MULTIPLE_TABLES=y
+# CONFIG_IP_ROUTE_MULTIPATH is not set
+# CONFIG_IP_ROUTE_VERBOSE is not set
+CONFIG_IP_PNP=y
+# CONFIG_IP_PNP_DHCP is not set
+# CONFIG_IP_PNP_BOOTP is not set
+# CONFIG_IP_PNP_RARP is not set
+CONFIG_NET_IPIP=m
+CONFIG_NET_IPGRE=m
+# CONFIG_NET_IPGRE_BROADCAST is not set
+# CONFIG_IP_MROUTE is not set
+# CONFIG_ARPD is not set
+CONFIG_SYN_COOKIES=y
+CONFIG_INET_AH=m
+CONFIG_INET_ESP=m
+CONFIG_INET_IPCOMP=m
+CONFIG_INET_XFRM_TUNNEL=m
+CONFIG_INET_TUNNEL=m
+CONFIG_INET_XFRM_MODE_TRANSPORT=m
+CONFIG_INET_XFRM_MODE_TUNNEL=m
+CONFIG_INET_XFRM_MODE_BEET=m
+# CONFIG_INET_LRO is not set
+CONFIG_INET_DIAG=y
+CONFIG_INET_TCP_DIAG=y
+# CONFIG_TCP_CONG_ADVANCED is not set
+CONFIG_TCP_CONG_CUBIC=y
+CONFIG_DEFAULT_TCP_CONG="cubic"
+CONFIG_TCP_MD5SIG=y
+# CONFIG_IP_VS is not set
+CONFIG_IPV6=m
+# CONFIG_IPV6_PRIVACY is not set
+# CONFIG_IPV6_ROUTER_PREF is not set
+# CONFIG_IPV6_OPTIMISTIC_DAD is not set
+CONFIG_INET6_AH=m
+CONFIG_INET6_ESP=m
+CONFIG_INET6_IPCOMP=m
+# CONFIG_IPV6_MIP6 is not set
+CONFIG_INET6_XFRM_TUNNEL=m
+CONFIG_INET6_TUNNEL=m
+CONFIG_INET6_XFRM_MODE_TRANSPORT=m
+CONFIG_INET6_XFRM_MODE_TUNNEL=m
+CONFIG_INET6_XFRM_MODE_BEET=m
+# CONFIG_INET6_XFRM_MODE_ROUTEOPTIMIZATION is not set
+CONFIG_IPV6_SIT=m
+CONFIG_IPV6_NDISC_NODETYPE=y
+CONFIG_IPV6_TUNNEL=m
+# CONFIG_IPV6_MULTIPLE_TABLES is not set
+# CONFIG_IPV6_MROUTE is not set
+# CONFIG_NETWORK_SECMARK is not set
+CONFIG_NETFILTER=y
+# CONFIG_NETFILTER_DEBUG is not set
+CONFIG_NETFILTER_ADVANCED=y
+
+#
+# Core Netfilter Configuration
+#
+CONFIG_NETFILTER_NETLINK=m
+CONFIG_NETFILTER_NETLINK_QUEUE=m
+CONFIG_NETFILTER_NETLINK_LOG=m
+CONFIG_NF_CONNTRACK=m
+CONFIG_NF_CT_ACCT=y
+CONFIG_NF_CONNTRACK_MARK=y
+CONFIG_NF_CONNTRACK_EVENTS=y
+# CONFIG_NF_CT_PROTO_DCCP is not set
+CONFIG_NF_CT_PROTO_GRE=m
+CONFIG_NF_CT_PROTO_SCTP=m
+# CONFIG_NF_CT_PROTO_UDPLITE is not set
+# CONFIG_NF_CONNTRACK_AMANDA is not set
+CONFIG_NF_CONNTRACK_FTP=m
+CONFIG_NF_CONNTRACK_H323=m
+CONFIG_NF_CONNTRACK_IRC=m
+CONFIG_NF_CONNTRACK_NETBIOS_NS=m
+CONFIG_NF_CONNTRACK_PPTP=m
+CONFIG_NF_CONNTRACK_SANE=m
+CONFIG_NF_CONNTRACK_SIP=m
+CONFIG_NF_CONNTRACK_TFTP=m
+CONFIG_NF_CT_NETLINK=m
+CONFIG_NETFILTER_XTABLES=m
+CONFIG_NETFILTER_XT_TARGET_CLASSIFY=m
+CONFIG_NETFILTER_XT_TARGET_CONNMARK=m
+CONFIG_NETFILTER_XT_TARGET_DSCP=m
+CONFIG_NETFILTER_XT_TARGET_MARK=m
+CONFIG_NETFILTER_XT_TARGET_NFQUEUE=m
+CONFIG_NETFILTER_XT_TARGET_NFLOG=m
+# CONFIG_NETFILTER_XT_TARGET_RATEEST is not set
+CONFIG_NETFILTER_XT_TARGET_TCPMSS=m
+# CONFIG_NETFILTER_XT_TARGET_TCPOPTSTRIP is not set
+# CONFIG_NETFILTER_XT_MATCH_COMMENT is not set
+CONFIG_NETFILTER_XT_MATCH_CONNBYTES=m
+# CONFIG_NETFILTER_XT_MATCH_CONNLIMIT is not set
+CONFIG_NETFILTER_XT_MATCH_CONNMARK=m
+CONFIG_NETFILTER_XT_MATCH_CONNTRACK=m
+CONFIG_NETFILTER_XT_MATCH_DCCP=m
+CONFIG_NETFILTER_XT_MATCH_DSCP=m
+CONFIG_NETFILTER_XT_MATCH_ESP=m
+CONFIG_NETFILTER_XT_MATCH_HELPER=m
+# CONFIG_NETFILTER_XT_MATCH_IPRANGE is not set
+CONFIG_NETFILTER_XT_MATCH_LENGTH=m
+CONFIG_NETFILTER_XT_MATCH_LIMIT=m
+CONFIG_NETFILTER_XT_MATCH_MAC=m
+CONFIG_NETFILTER_XT_MATCH_MARK=m
+# CONFIG_NETFILTER_XT_MATCH_OWNER is not set
+CONFIG_NETFILTER_XT_MATCH_POLICY=m
+CONFIG_NETFILTER_XT_MATCH_MULTIPORT=m
+CONFIG_NETFILTER_XT_MATCH_PKTTYPE=m
+CONFIG_NETFILTER_XT_MATCH_QUOTA=m
+# CONFIG_NETFILTER_XT_MATCH_RATEEST is not set
+CONFIG_NETFILTER_XT_MATCH_REALM=m
+CONFIG_NETFILTER_XT_MATCH_SCTP=m
+CONFIG_NETFILTER_XT_MATCH_STATE=m
+CONFIG_NETFILTER_XT_MATCH_STATISTIC=m
+CONFIG_NETFILTER_XT_MATCH_STRING=m
+CONFIG_NETFILTER_XT_MATCH_TCPMSS=m
+# CONFIG_NETFILTER_XT_MATCH_TIME is not set
+# CONFIG_NETFILTER_XT_MATCH_U32 is not set
+CONFIG_NETFILTER_XT_MATCH_HASHLIMIT=m
+
+#
+# IP: Netfilter Configuration
+#
+CONFIG_NF_CONNTRACK_IPV4=m
+CONFIG_NF_CONNTRACK_PROC_COMPAT=y
+# CONFIG_IP_NF_QUEUE is not set
+CONFIG_IP_NF_IPTABLES=m
+# CONFIG_IP_NF_MATCH_RECENT is not set
+CONFIG_IP_NF_MATCH_ECN=m
+CONFIG_IP_NF_MATCH_AH=m
+CONFIG_IP_NF_MATCH_TTL=m
+CONFIG_IP_NF_MATCH_ADDRTYPE=m
+CONFIG_IP_NF_FILTER=m
+CONFIG_IP_NF_TARGET_REJECT=m
+CONFIG_IP_NF_TARGET_LOG=m
+CONFIG_IP_NF_TARGET_ULOG=m
+CONFIG_NF_NAT=m
+CONFIG_NF_NAT_NEEDED=y
+CONFIG_IP_NF_TARGET_MASQUERADE=m
+CONFIG_IP_NF_TARGET_REDIRECT=m
+CONFIG_IP_NF_TARGET_NETMAP=m
+CONFIG_NF_NAT_SNMP_BASIC=m
+CONFIG_NF_NAT_PROTO_GRE=m
+CONFIG_NF_NAT_PROTO_SCTP=m
+CONFIG_NF_NAT_FTP=m
+CONFIG_NF_NAT_IRC=m
+CONFIG_NF_NAT_TFTP=m
+# CONFIG_NF_NAT_AMANDA is not set
+CONFIG_NF_NAT_PPTP=m
+CONFIG_NF_NAT_H323=m
+CONFIG_NF_NAT_SIP=m
+CONFIG_IP_NF_MANGLE=m
+CONFIG_IP_NF_TARGET_ECN=m
+CONFIG_IP_NF_TARGET_TTL=m
+CONFIG_IP_NF_TARGET_CLUSTERIP=m
+# CONFIG_IP_NF_RAW is not set
+# CONFIG_IP_NF_ARPTABLES is not set
+
+#
+# IPv6: Netfilter Configuration
+#
+CONFIG_NF_CONNTRACK_IPV6=m
+# CONFIG_IP6_NF_QUEUE is not set
+CONFIG_IP6_NF_IPTABLES=m
+CONFIG_IP6_NF_MATCH_RT=m
+CONFIG_IP6_NF_MATCH_OPTS=m
+CONFIG_IP6_NF_MATCH_FRAG=m
+CONFIG_IP6_NF_MATCH_HL=m
+CONFIG_IP6_NF_MATCH_IPV6HEADER=m
+CONFIG_IP6_NF_MATCH_AH=m
+CONFIG_IP6_NF_MATCH_MH=m
+CONFIG_IP6_NF_MATCH_EUI64=m
+CONFIG_IP6_NF_FILTER=m
+CONFIG_IP6_NF_TARGET_LOG=m
+CONFIG_IP6_NF_TARGET_REJECT=m
+CONFIG_IP6_NF_MANGLE=m
+CONFIG_IP6_NF_TARGET_HL=m
+# CONFIG_IP6_NF_RAW is not set
+# CONFIG_IP_DCCP is not set
+# CONFIG_IP_SCTP is not set
+# CONFIG_TIPC is not set
+# CONFIG_ATM is not set
+# CONFIG_BRIDGE is not set
+# CONFIG_VLAN_8021Q is not set
+# CONFIG_DECNET is not set
+# CONFIG_LLC2 is not set
+# CONFIG_IPX is not set
+# CONFIG_ATALK is not set
+# CONFIG_X25 is not set
+# CONFIG_LAPB is not set
+# CONFIG_ECONET is not set
+# CONFIG_WAN_ROUTER is not set
+CONFIG_NET_SCHED=y
+
+#
+# Queueing/Scheduling
+#
+CONFIG_NET_SCH_CBQ=m
+CONFIG_NET_SCH_HTB=m
+CONFIG_NET_SCH_HFSC=m
+CONFIG_NET_SCH_PRIO=m
+CONFIG_NET_SCH_RED=m
+CONFIG_NET_SCH_SFQ=m
+CONFIG_NET_SCH_TEQL=m
+CONFIG_NET_SCH_TBF=m
+CONFIG_NET_SCH_GRED=m
+CONFIG_NET_SCH_DSMARK=m
+CONFIG_NET_SCH_NETEM=m
+
+#
+# Classification
+#
+CONFIG_NET_CLS=y
+CONFIG_NET_CLS_BASIC=m
+CONFIG_NET_CLS_TCINDEX=m
+CONFIG_NET_CLS_ROUTE4=m
+CONFIG_NET_CLS_ROUTE=y
+CONFIG_NET_CLS_FW=m
+CONFIG_NET_CLS_U32=m
+CONFIG_CLS_U32_PERF=y
+CONFIG_CLS_U32_MARK=y
+CONFIG_NET_CLS_RSVP=m
+CONFIG_NET_CLS_RSVP6=m
+# CONFIG_NET_CLS_FLOW is not set
+# CONFIG_NET_EMATCH is not set
+# CONFIG_NET_CLS_ACT is not set
+# CONFIG_NET_CLS_IND is not set
+CONFIG_NET_SCH_FIFO=y
+
+#
+# Network testing
+#
+# CONFIG_NET_PKTGEN is not set
+# CONFIG_HAMRADIO is not set
+# CONFIG_CAN is not set
+# CONFIG_IRDA is not set
+CONFIG_BT=y
+CONFIG_BT_L2CAP=y
+CONFIG_BT_SCO=y
+CONFIG_BT_RFCOMM=y
+CONFIG_BT_RFCOMM_TTY=y
+CONFIG_BT_BNEP=y
+CONFIG_BT_BNEP_MC_FILTER=y
+CONFIG_BT_BNEP_PROTO_FILTER=y
+CONFIG_BT_HIDP=y
+
+#
+# Bluetooth device drivers
+#
+CONFIG_BT_HCIUSB=y
+CONFIG_BT_HCIUSB_SCO=y
+# CONFIG_BT_HCIBTUSB is not set
+# CONFIG_BT_HCIBTSDIO is not set
+# CONFIG_BT_HCIUART is not set
+# CONFIG_BT_HCIBCM203X is not set
+# CONFIG_BT_HCIBPA10X is not set
+# CONFIG_BT_HCIBFUSB is not set
+# CONFIG_BT_HCIVHCI is not set
+# CONFIG_AF_RXRPC is not set
+CONFIG_FIB_RULES=y
+
+#
+# Wireless
+#
+CONFIG_CFG80211=y
+CONFIG_NL80211=y
+CONFIG_WIRELESS_EXT=y
+CONFIG_WIRELESS_EXT_SYSFS=y
+# CONFIG_MAC80211 is not set
+# CONFIG_IEEE80211 is not set
+# CONFIG_RFKILL is not set
+# CONFIG_NET_9P is not set
+
+#
+# Device Drivers
+#
+
+#
+# Generic Driver Options
+#
+CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
+CONFIG_STANDALONE=y
+CONFIG_PREVENT_FIRMWARE_BUILD=y
+# CONFIG_FW_LOADER is not set
+# CONFIG_DEBUG_DRIVER is not set
+# CONFIG_DEBUG_DEVRES is not set
+# CONFIG_SYS_HYPERVISOR is not set
+# CONFIG_CONNECTOR is not set
+CONFIG_MTD=y
+# CONFIG_MTD_DEBUG is not set
+# CONFIG_MTD_CONCAT is not set
+CONFIG_MTD_PARTITIONS=y
+# CONFIG_MTD_REDBOOT_PARTS is not set
+CONFIG_MTD_CMDLINE_PARTS=y
+# CONFIG_MTD_AFS_PARTS is not set
+# CONFIG_MTD_AR7_PARTS is not set
+
+#
+# User Modules And Translation Layers
+#
+CONFIG_MTD_CHAR=y
+CONFIG_MTD_BLKDEVS=y
+CONFIG_MTD_BLOCK=y
+# CONFIG_FTL is not set
+# CONFIG_NFTL is not set
+# CONFIG_INFTL is not set
+# CONFIG_RFD_FTL is not set
+# CONFIG_SSFDC is not set
+# CONFIG_MTD_OOPS is not set
+
+#
+# RAM/ROM/Flash chip drivers
+#
+CONFIG_MTD_CFI=y
+# CONFIG_MTD_JEDECPROBE is not set
+CONFIG_MTD_GEN_PROBE=y
+# CONFIG_MTD_CFI_ADV_OPTIONS is not set
+CONFIG_MTD_MAP_BANK_WIDTH_1=y
+CONFIG_MTD_MAP_BANK_WIDTH_2=y
+CONFIG_MTD_MAP_BANK_WIDTH_4=y
+# CONFIG_MTD_MAP_BANK_WIDTH_8 is not set
+# CONFIG_MTD_MAP_BANK_WIDTH_16 is not set
+# CONFIG_MTD_MAP_BANK_WIDTH_32 is not set
+CONFIG_MTD_CFI_I1=y
+CONFIG_MTD_CFI_I2=y
+# CONFIG_MTD_CFI_I4 is not set
+# CONFIG_MTD_CFI_I8 is not set
+CONFIG_MTD_CFI_INTELEXT=y
+# CONFIG_MTD_CFI_AMDSTD is not set
+# CONFIG_MTD_CFI_STAA is not set
+CONFIG_MTD_CFI_UTIL=y
+# CONFIG_MTD_RAM is not set
+# CONFIG_MTD_ROM is not set
+CONFIG_MTD_ABSENT=y
+
+#
+# Mapping drivers for chip access
+#
+# CONFIG_MTD_COMPLEX_MAPPINGS is not set
+CONFIG_MTD_PHYSMAP=y
+CONFIG_MTD_PHYSMAP_START=0x8000000
+CONFIG_MTD_PHYSMAP_LEN=0
+CONFIG_MTD_PHYSMAP_BANKWIDTH=2
+# CONFIG_MTD_ARM_INTEGRATOR is not set
+# CONFIG_MTD_PLATRAM is not set
+
+#
+# Self-contained MTD device drivers
+#
+# CONFIG_MTD_DATAFLASH is not set
+# CONFIG_MTD_M25P80 is not set
+# CONFIG_MTD_SLRAM is not set
+# CONFIG_MTD_PHRAM is not set
+# CONFIG_MTD_MTDRAM is not set
+# CONFIG_MTD_BLOCK2MTD is not set
+
+#
+# Disk-On-Chip Device Drivers
+#
+# CONFIG_MTD_DOC2000 is not set
+# CONFIG_MTD_DOC2001 is not set
+# CONFIG_MTD_DOC2001PLUS is not set
+CONFIG_MTD_NAND=y
+CONFIG_MTD_NAND_VERIFY_WRITE=y
+# CONFIG_MTD_NAND_ECC_SMC is not set
+# CONFIG_MTD_NAND_MUSEUM_IDS is not set
+CONFIG_MTD_NAND_IDS=y
+CONFIG_MTD_NAND_S3C2410=y
+# CONFIG_MTD_NAND_S3C2410_DEBUG is not set
+CONFIG_MTD_NAND_S3C2410_HWECC=y
+# CONFIG_MTD_NAND_S3C2410_CLKSTOP is not set
+# CONFIG_MTD_NAND_DISKONCHIP is not set
+# CONFIG_MTD_NAND_NANDSIM is not set
+# CONFIG_MTD_NAND_PLATFORM is not set
+# CONFIG_MTD_ALAUDA is not set
+# CONFIG_MTD_ONENAND is not set
+
+#
+# UBI - Unsorted block images
+#
+# CONFIG_MTD_UBI is not set
+# CONFIG_PARPORT is not set
+CONFIG_PNP=y
+CONFIG_PNP_DEBUG=y
+
+#
+# Protocols
+#
+# CONFIG_PNPACPI is not set
+CONFIG_BLK_DEV=y
+# CONFIG_BLK_DEV_COW_COMMON is not set
+CONFIG_BLK_DEV_LOOP=m
+# CONFIG_BLK_DEV_CRYPTOLOOP is not set
+# CONFIG_BLK_DEV_NBD is not set
+CONFIG_BLK_DEV_UB=m
+CONFIG_BLK_DEV_RAM=y
+CONFIG_BLK_DEV_RAM_COUNT=16
+CONFIG_BLK_DEV_RAM_SIZE=4096
+# CONFIG_BLK_DEV_XIP is not set
+# CONFIG_CDROM_PKTCDVD is not set
+# CONFIG_ATA_OVER_ETH is not set
+CONFIG_MISC_DEVICES=y
+# CONFIG_EEPROM_93CX6 is not set
+CONFIG_LOW_MEMORY_KILLER=y
+# CONFIG_ENCLOSURE_SERVICES is not set
+CONFIG_HAVE_IDE=y
+# CONFIG_IDE is not set
+
+#
+# SCSI device support
+#
+# CONFIG_RAID_ATTRS is not set
+CONFIG_SCSI=m
+CONFIG_SCSI_DMA=y
+# CONFIG_SCSI_TGT is not set
+# CONFIG_SCSI_NETLINK is not set
+CONFIG_SCSI_PROC_FS=y
+
+#
+# SCSI support type (disk, tape, CD-ROM)
+#
+CONFIG_BLK_DEV_SD=m
+# CONFIG_CHR_DEV_ST is not set
+# CONFIG_CHR_DEV_OSST is not set
+CONFIG_BLK_DEV_SR=m
+# CONFIG_BLK_DEV_SR_VENDOR is not set
+CONFIG_CHR_DEV_SG=m
+# CONFIG_CHR_DEV_SCH is not set
+
+#
+# Some SCSI devices (e.g. CD jukebox) support multiple LUNs
+#
+# CONFIG_SCSI_MULTI_LUN is not set
+# CONFIG_SCSI_CONSTANTS is not set
+# CONFIG_SCSI_LOGGING is not set
+CONFIG_SCSI_SCAN_ASYNC=y
+CONFIG_SCSI_WAIT_SCAN=m
+
+#
+# SCSI Transports
+#
+# CONFIG_SCSI_SPI_ATTRS is not set
+# CONFIG_SCSI_FC_ATTRS is not set
+# CONFIG_SCSI_ISCSI_ATTRS is not set
+# CONFIG_SCSI_SAS_LIBSAS is not set
+# CONFIG_SCSI_SRP_ATTRS is not set
+CONFIG_SCSI_LOWLEVEL=y
+# CONFIG_ISCSI_TCP is not set
+# CONFIG_SCSI_DEBUG is not set
+# CONFIG_SCSI_DH is not set
+# CONFIG_ATA is not set
+# CONFIG_MD is not set
+CONFIG_NETDEVICES=y
+# CONFIG_DUMMY is not set
+# CONFIG_BONDING is not set
+# CONFIG_MACVLAN is not set
+# CONFIG_EQUALIZER is not set
+CONFIG_TUN=m
+# CONFIG_VETH is not set
+# CONFIG_NET_SB1000 is not set
+# CONFIG_PHYLIB is not set
+CONFIG_NET_ETHERNET=y
+CONFIG_MII=y
+# CONFIG_AX88796 is not set
+# CONFIG_SMC91X is not set
+# CONFIG_DM9000 is not set
+# CONFIG_ENC28J60 is not set
+# CONFIG_IBM_NEW_EMAC_ZMII is not set
+# CONFIG_IBM_NEW_EMAC_RGMII is not set
+# CONFIG_IBM_NEW_EMAC_TAH is not set
+# CONFIG_IBM_NEW_EMAC_EMAC4 is not set
+# CONFIG_B44 is not set
+# CONFIG_NETDEV_1000 is not set
+# CONFIG_NETDEV_10000 is not set
+
+#
+# Wireless LAN
+#
+# CONFIG_WLAN_PRE80211 is not set
+# CONFIG_WLAN_80211 is not set
+# CONFIG_IWLWIFI_LEDS is not set
+
+#
+# USB Network Adapters
+#
+CONFIG_USB_CATC=m
+CONFIG_USB_KAWETH=m
+CONFIG_USB_PEGASUS=m
+CONFIG_USB_RTL8150=m
+CONFIG_USB_USBNET=y
+CONFIG_USB_NET_AX8817X=m
+CONFIG_USB_NET_CDCETHER=m
+CONFIG_USB_NET_DM9601=m
+CONFIG_USB_NET_GL620A=m
+CONFIG_USB_NET_NET1080=m
+CONFIG_USB_NET_PLUSB=m
+CONFIG_USB_NET_MCS7830=m
+CONFIG_USB_NET_RNDIS_HOST=m
+CONFIG_USB_NET_CDC_SUBSET=m
+CONFIG_USB_ALI_M5632=y
+CONFIG_USB_AN2720=y
+CONFIG_USB_BELKIN=y
+CONFIG_USB_ARMLINUX=y
+CONFIG_USB_EPSON2888=y
+CONFIG_USB_KC2190=y
+CONFIG_USB_NET_ZAURUS=m
+# CONFIG_WAN is not set
+CONFIG_PPP=m
+CONFIG_PPP_MULTILINK=y
+CONFIG_PPP_FILTER=y
+CONFIG_PPP_ASYNC=m
+CONFIG_PPP_SYNC_TTY=m
+CONFIG_PPP_DEFLATE=m
+CONFIG_PPP_BSDCOMP=m
+CONFIG_PPP_MPPE=m
+# CONFIG_PPPOE is not set
+# CONFIG_PPPOL2TP is not set
+# CONFIG_SLIP is not set
+CONFIG_SLHC=m
+# CONFIG_NETCONSOLE is not set
+# CONFIG_NETPOLL is not set
+# CONFIG_NET_POLL_CONTROLLER is not set
+# CONFIG_ISDN is not set
+
+#
+# Input device support
+#
+CONFIG_INPUT=y
+# CONFIG_INPUT_FF_MEMLESS is not set
+# CONFIG_INPUT_POLLDEV is not set
+
+#
+# Userland interfaces
+#
+CONFIG_INPUT_MOUSEDEV=y
+# CONFIG_INPUT_MOUSEDEV_PSAUX is not set
+CONFIG_INPUT_MOUSEDEV_SCREEN_X=480
+CONFIG_INPUT_MOUSEDEV_SCREEN_Y=640
+# CONFIG_INPUT_JOYDEV is not set
+CONFIG_INPUT_EVDEV=y
+# CONFIG_INPUT_EVBUG is not set
+# CONFIG_INPUT_APMPOWER is not set
+
+#
+# Input Device Drivers
+#
+CONFIG_INPUT_KEYBOARD=y
+# CONFIG_KEYBOARD_ATKBD is not set
+# CONFIG_KEYBOARD_SUNKBD is not set
+# CONFIG_KEYBOARD_LKKBD is not set
+# CONFIG_KEYBOARD_XTKBD is not set
+# CONFIG_KEYBOARD_NEWTON is not set
+CONFIG_KEYBOARD_STOWAWAY=m
+CONFIG_KEYBOARD_GPIO=m
+CONFIG_KEYBOARD_NEO1973=y
+CONFIG_INPUT_MOUSE=y
+# CONFIG_MOUSE_PS2 is not set
+# CONFIG_MOUSE_SERIAL is not set
+# CONFIG_MOUSE_APPLETOUCH is not set
+# CONFIG_MOUSE_BCM5974 is not set
+# CONFIG_MOUSE_VSXXXAA is not set
+# CONFIG_MOUSE_GPIO is not set
+# CONFIG_INPUT_JOYSTICK is not set
+# CONFIG_INPUT_TABLET is not set
+CONFIG_INPUT_TOUCHSCREEN=y
+CONFIG_TOUCHSCREEN_FILTER=y
+CONFIG_TOUCHSCREEN_FILTER_MEDIAN=y
+CONFIG_TOUCHSCREEN_FILTER_MEAN=y
+# CONFIG_TOUCHSCREEN_ADS7846 is not set
+# CONFIG_TOUCHSCREEN_FUJITSU is not set
+CONFIG_TOUCHSCREEN_S3C2410=y
+# CONFIG_TOUCHSCREEN_S3C2410_DEBUG is not set
+# CONFIG_TOUCHSCREEN_GUNZE is not set
+# CONFIG_TOUCHSCREEN_ELO is not set
+# CONFIG_TOUCHSCREEN_MTOUCH is not set
+# CONFIG_TOUCHSCREEN_INEXIO is not set
+# CONFIG_TOUCHSCREEN_MK712 is not set
+# CONFIG_TOUCHSCREEN_PENMOUNT is not set
+# CONFIG_TOUCHSCREEN_TOUCHRIGHT is not set
+# CONFIG_TOUCHSCREEN_TOUCHWIN is not set
+# CONFIG_TOUCHSCREEN_UCB1400 is not set
+# CONFIG_TOUCHSCREEN_USB_COMPOSITE is not set
+# CONFIG_TOUCHSCREEN_TOUCHIT213 is not set
+CONFIG_INPUT_MISC=y
+# CONFIG_INPUT_ATI_REMOTE is not set
+# CONFIG_INPUT_ATI_REMOTE2 is not set
+# CONFIG_INPUT_KEYSPAN_REMOTE is not set
+# CONFIG_INPUT_POWERMATE is not set
+# CONFIG_INPUT_YEALINK is not set
+# CONFIG_INPUT_UINPUT is not set
+CONFIG_INPUT_LIS302DL=y
+
+#
+# Hardware I/O ports
+#
+CONFIG_SERIO=y
+# CONFIG_SERIO_SERPORT is not set
+# CONFIG_SERIO_LIBPS2 is not set
+# CONFIG_SERIO_RAW is not set
+# CONFIG_GAMEPORT is not set
+
+#
+# Character devices
+#
+CONFIG_VT=y
+CONFIG_CONSOLE_TRANSLATIONS=y
+CONFIG_VT_CONSOLE=y
+CONFIG_NR_TTY_DEVICES=4
+CONFIG_HW_CONSOLE=y
+CONFIG_VT_HW_CONSOLE_BINDING=y
+CONFIG_DEVKMEM=y
+# CONFIG_SERIAL_NONSTANDARD is not set
+
+#
+# Serial drivers
+#
+# CONFIG_SERIAL_8250 is not set
+
+#
+# Non-8250 serial port support
+#
+CONFIG_SERIAL_SAMSUNG=y
+# CONFIG_SERIAL_SAMSUNG_DEBUG is not set
+CONFIG_SERIAL_SAMSUNG_CONSOLE=y
+CONFIG_SERIAL_S3C2410=y
+CONFIG_SERIAL_S3C2440=y
+CONFIG_SERIAL_CORE=y
+CONFIG_SERIAL_CORE_CONSOLE=y
+CONFIG_UNIX98_PTYS=y
+# CONFIG_LEGACY_PTYS is not set
+# CONFIG_IPMI_HANDLER is not set
+# CONFIG_HW_RANDOM is not set
+# CONFIG_NVRAM is not set
+# CONFIG_R3964 is not set
+# CONFIG_RAW_DRIVER is not set
+# CONFIG_TCG_TPM is not set
+CONFIG_I2C=y
+CONFIG_I2C_BOARDINFO=y
+CONFIG_I2C_CHARDEV=y
+CONFIG_I2C_HELPER_AUTO=y
+
+#
+# I2C Hardware Bus support
+#
+
+#
+# I2C system bus drivers (mostly embedded / system-on-chip)
+#
+# CONFIG_I2C_GPIO is not set
+# CONFIG_I2C_OCORES is not set
+CONFIG_I2C_S3C2410=y
+# CONFIG_I2C_SIMTEC is not set
+
+#
+# External I2C/SMBus adapter drivers
+#
+# CONFIG_I2C_PARPORT_LIGHT is not set
+# CONFIG_I2C_TAOS_EVM is not set
+# CONFIG_I2C_TINY_USB is not set
+
+#
+# Other I2C/SMBus bus drivers
+#
+# CONFIG_I2C_PCA_PLATFORM is not set
+# CONFIG_I2C_STUB is not set
+
+#
+# Miscellaneous I2C Chip support
+#
+# CONFIG_DS1682 is not set
+# CONFIG_AT24 is not set
+# CONFIG_SENSORS_EEPROM is not set
+CONFIG_SENSORS_PCF50606=y
+CONFIG_SENSORS_PCF50633=y
+# CONFIG_SENSORS_PCF8574 is not set
+# CONFIG_PCF8575 is not set
+# CONFIG_SENSORS_PCA9539 is not set
+# CONFIG_SENSORS_PCF8591 is not set
+# CONFIG_TPS65010 is not set
+# CONFIG_SENSORS_MAX6875 is not set
+# CONFIG_SENSORS_TSL2550 is not set
+# CONFIG_SENSORS_TSL256X is not set
+# CONFIG_PCA9632 is not set
+# CONFIG_I2C_DEBUG_CORE is not set
+# CONFIG_I2C_DEBUG_ALGO is not set
+# CONFIG_I2C_DEBUG_BUS is not set
+# CONFIG_I2C_DEBUG_CHIP is not set
+CONFIG_SPI=y
+# CONFIG_SPI_DEBUG is not set
+CONFIG_SPI_MASTER=y
+
+#
+# SPI Master Controller Drivers
+#
+CONFIG_SPI_BITBANG=y
+CONFIG_SPI_S3C24XX=y
+CONFIG_SPI_S3C24XX_GPIO=y
+
+#
+# SPI Protocol Masters
+#
+# CONFIG_SPI_AT25 is not set
+# CONFIG_SPI_SPIDEV is not set
+# CONFIG_SPI_TLE62X0 is not set
+CONFIG_ARCH_REQUIRE_GPIOLIB=y
+CONFIG_GPIOLIB=y
+# CONFIG_DEBUG_GPIO is not set
+# CONFIG_GPIO_SYSFS is not set
+
+#
+# I2C GPIO expanders:
+#
+# CONFIG_GPIO_MAX732X is not set
+# CONFIG_GPIO_PCA953X is not set
+# CONFIG_GPIO_PCF857X is not set
+
+#
+# PCI GPIO expanders:
+#
+
+#
+# SPI GPIO expanders:
+#
+# CONFIG_GPIO_MAX7301 is not set
+# CONFIG_GPIO_MCP23S08 is not set
+# CONFIG_W1 is not set
+CONFIG_POWER_SUPPLY=y
+# CONFIG_POWER_SUPPLY_DEBUG is not set
+# CONFIG_PDA_POWER is not set
+# CONFIG_APM_POWER is not set
+# CONFIG_BATTERY_DS2760 is not set
+CONFIG_BATTERY_BQ27000_HDQ=y
+CONFIG_GTA02_HDQ=y
+# CONFIG_HWMON is not set
+# CONFIG_WATCHDOG is not set
+
+#
+# Sonics Silicon Backplane
+#
+CONFIG_SSB_POSSIBLE=y
+# CONFIG_SSB is not set
+
+#
+# Multifunction device drivers
+#
+# CONFIG_MFD_CORE is not set
+# CONFIG_MFD_SM501 is not set
+# CONFIG_MFD_ASIC3 is not set
+# CONFIG_HTC_EGPIO is not set
+# CONFIG_HTC_PASIC3 is not set
+# CONFIG_MFD_TMIO is not set
+# CONFIG_MFD_T7L66XB is not set
+# CONFIG_MFD_TC6387XB is not set
+# CONFIG_MFD_TC6393XB is not set
+CONFIG_MFD_GLAMO=y
+CONFIG_MFD_GLAMO_FB=y
+CONFIG_MFD_GLAMO_SPI_GPIO=y
+CONFIG_MFD_GLAMO_SPI_FB=y
+CONFIG_MFD_GLAMO_MCI=y
+
+#
+# Multimedia devices
+#
+
+#
+# Multimedia core support
+#
+# CONFIG_VIDEO_DEV is not set
+# CONFIG_DVB_CORE is not set
+# CONFIG_VIDEO_MEDIA is not set
+
+#
+# Multimedia drivers
+#
+CONFIG_DAB=y
+# CONFIG_USB_DABUSB is not set
+
+#
+# Graphics support
+#
+# CONFIG_VGASTATE is not set
+CONFIG_VIDEO_OUTPUT_CONTROL=y
+CONFIG_FB=y
+# CONFIG_FIRMWARE_EDID is not set
+# CONFIG_FB_DDC is not set
+CONFIG_FB_CFB_FILLRECT=y
+CONFIG_FB_CFB_COPYAREA=y
+CONFIG_FB_CFB_IMAGEBLIT=y
+# CONFIG_FB_CFB_REV_PIXELS_IN_BYTE is not set
+# CONFIG_FB_SYS_FILLRECT is not set
+# CONFIG_FB_SYS_COPYAREA is not set
+# CONFIG_FB_SYS_IMAGEBLIT is not set
+# CONFIG_FB_FOREIGN_ENDIAN is not set
+# CONFIG_FB_SYS_FOPS is not set
+# CONFIG_FB_SVGALIB is not set
+# CONFIG_FB_MACMODES is not set
+# CONFIG_FB_BACKLIGHT is not set
+# CONFIG_FB_MODE_HELPERS is not set
+# CONFIG_FB_TILEBLITTING is not set
+
+#
+# Frame buffer hardware drivers
+#
+# CONFIG_FB_S1D13XXX is not set
+CONFIG_FB_S3C2410=y
+# CONFIG_FB_S3C2410_DEBUG is not set
+# CONFIG_FB_VIRTUAL is not set
+CONFIG_BACKLIGHT_LCD_SUPPORT=y
+CONFIG_LCD_CLASS_DEVICE=y
+# CONFIG_LCD_LTV350QV is not set
+# CONFIG_LCD_ILI9320 is not set
+# CONFIG_LCD_VGG2432A4 is not set
+# CONFIG_LCD_PLATFORM is not set
+CONFIG_BACKLIGHT_CLASS_DEVICE=y
+# CONFIG_BACKLIGHT_CORGI is not set
+CONFIG_BACKLIGHT_GTA01=y
+# CONFIG_BACKLIGHT_PWM is not set
+
+#
+# Display device support
+#
+# CONFIG_DISPLAY_SUPPORT is not set
+CONFIG_DISPLAY_JBT6K74=y
+
+#
+# Console display driver support
+#
+# CONFIG_VGA_CONSOLE is not set
+CONFIG_DUMMY_CONSOLE=y
+# CONFIG_FRAMEBUFFER_CONSOLE is not set
+CONFIG_LOGO=y
+# CONFIG_LOGO_LINUX_MONO is not set
+# CONFIG_LOGO_LINUX_VGA16 is not set
+# CONFIG_LOGO_LINUX_CLUT224 is not set
+CONFIG_LOGO_OPENMOKO_CLUT224=y
+CONFIG_SOUND=y
+CONFIG_SND=y
+CONFIG_SND_TIMER=y
+CONFIG_SND_PCM=y
+# CONFIG_SND_SEQUENCER is not set
+# CONFIG_SND_MIXER_OSS is not set
+# CONFIG_SND_PCM_OSS is not set
+# CONFIG_SND_DYNAMIC_MINORS is not set
+# CONFIG_SND_SUPPORT_OLD_API is not set
+CONFIG_SND_VERBOSE_PROCFS=y
+# CONFIG_SND_VERBOSE_PRINTK is not set
+# CONFIG_SND_DEBUG is not set
+CONFIG_SND_DRIVERS=y
+# CONFIG_SND_DUMMY is not set
+# CONFIG_SND_MTPAV is not set
+# CONFIG_SND_SERIAL_U16550 is not set
+# CONFIG_SND_MPU401 is not set
+CONFIG_SND_ARM=y
+CONFIG_SND_SPI=y
+CONFIG_SND_USB=y
+# CONFIG_SND_USB_AUDIO is not set
+# CONFIG_SND_USB_CAIAQ is not set
+CONFIG_SND_SOC=y
+CONFIG_SND_S3C24XX_SOC=y
+CONFIG_SND_S3C24XX_SOC_I2S=y
+# CONFIG_SND_S3C24XX_SOC_NEO1973_WM8753 is not set
+CONFIG_SND_S3C24XX_SOC_NEO1973_GTA02_WM8753=y
+# CONFIG_SND_S3C24XX_SOC_LN2440SBC_ALC650 is not set
+CONFIG_SND_SOC_WM8753=y
+# CONFIG_SOUND_PRIME is not set
+CONFIG_HID_SUPPORT=y
+CONFIG_HID=y
+# CONFIG_HID_DEBUG is not set
+# CONFIG_HIDRAW is not set
+
+#
+# USB Input Devices
+#
+CONFIG_USB_HID=m
+# CONFIG_USB_HIDINPUT_POWERBOOK is not set
+# CONFIG_HID_FF is not set
+# CONFIG_USB_HIDDEV is not set
+
+#
+# USB HID Boot Protocol drivers
+#
+# CONFIG_USB_KBD is not set
+# CONFIG_USB_MOUSE is not set
+CONFIG_USB_SUPPORT=y
+CONFIG_USB_ARCH_HAS_HCD=y
+CONFIG_USB_ARCH_HAS_OHCI=y
+# CONFIG_USB_ARCH_HAS_EHCI is not set
+CONFIG_USB=y
+# CONFIG_USB_DEBUG is not set
+# CONFIG_USB_ANNOUNCE_NEW_DEVICES is not set
+
+#
+# Miscellaneous USB options
+#
+CONFIG_USB_DEVICEFS=y
+CONFIG_USB_DEVICE_CLASS=y
+# CONFIG_USB_DYNAMIC_MINORS is not set
+CONFIG_USB_SUSPEND=y
+# CONFIG_USB_OTG is not set
+# CONFIG_USB_OTG_WHITELIST is not set
+# CONFIG_USB_OTG_BLACKLIST_HUB is not set
+# CONFIG_USB_MON is not set
+
+#
+# USB Host Controller Drivers
+#
+# CONFIG_USB_C67X00_HCD is not set
+# CONFIG_USB_ISP116X_HCD is not set
+# CONFIG_USB_ISP1760_HCD is not set
+CONFIG_USB_OHCI_HCD=y
+# CONFIG_USB_OHCI_BIG_ENDIAN_DESC is not set
+# CONFIG_USB_OHCI_BIG_ENDIAN_MMIO is not set
+CONFIG_USB_OHCI_LITTLE_ENDIAN=y
+# CONFIG_USB_SL811_HCD is not set
+# CONFIG_USB_R8A66597_HCD is not set
+# CONFIG_USB_MUSB_HDRC is not set
+# CONFIG_USB_GADGET_MUSB_HDRC is not set
+
+#
+# USB Device Class drivers
+#
+# CONFIG_USB_ACM is not set
+# CONFIG_USB_PRINTER is not set
+# CONFIG_USB_WDM is not set
+
+#
+# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support'
+#
+
+#
+# may also be needed; see USB_STORAGE Help for more information
+#
+# CONFIG_USB_STORAGE is not set
+# CONFIG_USB_LIBUSUAL is not set
+
+#
+# USB Imaging devices
+#
+# CONFIG_USB_MDC800 is not set
+# CONFIG_USB_MICROTEK is not set
+
+#
+# USB port drivers
+#
+# CONFIG_USB_SERIAL is not set
+
+#
+# USB Miscellaneous drivers
+#
+# CONFIG_USB_EMI62 is not set
+# CONFIG_USB_EMI26 is not set
+# CONFIG_USB_ADUTUX is not set
+# CONFIG_USB_RIO500 is not set
+# CONFIG_USB_LEGOTOWER is not set
+# CONFIG_USB_LCD is not set
+# CONFIG_USB_BERRY_CHARGE is not set
+# CONFIG_USB_LED is not set
+# CONFIG_USB_CYPRESS_CY7C63 is not set
+# CONFIG_USB_CYTHERM is not set
+# CONFIG_USB_PHIDGET is not set
+# CONFIG_USB_IDMOUSE is not set
+# CONFIG_USB_FTDI_ELAN is not set
+# CONFIG_USB_APPLEDISPLAY is not set
+# CONFIG_USB_LD is not set
+# CONFIG_USB_TRANCEVIBRATOR is not set
+# CONFIG_USB_IOWARRIOR is not set
+# CONFIG_USB_TEST is not set
+# CONFIG_USB_ISIGHTFW is not set
+CONFIG_USB_GADGET=y
+# CONFIG_USB_GADGET_DEBUG is not set
+# CONFIG_USB_GADGET_DEBUG_FILES is not set
+CONFIG_USB_GADGET_SELECTED=y
+# CONFIG_USB_GADGET_AMD5536UDC is not set
+# CONFIG_USB_GADGET_ATMEL_USBA is not set
+# CONFIG_USB_GADGET_FSL_USB2 is not set
+# CONFIG_USB_GADGET_NET2280 is not set
+# CONFIG_USB_GADGET_PXA25X is not set
+# CONFIG_USB_GADGET_M66592 is not set
+# CONFIG_USB_GADGET_PXA27X is not set
+# CONFIG_USB_GADGET_GOKU is not set
+# CONFIG_USB_GADGET_LH7A40X is not set
+# CONFIG_USB_GADGET_OMAP is not set
+CONFIG_USB_GADGET_S3C2410=y
+CONFIG_USB_S3C2410=y
+# CONFIG_USB_S3C2410_DEBUG is not set
+# CONFIG_USB_GADGET_AT91 is not set
+# CONFIG_USB_GADGET_DUMMY_HCD is not set
+# CONFIG_USB_GADGET_DUALSPEED is not set
+# CONFIG_USB_ZERO is not set
+CONFIG_USB_ETH=y
+# CONFIG_USB_ETH_RNDIS is not set
+# CONFIG_USB_GADGETFS is not set
+# CONFIG_USB_FILE_STORAGE is not set
+# CONFIG_USB_G_SERIAL is not set
+# CONFIG_USB_MIDI_GADGET is not set
+# CONFIG_USB_G_PRINTER is not set
+# CONFIG_USB_CDC_COMPOSITE is not set
+
+#
+# SDIO support
+#
+CONFIG_SDIO=y
+CONFIG_SDIO_S3C24XX=y
+CONFIG_SDIO_S3C24XX_DMA=y
+CONFIG_SDIO_AR6000_WLAN=y
+CONFIG_MMC=y
+# CONFIG_MMC_DEBUG is not set
+CONFIG_MMC_UNSAFE_RESUME=y
+
+#
+# MMC/SD Card Drivers
+#
+CONFIG_MMC_BLOCK=y
+CONFIG_MMC_BLOCK_BOUNCE=y
+# CONFIG_SDIO_UART is not set
+# CONFIG_MMC_TEST is not set
+
+#
+# MMC/SD Host Controller Drivers
+#
+# CONFIG_MMC_SDHCI is not set
+# CONFIG_MMC_SPI is not set
+# CONFIG_MMC_S3C is not set
+CONFIG_NEW_LEDS=y
+CONFIG_LEDS_CLASS=y
+
+#
+# LED drivers
+#
+# CONFIG_LEDS_S3C24XX is not set
+# CONFIG_LEDS_PCA9532 is not set
+# CONFIG_LEDS_GPIO is not set
+# CONFIG_LEDS_PCA955X is not set
+CONFIG_LEDS_NEO1973_VIBRATOR=y
+CONFIG_LEDS_NEO1973_GTA02=y
+
+#
+# LED Triggers
+#
+CONFIG_LEDS_TRIGGERS=y
+CONFIG_LEDS_TRIGGER_TIMER=y
+# CONFIG_LEDS_TRIGGER_HEARTBEAT is not set
+# CONFIG_LEDS_TRIGGER_DEFAULT_ON is not set
+CONFIG_RTC_LIB=y
+CONFIG_RTC_CLASS=y
+CONFIG_RTC_HCTOSYS=y
+CONFIG_RTC_HCTOSYS_DEVICE="rtc0"
+CONFIG_RTC_DEBUG=y
+
+#
+# RTC interfaces
+#
+CONFIG_RTC_INTF_SYSFS=y
+CONFIG_RTC_INTF_PROC=y
+CONFIG_RTC_INTF_DEV=y
+# CONFIG_RTC_INTF_DEV_UIE_EMUL is not set
+# CONFIG_RTC_DRV_TEST is not set
+
+#
+# I2C RTC drivers
+#
+# CONFIG_RTC_DRV_DS1307 is not set
+# CONFIG_RTC_DRV_DS1374 is not set
+# CONFIG_RTC_DRV_DS1672 is not set
+# CONFIG_RTC_DRV_MAX6900 is not set
+# CONFIG_RTC_DRV_RS5C372 is not set
+# CONFIG_RTC_DRV_ISL1208 is not set
+# CONFIG_RTC_DRV_X1205 is not set
+# CONFIG_RTC_DRV_PCF8563 is not set
+# CONFIG_RTC_DRV_PCF8583 is not set
+# CONFIG_RTC_DRV_M41T80 is not set
+# CONFIG_RTC_DRV_S35390A is not set
+# CONFIG_RTC_DRV_FM3130 is not set
+
+#
+# SPI RTC drivers
+#
+# CONFIG_RTC_DRV_M41T94 is not set
+# CONFIG_RTC_DRV_DS1305 is not set
+# CONFIG_RTC_DRV_MAX6902 is not set
+# CONFIG_RTC_DRV_R9701 is not set
+# CONFIG_RTC_DRV_RS5C348 is not set
+
+#
+# Platform RTC drivers
+#
+# CONFIG_RTC_DRV_CMOS is not set
+# CONFIG_RTC_DRV_DS1511 is not set
+# CONFIG_RTC_DRV_DS1553 is not set
+# CONFIG_RTC_DRV_DS1742 is not set
+# CONFIG_RTC_DRV_STK17TA8 is not set
+# CONFIG_RTC_DRV_M48T86 is not set
+# CONFIG_RTC_DRV_M48T59 is not set
+# CONFIG_RTC_DRV_V3020 is not set
+
+#
+# on-CPU RTC drivers
+#
+CONFIG_RTC_DRV_S3C=m
+# CONFIG_DMADEVICES is not set
+
+#
+# Android
+#
+CONFIG_ANDROID_BINDER_IPC=y
+CONFIG_ANDROID_POWER=y
+CONFIG_ANDROID_POWER_STAT=y
+CONFIG_ANDROID_POWER_ALARM=y
+CONFIG_ANDROID_LOGGER=y
+# CONFIG_ANDROID_RAM_CONSOLE is not set
+# CONFIG_ANDROID_TIMED_GPIO is not set
+# CONFIG_ANDROID_PARANOID_NETWORK is not set
+
+#
+# Voltage and Current regulators
+#
+CONFIG_REGULATOR=y
+# CONFIG_REGULATOR_DEBUG is not set
+# CONFIG_REGULATOR_FIXED_VOLTAGE is not set
+# CONFIG_REGULATOR_VIRTUAL_CONSUMER is not set
+# CONFIG_REGULATOR_BQ24022 is not set
+CONFIG_REGULATOR_PCF50633=y
+# CONFIG_UIO is not set
+
+#
+# File systems
+#
+CONFIG_EXT2_FS=m
+# CONFIG_EXT2_FS_XATTR is not set
+# CONFIG_EXT2_FS_XIP is not set
+CONFIG_EXT3_FS=y
+# CONFIG_EXT3_FS_XATTR is not set
+# CONFIG_EXT4DEV_FS is not set
+CONFIG_JBD=y
+# CONFIG_REISERFS_FS is not set
+# CONFIG_JFS_FS is not set
+# CONFIG_FS_POSIX_ACL is not set
+# CONFIG_XFS_FS is not set
+# CONFIG_OCFS2_FS is not set
+CONFIG_DNOTIFY=y
+CONFIG_INOTIFY=y
+CONFIG_INOTIFY_USER=y
+# CONFIG_QUOTA is not set
+# CONFIG_AUTOFS_FS is not set
+CONFIG_AUTOFS4_FS=m
+CONFIG_FUSE_FS=m
+
+#
+# CD-ROM/DVD Filesystems
+#
+CONFIG_ISO9660_FS=m
+CONFIG_JOLIET=y
+# CONFIG_ZISOFS is not set
+# CONFIG_UDF_FS is not set
+
+#
+# DOS/FAT/NT Filesystems
+#
+CONFIG_FAT_FS=y
+CONFIG_MSDOS_FS=y
+CONFIG_VFAT_FS=y
+CONFIG_FAT_DEFAULT_CODEPAGE=437
+CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1"
+# CONFIG_NTFS_FS is not set
+
+#
+# Pseudo filesystems
+#
+CONFIG_PROC_FS=y
+CONFIG_PROC_SYSCTL=y
+CONFIG_SYSFS=y
+CONFIG_TMPFS=y
+# CONFIG_TMPFS_POSIX_ACL is not set
+# CONFIG_HUGETLB_PAGE is not set
+CONFIG_CONFIGFS_FS=m
+
+#
+# Miscellaneous filesystems
+#
+# CONFIG_ADFS_FS is not set
+# CONFIG_AFFS_FS is not set
+# CONFIG_HFS_FS is not set
+# CONFIG_HFSPLUS_FS is not set
+# CONFIG_BEFS_FS is not set
+# CONFIG_BFS_FS is not set
+# CONFIG_EFS_FS is not set
+CONFIG_JFFS2_FS=y
+CONFIG_JFFS2_FS_DEBUG=0
+CONFIG_JFFS2_FS_WRITEBUFFER=y
+# CONFIG_JFFS2_FS_WBUF_VERIFY is not set
+CONFIG_JFFS2_SUMMARY=y
+# CONFIG_JFFS2_FS_XATTR is not set
+# CONFIG_JFFS2_COMPRESSION_OPTIONS is not set
+CONFIG_JFFS2_ZLIB=y
+# CONFIG_JFFS2_LZO is not set
+CONFIG_JFFS2_RTIME=y
+# CONFIG_JFFS2_RUBIN is not set
+CONFIG_CRAMFS=y
+# CONFIG_VXFS_FS is not set
+# CONFIG_MINIX_FS is not set
+# CONFIG_OMFS_FS is not set
+# CONFIG_HPFS_FS is not set
+# CONFIG_QNX4FS_FS is not set
+CONFIG_ROMFS_FS=y
+# CONFIG_SYSV_FS is not set
+# CONFIG_UFS_FS is not set
+CONFIG_NETWORK_FILESYSTEMS=y
+CONFIG_NFS_FS=y
+CONFIG_NFS_V3=y
+# CONFIG_NFS_V3_ACL is not set
+CONFIG_NFS_V4=y
+CONFIG_ROOT_NFS=y
+# CONFIG_NFSD is not set
+CONFIG_LOCKD=y
+CONFIG_LOCKD_V4=y
+CONFIG_NFS_COMMON=y
+CONFIG_SUNRPC=y
+CONFIG_SUNRPC_GSS=y
+CONFIG_RPCSEC_GSS_KRB5=y
+# CONFIG_RPCSEC_GSS_SPKM3 is not set
+# CONFIG_SMB_FS is not set
+# CONFIG_CIFS is not set
+# CONFIG_NCP_FS is not set
+# CONFIG_CODA_FS is not set
+# CONFIG_AFS_FS is not set
+
+#
+# Partition Types
+#
+# CONFIG_PARTITION_ADVANCED is not set
+CONFIG_MSDOS_PARTITION=y
+CONFIG_NLS=y
+CONFIG_NLS_DEFAULT="iso8859-1"
+CONFIG_NLS_CODEPAGE_437=y
+# CONFIG_NLS_CODEPAGE_737 is not set
+# CONFIG_NLS_CODEPAGE_775 is not set
+CONFIG_NLS_CODEPAGE_850=m
+# CONFIG_NLS_CODEPAGE_852 is not set
+# CONFIG_NLS_CODEPAGE_855 is not set
+# CONFIG_NLS_CODEPAGE_857 is not set
+# CONFIG_NLS_CODEPAGE_860 is not set
+# CONFIG_NLS_CODEPAGE_861 is not set
+# CONFIG_NLS_CODEPAGE_862 is not set
+# CONFIG_NLS_CODEPAGE_863 is not set
+# CONFIG_NLS_CODEPAGE_864 is not set
+# CONFIG_NLS_CODEPAGE_865 is not set
+# CONFIG_NLS_CODEPAGE_866 is not set
+# CONFIG_NLS_CODEPAGE_869 is not set
+CONFIG_NLS_CODEPAGE_936=m
+CONFIG_NLS_CODEPAGE_950=m
+# CONFIG_NLS_CODEPAGE_932 is not set
+# CONFIG_NLS_CODEPAGE_949 is not set
+# CONFIG_NLS_CODEPAGE_874 is not set
+# CONFIG_NLS_ISO8859_8 is not set
+# CONFIG_NLS_CODEPAGE_1250 is not set
+# CONFIG_NLS_CODEPAGE_1251 is not set
+# CONFIG_NLS_ASCII is not set
+CONFIG_NLS_ISO8859_1=y
+# CONFIG_NLS_ISO8859_2 is not set
+# CONFIG_NLS_ISO8859_3 is not set
+# CONFIG_NLS_ISO8859_4 is not set
+# CONFIG_NLS_ISO8859_5 is not set
+# CONFIG_NLS_ISO8859_6 is not set
+# CONFIG_NLS_ISO8859_7 is not set
+# CONFIG_NLS_ISO8859_9 is not set
+# CONFIG_NLS_ISO8859_13 is not set
+# CONFIG_NLS_ISO8859_14 is not set
+# CONFIG_NLS_ISO8859_15 is not set
+# CONFIG_NLS_KOI8_R is not set
+# CONFIG_NLS_KOI8_U is not set
+CONFIG_NLS_UTF8=y
+# CONFIG_DLM is not set
+
+#
+# Kernel hacking
+#
+# CONFIG_PRINTK_TIME is not set
+CONFIG_ENABLE_WARN_DEPRECATED=y
+CONFIG_ENABLE_MUST_CHECK=y
+CONFIG_FRAME_WARN=1024
+CONFIG_MAGIC_SYSRQ=y
+# CONFIG_UNUSED_SYMBOLS is not set
+# CONFIG_DEBUG_FS is not set
+# CONFIG_HEADERS_CHECK is not set
+CONFIG_DEBUG_KERNEL=y
+# CONFIG_DEBUG_SHIRQ is not set
+CONFIG_DETECT_SOFTLOCKUP=y
+# CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC is not set
+CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC_VALUE=0
+# CONFIG_SCHED_DEBUG is not set
+# CONFIG_SCHEDSTATS is not set
+CONFIG_TIMER_STATS=y
+# CONFIG_DEBUG_OBJECTS is not set
+# CONFIG_DEBUG_SLAB is not set
+CONFIG_DEBUG_PREEMPT=y
+# CONFIG_DEBUG_RT_MUTEXES is not set
+# CONFIG_RT_MUTEX_TESTER is not set
+# CONFIG_DEBUG_SPINLOCK is not set
+# CONFIG_DEBUG_MUTEXES is not set
+# CONFIG_DEBUG_LOCK_ALLOC is not set
+# CONFIG_PROVE_LOCKING is not set
+# CONFIG_LOCK_STAT is not set
+# CONFIG_DEBUG_SPINLOCK_SLEEP is not set
+# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set
+# CONFIG_DEBUG_KOBJECT is not set
+# CONFIG_DEBUG_BUGVERBOSE is not set
+# CONFIG_DEBUG_INFO is not set
+# CONFIG_DEBUG_VM is not set
+# CONFIG_DEBUG_WRITECOUNT is not set
+# CONFIG_DEBUG_MEMORY_INIT is not set
+# CONFIG_DEBUG_LIST is not set
+# CONFIG_DEBUG_SG is not set
+CONFIG_FRAME_POINTER=y
+# CONFIG_BOOT_PRINTK_DELAY is not set
+# CONFIG_RCU_TORTURE_TEST is not set
+# CONFIG_BACKTRACE_SELF_TEST is not set
+# CONFIG_FAULT_INJECTION is not set
+# CONFIG_LATENCYTOP is not set
+CONFIG_SYSCTL_SYSCALL_CHECK=y
+CONFIG_HAVE_FTRACE=y
+CONFIG_HAVE_DYNAMIC_FTRACE=y
+# CONFIG_FTRACE is not set
+# CONFIG_SCHED_TRACER is not set
+# CONFIG_CONTEXT_SWITCH_TRACER is not set
+# CONFIG_SAMPLES is not set
+CONFIG_HAVE_ARCH_KGDB=y
+# CONFIG_KGDB is not set
+# CONFIG_DEBUG_USER is not set
+CONFIG_DEBUG_ERRORS=y
+# CONFIG_DEBUG_STACK_USAGE is not set
+CONFIG_DEBUG_LL=y
+# CONFIG_DEBUG_ICEDCC is not set
+CONFIG_DEBUG_S3C_PORT=y
+CONFIG_DEBUG_S3C_UART=2
+
+#
+# Security options
+#
+# CONFIG_KEYS is not set
+# CONFIG_SECURITY is not set
+# CONFIG_SECURITY_FILE_CAPABILITIES is not set
+CONFIG_CRYPTO=y
+
+#
+# Crypto core or helper
+#
+CONFIG_CRYPTO_ALGAPI=y
+CONFIG_CRYPTO_AEAD=m
+CONFIG_CRYPTO_BLKCIPHER=y
+CONFIG_CRYPTO_HASH=y
+CONFIG_CRYPTO_MANAGER=y
+CONFIG_CRYPTO_GF128MUL=m
+CONFIG_CRYPTO_NULL=m
+# CONFIG_CRYPTO_CRYPTD is not set
+CONFIG_CRYPTO_AUTHENC=m
+CONFIG_CRYPTO_TEST=m
+
+#
+# Authenticated Encryption with Associated Data
+#
+# CONFIG_CRYPTO_CCM is not set
+# CONFIG_CRYPTO_GCM is not set
+# CONFIG_CRYPTO_SEQIV is not set
+
+#
+# Block modes
+#
+CONFIG_CRYPTO_CBC=y
+# CONFIG_CRYPTO_CTR is not set
+# CONFIG_CRYPTO_CTS is not set
+CONFIG_CRYPTO_ECB=m
+CONFIG_CRYPTO_LRW=m
+CONFIG_CRYPTO_PCBC=m
+# CONFIG_CRYPTO_XTS is not set
+
+#
+# Hash modes
+#
+CONFIG_CRYPTO_HMAC=y
+CONFIG_CRYPTO_XCBC=m
+
+#
+# Digest
+#
+CONFIG_CRYPTO_CRC32C=m
+CONFIG_CRYPTO_MD4=m
+CONFIG_CRYPTO_MD5=y
+CONFIG_CRYPTO_MICHAEL_MIC=m
+# CONFIG_CRYPTO_RMD128 is not set
+# CONFIG_CRYPTO_RMD160 is not set
+# CONFIG_CRYPTO_RMD256 is not set
+# CONFIG_CRYPTO_RMD320 is not set
+CONFIG_CRYPTO_SHA1=m
+CONFIG_CRYPTO_SHA256=m
+CONFIG_CRYPTO_SHA512=m
+CONFIG_CRYPTO_TGR192=m
+CONFIG_CRYPTO_WP512=m
+
+#
+# Ciphers
+#
+CONFIG_CRYPTO_AES=m
+CONFIG_CRYPTO_ANUBIS=m
+CONFIG_CRYPTO_ARC4=m
+CONFIG_CRYPTO_BLOWFISH=m
+CONFIG_CRYPTO_CAMELLIA=m
+CONFIG_CRYPTO_CAST5=m
+CONFIG_CRYPTO_CAST6=m
+CONFIG_CRYPTO_DES=y
+CONFIG_CRYPTO_FCRYPT=m
+CONFIG_CRYPTO_KHAZAD=m
+# CONFIG_CRYPTO_SALSA20 is not set
+# CONFIG_CRYPTO_SEED is not set
+CONFIG_CRYPTO_SERPENT=m
+CONFIG_CRYPTO_TEA=m
+CONFIG_CRYPTO_TWOFISH=m
+CONFIG_CRYPTO_TWOFISH_COMMON=m
+
+#
+# Compression
+#
+CONFIG_CRYPTO_DEFLATE=m
+# CONFIG_CRYPTO_LZO is not set
+CONFIG_CRYPTO_HW=y
+
+#
+# Library routines
+#
+CONFIG_BITREVERSE=y
+# CONFIG_GENERIC_FIND_FIRST_BIT is not set
+# CONFIG_GENERIC_FIND_NEXT_BIT is not set
+CONFIG_CRC_CCITT=m
+CONFIG_CRC16=m
+# CONFIG_CRC_T10DIF is not set
+# CONFIG_CRC_ITU_T is not set
+CONFIG_CRC32=y
+CONFIG_CRC7=y
+CONFIG_LIBCRC32C=m
+CONFIG_ZLIB_INFLATE=y
+CONFIG_ZLIB_DEFLATE=y
+CONFIG_TEXTSEARCH=y
+CONFIG_TEXTSEARCH_KMP=m
+CONFIG_TEXTSEARCH_BM=m
+CONFIG_TEXTSEARCH_FSM=m
+CONFIG_PLIST=y
+CONFIG_HAS_IOMEM=y
+CONFIG_HAS_DMA=y
index 1265b93..cc7fbe9 100644 (file)
@@ -109,4 +109,6 @@ source "drivers/uio/Kconfig"
 source "drivers/xen/Kconfig"
 
 source "drivers/staging/Kconfig"
+
+source "drivers/android/Kconfig"
 endmenu
index ca7b4c2..82ed733 100644 (file)
@@ -99,6 +99,7 @@ obj-$(CONFIG_DCA)             += dca/
 obj-$(CONFIG_HID)              += hid/
 obj-$(CONFIG_PPC_PS3)          += ps3/
 obj-$(CONFIG_OF)               += of/
+obj-y                          += android/
 obj-$(CONFIG_SSB)              += ssb/
 obj-$(CONFIG_VIRTIO)           += virtio/
 obj-$(CONFIG_REGULATOR)                += regulator/
diff --git a/drivers/android/Kconfig b/drivers/android/Kconfig
new file mode 100644 (file)
index 0000000..dac94bc
--- /dev/null
@@ -0,0 +1,93 @@
+menu "Android"
+
+config ANDROID_BINDER_IPC
+       tristate "Binder IPC Driver"
+       default y
+
+config ANDROID_POWER
+       bool "Android power driver"
+       depends on PM && RTC_CLASS
+       default n
+
+config ANDROID_POWER_STAT
+       bool "Android power driver lock stats"
+       depends on ANDROID_POWER
+       default y
+
+config ANDROID_POWER_ALARM
+       bool "Android alarm driver"
+       depends on ANDROID_POWER
+       default y
+
+config ANDROID_LOGGER
+       bool "Android log driver"
+       default y
+
+config ANDROID_RAM_CONSOLE
+       bool "RAM buffer console"
+       default n
+
+config ANDROID_RAM_CONSOLE_ENABLE_VERBOSE
+       bool "Enable verbose console messages"
+       default y
+       depends on ANDROID_RAM_CONSOLE
+
+menuconfig ANDROID_RAM_CONSOLE_ERROR_CORRECTION
+       bool "Enable error correction"
+       default n
+       depends on ANDROID_RAM_CONSOLE
+       select REED_SOLOMON
+       select REED_SOLOMON_ENC8
+       select REED_SOLOMON_DEC8
+
+if ANDROID_RAM_CONSOLE_ERROR_CORRECTION
+
+config ANDROID_RAM_CONSOLE_ERROR_CORRECTION_DATA_SIZE
+       int "Data data size"
+       default 128
+       help
+         Must be a power of 2.
+
+config ANDROID_RAM_CONSOLE_ERROR_CORRECTION_ECC_SIZE
+       int "ECC size"
+       default 16
+
+config ANDROID_RAM_CONSOLE_ERROR_CORRECTION_SYMBOL_SIZE
+       int "Symbol size"
+       default 8
+
+config ANDROID_RAM_CONSOLE_ERROR_CORRECTION_POLYNOMIAL
+       hex "Polynomial"
+       default 0x19 if (ANDROID_RAM_CONSOLE_ERROR_CORRECTION_SYMBOL_SIZE = 4)
+       default 0x29 if (ANDROID_RAM_CONSOLE_ERROR_CORRECTION_SYMBOL_SIZE = 5)
+       default 0x61 if (ANDROID_RAM_CONSOLE_ERROR_CORRECTION_SYMBOL_SIZE = 6)
+       default 0x89 if (ANDROID_RAM_CONSOLE_ERROR_CORRECTION_SYMBOL_SIZE = 7)
+       default 0x11d if (ANDROID_RAM_CONSOLE_ERROR_CORRECTION_SYMBOL_SIZE = 8)
+       
+endif #ANDROID_RAM_CONSOLE_ERROR_CORRECTION
+
+config ANDROID_RAM_CONSOLE_EARLY_INIT
+       bool "Start ram console early"
+       default n
+       depends on ANDROID_RAM_CONSOLE
+
+config ANDROID_RAM_CONSOLE_EARLY_ADDR
+       hex "RAM console virtual address"
+       default 0
+       depends on ANDROID_RAM_CONSOLE_EARLY_INIT
+
+config ANDROID_RAM_CONSOLE_EARLY_SIZE
+       hex "RAM console buffer size"
+       default 0
+       depends on ANDROID_RAM_CONSOLE_EARLY_INIT
+
+config ANDROID_TIMED_GPIO
+       bool "Android timed gpio driver"
+       depends on GENERIC_GPIO
+       default y
+
+config ANDROID_PARANOID_NETWORK
+       bool "Only allow certain groups to create sockets"
+       default y
+
+endmenu
diff --git a/drivers/android/Makefile b/drivers/android/Makefile
new file mode 100644 (file)
index 0000000..178d243
--- /dev/null
@@ -0,0 +1,6 @@
+obj-$(CONFIG_ANDROID_BINDER_IPC)       += binder.o
+obj-$(CONFIG_ANDROID_POWER)            += power.o
+obj-$(CONFIG_ANDROID_POWER_ALARM)              += alarm.o
+obj-$(CONFIG_ANDROID_LOGGER)           += logger.o
+obj-$(CONFIG_ANDROID_RAM_CONSOLE)      += ram_console.o
+obj-$(CONFIG_ANDROID_TIMED_GPIO)       += timed_gpio.o
diff --git a/drivers/android/alarm.c b/drivers/android/alarm.c
new file mode 100644 (file)
index 0000000..317e2c6
--- /dev/null
@@ -0,0 +1,542 @@
+/* drivers/android/alarm.c
+ *
+ * Copyright (C) 2007 Google, Inc.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#include <asm/mach/time.h>
+#include <linux/android_alarm.h>
+#include <linux/android_power.h>
+#include <linux/device.h>
+#include <linux/miscdevice.h>
+#include <linux/platform_device.h>
+#include <linux/rtc.h>
+#include <linux/spinlock.h>
+#include <linux/sysdev.h>
+
+#define ANDROID_ALARM_PRINT_ERRORS (1U << 0)
+#define ANDROID_ALARM_PRINT_INIT_STATUS (1U << 1)
+#define ANDROID_ALARM_PRINT_INFO (1U << 2)
+#define ANDROID_ALARM_PRINT_IO (1U << 3)
+#define ANDROID_ALARM_PRINT_INT (1U << 4)
+#define ANDROID_ALARM_PRINT_FLOW (1U << 5)
+
+#if 0
+#define ANDROID_ALARM_DPRINTF_MASK (~0)
+#define ANDROID_ALARM_DPRINTF(debug_level_mask, args...) \
+       do { \
+               if(ANDROID_ALARM_DPRINTF_MASK & debug_level_mask) { \
+                       printk(args); \
+               } \
+       } while(0)
+#else
+#define ANDROID_ALARM_DPRINTF(args...)
+#endif
+
+// support old usespace code
+#define ANDROID_ALARM_SET_OLD               _IOW('a', 2, time_t) // set alarm
+#define ANDROID_ALARM_SET_AND_WAIT_OLD      _IOW('a', 3, time_t)
+
+static struct rtc_device *alarm_rtc_dev;
+static int alarm_opened;
+static DEFINE_SPINLOCK(alarm_slock);
+static DEFINE_MUTEX(alarm_setrtc_mutex);
+static android_suspend_lock_t alarm_suspend_lock = {
+       .name = "android_alarm"
+};
+static android_suspend_lock_t alarm_rtc_suspend_lock = {
+       .name = "android_alarm_rtc"
+};
+static DECLARE_WAIT_QUEUE_HEAD(alarm_wait_queue);
+static uint32_t alarm_pending;
+static uint32_t alarm_enabled;
+static uint32_t wait_pending;
+static struct platform_device *alarm_platform_dev;
+static struct hrtimer alarm_timer[ANDROID_ALARM_TYPE_COUNT];
+static struct timespec alarm_time[ANDROID_ALARM_TYPE_COUNT];
+static struct timespec elapsed_rtc_delta;
+
+static void alarm_start_hrtimer(android_alarm_type_t alarm_type)
+{
+       struct timespec hr_alarm_time;
+       if(!(alarm_enabled & (1U << alarm_type)))
+               return;
+       hr_alarm_time = alarm_time[alarm_type];
+       if(alarm_type == ANDROID_ALARM_ELAPSED_REALTIME_WAKEUP || alarm_type == ANDROID_ALARM_ELAPSED_REALTIME)
+               set_normalized_timespec(&hr_alarm_time, hr_alarm_time.tv_sec + elapsed_rtc_delta.tv_sec,
+                                       hr_alarm_time.tv_nsec + elapsed_rtc_delta.tv_nsec);
+       ANDROID_ALARM_DPRINTF(ANDROID_ALARM_PRINT_FLOW, "alarm start hrtimer %d at %ld.%09ld\n", alarm_type, hr_alarm_time.tv_sec, hr_alarm_time.tv_nsec);
+       hrtimer_start(&alarm_timer[alarm_type], timespec_to_ktime(hr_alarm_time), HRTIMER_MODE_ABS);
+}
+
+static long alarm_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
+{
+       int rv = 0;
+       unsigned long flags;
+       int i;
+       struct timespec new_alarm_time;
+       struct timespec new_rtc_time;
+       struct timespec tmp_time;
+       struct rtc_time rtc_new_rtc_time;
+       android_alarm_type_t alarm_type = ANDROID_ALARM_IOCTL_TO_TYPE(cmd);
+       uint32_t alarm_type_mask = 1U << alarm_type;
+
+       if(alarm_type >= ANDROID_ALARM_TYPE_COUNT)
+               return -EINVAL;
+
+       if(ANDROID_ALARM_BASE_CMD(cmd) != ANDROID_ALARM_GET_TIME(0)) {
+               if ((file->f_flags & O_ACCMODE) == O_RDONLY)
+                       return -EPERM;
+               if(file->private_data == NULL && cmd != ANDROID_ALARM_SET_RTC) {
+                       spin_lock_irqsave(&alarm_slock, flags);
+                       if(alarm_opened) {
+                               spin_unlock_irqrestore(&alarm_slock, flags);
+                               return -EBUSY;
+                       }
+                       alarm_opened = 1;
+                       file->private_data = (void *)1;
+                       spin_unlock_irqrestore(&alarm_slock, flags);
+               }
+       }
+
+       switch(ANDROID_ALARM_BASE_CMD(cmd)) {
+               //case ANDROID_ALARM_CLEAR_OLD: // same as ANDROID_ALARM_CLEAR(0)
+               case ANDROID_ALARM_CLEAR(0):
+                       spin_lock_irqsave(&alarm_slock, flags);
+                       ANDROID_ALARM_DPRINTF(ANDROID_ALARM_PRINT_IO, "alarm %d clear\n", alarm_type);
+                       hrtimer_try_to_cancel(&alarm_timer[alarm_type]);
+                       if(alarm_pending) {
+                               alarm_pending &= ~alarm_type_mask;
+                               if(!alarm_pending && !wait_pending) {
+                                       android_unlock_suspend(&alarm_suspend_lock);
+                               }
+                       }
+                       alarm_enabled &= ~alarm_type_mask;
+                       spin_unlock_irqrestore(&alarm_slock, flags);
+                       break;
+
+               case ANDROID_ALARM_SET_OLD:
+               case ANDROID_ALARM_SET_AND_WAIT_OLD:
+                       if(get_user(new_alarm_time.tv_sec, (int __user *)arg)) {
+                               rv = -EFAULT;
+                               goto err1;
+                       }
+                       new_alarm_time.tv_nsec = 0;
+                       goto from_old_alarm_set;
+
+               case ANDROID_ALARM_SET_AND_WAIT(0):
+               case ANDROID_ALARM_SET(0):
+                       if(copy_from_user(&new_alarm_time, (void __user *)arg, sizeof(new_alarm_time))) {
+                               rv = -EFAULT;
+                               goto err1;
+                       }
+from_old_alarm_set:
+                       spin_lock_irqsave(&alarm_slock, flags);
+                       ANDROID_ALARM_DPRINTF(ANDROID_ALARM_PRINT_IO, "alarm %d set %ld.%09ld\n", alarm_type, new_alarm_time.tv_sec, new_alarm_time.tv_nsec);
+                       alarm_time[alarm_type] = new_alarm_time;
+                       alarm_enabled |= alarm_type_mask;
+                       alarm_start_hrtimer(alarm_type);
+                       spin_unlock_irqrestore(&alarm_slock, flags);
+                       if(ANDROID_ALARM_BASE_CMD(cmd) != ANDROID_ALARM_SET_AND_WAIT(0) && cmd != ANDROID_ALARM_SET_AND_WAIT_OLD)
+                               break;
+                       // fall though
+               case ANDROID_ALARM_WAIT:
+                       spin_lock_irqsave(&alarm_slock, flags);
+                       ANDROID_ALARM_DPRINTF(ANDROID_ALARM_PRINT_IO, "alarm wait\n");
+                       if(!alarm_pending && wait_pending) {
+                               android_unlock_suspend(&alarm_suspend_lock);
+                               wait_pending = 0;
+                       }
+                       spin_unlock_irqrestore(&alarm_slock, flags);
+                       rv = wait_event_interruptible(alarm_wait_queue, alarm_pending);
+                       if(rv)
+                               goto err1;
+                       spin_lock_irqsave(&alarm_slock, flags);
+                       rv = alarm_pending;
+                       wait_pending = 1;
+                       alarm_pending = 0;
+                       if(rv & (ANDROID_ALARM_RTC_WAKEUP_MASK | ANDROID_ALARM_ELAPSED_REALTIME_WAKEUP_MASK)) {
+                               android_unlock_suspend(&alarm_rtc_suspend_lock);
+                       }
+                       spin_unlock_irqrestore(&alarm_slock, flags);
+                       break;
+               case ANDROID_ALARM_SET_RTC:
+                       if(copy_from_user(&new_rtc_time, (void __user *)arg, sizeof(new_rtc_time))) {
+                               rv = -EFAULT;
+                               goto err1;
+                       }
+                       rtc_time_to_tm(new_rtc_time.tv_sec, &rtc_new_rtc_time);
+
+                       ANDROID_ALARM_DPRINTF(ANDROID_ALARM_PRINT_IO,
+                               "set rtc %ld %ld - rtc %02d:%02d:%02d %02d/%02d/%04d\n",
+                               new_rtc_time.tv_sec, new_rtc_time.tv_nsec,
+                               rtc_new_rtc_time.tm_hour, rtc_new_rtc_time.tm_min,
+                               rtc_new_rtc_time.tm_sec, rtc_new_rtc_time.tm_mon + 1,
+                               rtc_new_rtc_time.tm_mday, rtc_new_rtc_time.tm_year + 1900);
+
+                       mutex_lock(&alarm_setrtc_mutex);
+                       spin_lock_irqsave(&alarm_slock, flags);
+                       for (i = 0; i < ANDROID_ALARM_SYSTEMTIME; i++)
+                               hrtimer_try_to_cancel(&alarm_timer[i]);
+                       getnstimeofday(&tmp_time);
+                       elapsed_rtc_delta = timespec_sub(elapsed_rtc_delta, timespec_sub(tmp_time, new_rtc_time));
+                       spin_unlock_irqrestore(&alarm_slock, flags);
+                       rv = do_settimeofday(&new_rtc_time);
+                       spin_lock_irqsave(&alarm_slock, flags);
+                       for (i = 0; i < ANDROID_ALARM_SYSTEMTIME; i++)
+                               alarm_start_hrtimer(i);
+                       spin_unlock_irqrestore(&alarm_slock, flags);
+                       if(rv < 0) {
+                               ANDROID_ALARM_DPRINTF(ANDROID_ALARM_PRINT_ERRORS, "Failed to set time\n");
+                               mutex_unlock(&alarm_setrtc_mutex);
+                               goto err1;
+                       }
+                       rv = rtc_set_time(alarm_rtc_dev, &rtc_new_rtc_time);
+                       spin_lock_irqsave(&alarm_slock, flags);
+                       alarm_pending |= ANDROID_ALARM_TIME_CHANGE_MASK;
+                       wake_up(&alarm_wait_queue);
+                       spin_unlock_irqrestore(&alarm_slock, flags);
+                       mutex_unlock(&alarm_setrtc_mutex);
+                       if(rv < 0) {
+                               ANDROID_ALARM_DPRINTF(ANDROID_ALARM_PRINT_ERRORS, "Failed to set RTC, time will be lost on reboot\n");
+                               goto err1;
+                       }
+                       break;
+               case ANDROID_ALARM_GET_TIME(0):
+                       mutex_lock(&alarm_setrtc_mutex);
+                       spin_lock_irqsave(&alarm_slock, flags);
+                       if(alarm_type != ANDROID_ALARM_SYSTEMTIME) {
+                               getnstimeofday(&tmp_time);
+                               if(alarm_type >= ANDROID_ALARM_ELAPSED_REALTIME_WAKEUP) {
+                                       tmp_time = timespec_sub(tmp_time, elapsed_rtc_delta);
+                               }
+                       }
+                       else
+                               ktime_get_ts(&tmp_time);
+                       spin_unlock_irqrestore(&alarm_slock, flags);
+                       mutex_unlock(&alarm_setrtc_mutex);
+                       if(copy_to_user((void __user *)arg, &tmp_time, sizeof(tmp_time))) {
+                               rv = -EFAULT;
+                               goto err1;
+                       }
+                       break;
+
+               default:
+                       rv = -EINVAL;
+                       goto err1;
+       }
+err1:
+       return rv;
+}
+
+static int alarm_open(struct inode *inode, struct file *file)
+{
+       file->private_data = NULL;
+       return 0;
+}
+
+static int alarm_release(struct inode *inode, struct file *file)
+{
+       int i;
+       unsigned long flags;
+
+       spin_lock_irqsave(&alarm_slock, flags);
+       if(file->private_data != 0) {
+               for(i = 0; i < ANDROID_ALARM_TYPE_COUNT; i++) {
+                       uint32_t alarm_type_mask = 1U << i;
+                       if(alarm_enabled & alarm_type_mask) {
+                               ANDROID_ALARM_DPRINTF(ANDROID_ALARM_PRINT_INFO, "alarm_release: clear alarm, pending %d\n", !!(alarm_pending & alarm_type_mask));
+                               alarm_enabled &= ~alarm_type_mask;
+                       }
+                       spin_unlock_irqrestore(&alarm_slock, flags);
+                       hrtimer_cancel(&alarm_timer[i]);
+                       spin_lock_irqsave(&alarm_slock, flags);
+               }
+               if(alarm_pending | wait_pending) {
+                       if(alarm_pending)
+                               ANDROID_ALARM_DPRINTF(ANDROID_ALARM_PRINT_INFO, "alarm_release: clear pending alarms %x\n", alarm_pending);
+                       android_unlock_suspend(&alarm_suspend_lock);
+                       wait_pending = 0;
+                       alarm_pending = 0;
+               }
+               alarm_opened = 0;
+       }
+       spin_unlock_irqrestore(&alarm_slock, flags);
+       return 0;
+}
+
+static enum hrtimer_restart alarm_timer_triggered(struct hrtimer *timer)
+{
+       unsigned long flags;
+       android_alarm_type_t alarm_type = (timer - alarm_timer);
+       uint32_t alarm_type_mask = 1U << alarm_type;
+
+
+       ANDROID_ALARM_DPRINTF(ANDROID_ALARM_PRINT_INT, "alarm_timer_triggered type %d\n", alarm_type);
+       spin_lock_irqsave(&alarm_slock, flags);
+       if (alarm_enabled & alarm_type_mask) {
+               android_lock_suspend_auto_expire(&alarm_suspend_lock, 5 * HZ);
+               alarm_enabled &= ~alarm_type_mask;
+               alarm_pending |= alarm_type_mask;
+               wake_up(&alarm_wait_queue);
+       }
+       spin_unlock_irqrestore(&alarm_slock, flags);
+       return HRTIMER_NORESTART;
+}
+
+static void alarm_triggered_func(void *p)
+{
+//     unsigned long flags;
+
+       struct rtc_device *rtc = alarm_rtc_dev;
+       if(rtc->irq_data & RTC_AF) {
+               ANDROID_ALARM_DPRINTF(ANDROID_ALARM_PRINT_INT, "alarm_triggered_func:\n");
+               android_lock_suspend_auto_expire(&alarm_rtc_suspend_lock, 1 * HZ);
+       }
+}
+
+int alarm_suspend(struct platform_device *pdev, pm_message_t state)
+{
+       int                 err = 0;
+       unsigned long       flags;
+       struct rtc_wkalrm   rtc_alarm;
+       struct rtc_time     rtc_current_rtc_time;
+       unsigned long       rtc_current_time;
+       unsigned long       rtc_alarm_time;
+       struct timespec     rtc_current_timespec;
+       struct timespec     rtc_delta;
+       struct timespec     elapsed_realtime_alarm_time;
+
+       ANDROID_ALARM_DPRINTF(ANDROID_ALARM_PRINT_FLOW, "alarm_suspend(%p, %d)\n", pdev, state.event);
+       spin_lock_irqsave(&alarm_slock, flags);
+       if(alarm_pending && (alarm_suspend_lock.flags & ANDROID_SUSPEND_LOCK_AUTO_EXPIRE)) {
+               ANDROID_ALARM_DPRINTF(ANDROID_ALARM_PRINT_INFO, "alarm pending\n");
+               err = -EBUSY;
+               goto err1;
+       }
+       if(alarm_enabled & (ANDROID_ALARM_RTC_WAKEUP_MASK | ANDROID_ALARM_ELAPSED_REALTIME_WAKEUP_MASK)) {
+               spin_unlock_irqrestore(&alarm_slock, flags);
+               if(alarm_enabled & ANDROID_ALARM_RTC_WAKEUP_MASK)
+                       hrtimer_cancel(&alarm_timer[ANDROID_ALARM_RTC_WAKEUP]);
+               if(alarm_enabled & ANDROID_ALARM_ELAPSED_REALTIME_WAKEUP_MASK)
+                       hrtimer_cancel(&alarm_timer[ANDROID_ALARM_ELAPSED_REALTIME_WAKEUP]);
+
+               rtc_read_time(alarm_rtc_dev, &rtc_current_rtc_time);
+               rtc_current_timespec.tv_nsec = 0;
+               rtc_tm_to_time(&rtc_current_rtc_time, &rtc_current_timespec.tv_sec);
+               save_time_delta(&rtc_delta, &rtc_current_timespec);
+               set_normalized_timespec(&elapsed_realtime_alarm_time,
+                       alarm_time[ANDROID_ALARM_ELAPSED_REALTIME_WAKEUP].tv_sec + elapsed_rtc_delta.tv_sec,
+                       alarm_time[ANDROID_ALARM_ELAPSED_REALTIME_WAKEUP].tv_nsec + elapsed_rtc_delta.tv_nsec);
+               if((alarm_enabled & ANDROID_ALARM_RTC_WAKEUP_MASK) &&
+                  (!(alarm_enabled & ANDROID_ALARM_ELAPSED_REALTIME_WAKEUP_MASK)
+                  || timespec_compare(&alarm_time[ANDROID_ALARM_RTC_WAKEUP], &elapsed_realtime_alarm_time) < 0))
+                       rtc_alarm_time = timespec_sub(alarm_time[ANDROID_ALARM_RTC_WAKEUP], rtc_delta).tv_sec;
+               else {
+                       rtc_alarm_time = timespec_sub(elapsed_realtime_alarm_time, rtc_delta).tv_sec;
+               }
+               rtc_time_to_tm(rtc_alarm_time, &rtc_alarm.time);
+               rtc_alarm.enabled = 1;
+               rtc_set_alarm(alarm_rtc_dev, &rtc_alarm);
+               rtc_read_time(alarm_rtc_dev, &rtc_current_rtc_time);
+               rtc_tm_to_time(&rtc_current_rtc_time, &rtc_current_time);
+               ANDROID_ALARM_DPRINTF(ANDROID_ALARM_PRINT_INFO,
+                       "rtc alarm set at %ld, now %ld, rtc delta %ld.%09ld\n",
+                       rtc_alarm_time, rtc_current_time,
+                       rtc_delta.tv_sec, rtc_delta.tv_nsec);
+               if(rtc_current_time + 1 >= rtc_alarm_time) {
+                       //spin_lock_irqsave(&alarm_slock, flags);
+                       ANDROID_ALARM_DPRINTF(ANDROID_ALARM_PRINT_INFO, "alarm about to go off\n");
+                       memset(&rtc_alarm, 0, sizeof(rtc_alarm));
+                       rtc_alarm.enabled = 0;
+                       rtc_set_alarm(alarm_rtc_dev, &rtc_alarm);
+
+                       spin_lock_irqsave(&alarm_slock, flags);
+                       android_lock_suspend_auto_expire(&alarm_rtc_suspend_lock, 2 * HZ); // trigger a wakeup
+                       alarm_start_hrtimer(ANDROID_ALARM_RTC_WAKEUP);
+                       alarm_start_hrtimer(ANDROID_ALARM_ELAPSED_REALTIME_WAKEUP);
+                       err = -EBUSY;
+                       spin_unlock_irqrestore(&alarm_slock, flags);
+               }
+       }
+       else {
+err1:
+               spin_unlock_irqrestore(&alarm_slock, flags);
+       }
+       return err;
+}
+
+int alarm_resume(struct platform_device *pdev)
+{
+       struct rtc_wkalrm alarm;
+       ANDROID_ALARM_DPRINTF(ANDROID_ALARM_PRINT_FLOW, "alarm_resume(%p)\n", pdev);
+       if(alarm_enabled & (ANDROID_ALARM_RTC_WAKEUP_MASK | ANDROID_ALARM_ELAPSED_REALTIME_WAKEUP_MASK)) {
+               memset(&alarm, 0, sizeof(alarm));
+               alarm.enabled = 0;
+               rtc_set_alarm(alarm_rtc_dev, &alarm);
+               alarm_start_hrtimer(ANDROID_ALARM_RTC_WAKEUP);
+               alarm_start_hrtimer(ANDROID_ALARM_ELAPSED_REALTIME_WAKEUP);
+       }
+       return 0;
+}
+
+static struct rtc_task alarm_rtc_task = {
+       .func = alarm_triggered_func
+};
+
+static struct file_operations alarm_fops = {
+       .owner = THIS_MODULE,
+       .unlocked_ioctl = alarm_ioctl,
+       .open = alarm_open,
+       .release = alarm_release,
+};
+
+static struct miscdevice alarm_device = {
+       .minor = MISC_DYNAMIC_MINOR,
+       .name = "alarm",
+       .fops = &alarm_fops,
+};
+
+static int rtc_alarm_add_device(struct device *dev,
+                               struct class_interface *class_intf)
+{
+       int err;
+       struct rtc_device *rtc = to_rtc_device(dev);
+
+       mutex_lock(&alarm_setrtc_mutex);
+
+       if(alarm_rtc_dev) {
+               err = -EBUSY;
+               goto err1;
+       }
+       
+       err = misc_register(&alarm_device);
+       if(err)
+               goto err1;
+       alarm_platform_dev = platform_device_register_simple("alarm", -1, NULL, 0);
+       if(IS_ERR(alarm_platform_dev)) {
+               err = PTR_ERR(alarm_platform_dev);
+               goto err2;
+       }
+       err = rtc_irq_register(rtc, &alarm_rtc_task);
+       if(err)
+               goto err3;
+       alarm_rtc_dev = rtc;
+       mutex_unlock(&alarm_setrtc_mutex);
+       
+       //device_pm_set_parent(&alarm_platform_dev->dev, dev); // currently useless, drivers are suspended in reverse creation order
+       ANDROID_ALARM_DPRINTF(ANDROID_ALARM_PRINT_INFO, "alarm: parent %p\n", alarm_platform_dev->dev.power.pm_parent);
+       return 0;
+
+err3:
+       platform_device_unregister(alarm_platform_dev);
+err2:
+       misc_deregister(&alarm_device);
+err1:
+       mutex_unlock(&alarm_setrtc_mutex);
+       return err;
+}
+
+static void rtc_alarm_remove_device(struct device *dev,
+                                    struct class_interface *class_intf)
+{
+       if(dev == &alarm_rtc_dev->dev) {
+               rtc_irq_unregister(alarm_rtc_dev, &alarm_rtc_task);
+               platform_device_unregister(alarm_platform_dev);
+               misc_deregister(&alarm_device);
+               alarm_rtc_dev = NULL;
+       }
+}
+
+static struct class_interface rtc_alarm_interface = {
+       .add_dev = &rtc_alarm_add_device,
+       .remove_dev = &rtc_alarm_remove_device,
+};
+
+static struct platform_driver alarm_driver = {
+       .suspend = alarm_suspend,
+       .resume = alarm_resume,
+       .driver = {
+               .name = "alarm"
+       }
+};
+
+static int __init alarm_late_init(void)
+{
+       unsigned long   flags;
+       struct timespec system_time;
+
+       // this needs to run after the rtc is read at boot
+       spin_lock_irqsave(&alarm_slock, flags);
+       // We read the current rtc and system time so we can later calulate
+       // elasped realtime to be (boot_systemtime + rtc - boot_rtc) ==
+       // (rtc - (boot_rtc - boot_systemtime))
+       getnstimeofday(&elapsed_rtc_delta); 
+       ktime_get_ts(&system_time);
+       elapsed_rtc_delta = timespec_sub(elapsed_rtc_delta, system_time);
+       spin_unlock_irqrestore(&alarm_slock, flags);
+       
+       ANDROID_ALARM_DPRINTF(ANDROID_ALARM_PRINT_INFO,
+               "alarm_late_init: rtc to elapsed realtime delta %ld.%09ld\n",
+               elapsed_rtc_delta.tv_sec, elapsed_rtc_delta.tv_nsec);
+       return 0;
+}
+
+static int __init alarm_init(void)
+{
+       int err;
+       int i;
+
+       for(i = 0; i < ANDROID_ALARM_SYSTEMTIME; i++) {
+               hrtimer_init(&alarm_timer[i], CLOCK_REALTIME, HRTIMER_MODE_ABS);
+               alarm_timer[i].function = alarm_timer_triggered;
+       }
+       hrtimer_init(&alarm_timer[ANDROID_ALARM_SYSTEMTIME], CLOCK_MONOTONIC, HRTIMER_MODE_ABS);
+       alarm_timer[ANDROID_ALARM_SYSTEMTIME].function = alarm_timer_triggered;
+       err = platform_driver_register(&alarm_driver);
+       if(err < 0)
+               goto err1;
+       err = android_init_suspend_lock(&alarm_suspend_lock);
+       if(err < 0)
+               goto err2;
+       err = android_init_suspend_lock(&alarm_rtc_suspend_lock);
+       if(err < 0)
+               goto err3;
+       rtc_alarm_interface.class = rtc_class;
+       err = class_interface_register(&rtc_alarm_interface);
+       if(err < 0)
+               goto err4;
+       
+       return 0;
+
+err4:
+       android_uninit_suspend_lock(&alarm_rtc_suspend_lock);
+err3:
+       android_uninit_suspend_lock(&alarm_suspend_lock);
+err2:
+       platform_driver_unregister(&alarm_driver);
+err1:
+       return err;
+}
+
+static void  __exit alarm_exit(void)
+{
+       class_interface_unregister(&rtc_alarm_interface);
+       android_uninit_suspend_lock(&alarm_rtc_suspend_lock);
+       android_uninit_suspend_lock(&alarm_suspend_lock);
+       platform_driver_unregister(&alarm_driver);
+}
+
+late_initcall(alarm_late_init);
+module_init(alarm_init);
+module_exit(alarm_exit);
+
diff --git a/drivers/android/binder.c b/drivers/android/binder.c
new file mode 100644 (file)
index 0000000..597578b
--- /dev/null
@@ -0,0 +1,3499 @@
+/* drivers/android/binder.c
+ *
+ * Android IPC Subsystem
+ *
+ * Copyright (C) 2007-2008 Google, Inc.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#include <asm/cacheflush.h>
+#include <linux/binder.h>
+#include <linux/fdtable.h>
+#include <linux/file.h>
+#include <linux/fs.h>
+#include <linux/list.h>
+#include <linux/miscdevice.h>
+#include <linux/mm.h>
+#include <linux/module.h>
+#include <linux/mutex.h>
+#include <linux/nsproxy.h>
+#include <linux/poll.h>
+#include <linux/proc_fs.h>
+#include <linux/rbtree.h>
+#include <linux/sched.h>
+#include <linux/uaccess.h>
+#include <linux/vmalloc.h>
+
+static DEFINE_MUTEX(binder_lock);
+static HLIST_HEAD(binder_procs);
+static struct binder_node *binder_context_mgr_node;
+static uid_t binder_context_mgr_uid = -1;
+static int binder_last_id;
+static struct proc_dir_entry *binder_proc_dir_entry_root;
+static struct proc_dir_entry *binder_proc_dir_entry_proc;
+static struct hlist_head binder_dead_nodes;
+
+static int binder_read_proc_proc(
+       char *page, char **start, off_t off, int count, int *eof, void *data);
+
+/* This is only defined in include/asm-arm/sizes.h */
+#ifndef SZ_1K
+#define SZ_1K                               0x400
+#endif
+
+#ifndef SZ_4M
+#define SZ_4M                               0x400000
+#endif
+
+#ifndef __i386__
+#define FORBIDDEN_MMAP_FLAGS                (VM_WRITE | VM_EXEC)
+#else
+#define FORBIDDEN_MMAP_FLAGS                (VM_WRITE)
+#endif
+
+#define BINDER_SMALL_BUF_SIZE (PAGE_SIZE * 64)
+
+enum {
+       BINDER_DEBUG_USER_ERROR             = 1U << 0,
+       BINDER_DEBUG_FAILED_TRANSACTION     = 1U << 1,
+       BINDER_DEBUG_DEAD_TRANSACTION       = 1U << 2,
+       BINDER_DEBUG_OPEN_CLOSE             = 1U << 3,
+       BINDER_DEBUG_DEAD_BINDER            = 1U << 4,
+       BINDER_DEBUG_DEATH_NOTIFICATION     = 1U << 5,
+       BINDER_DEBUG_READ_WRITE             = 1U << 6,
+       BINDER_DEBUG_USER_REFS              = 1U << 7,
+       BINDER_DEBUG_THREADS                = 1U << 8,
+       BINDER_DEBUG_TRANSACTION            = 1U << 9,
+       BINDER_DEBUG_TRANSACTION_COMPLETE   = 1U << 10,
+       BINDER_DEBUG_FREE_BUFFER            = 1U << 11,
+       BINDER_DEBUG_INTERNAL_REFS          = 1U << 12,
+       BINDER_DEBUG_BUFFER_ALLOC           = 1U << 13,
+       BINDER_DEBUG_PRIORITY_CAP           = 1U << 14,
+       BINDER_DEBUG_BUFFER_ALLOC_ASYNC     = 1U << 15,
+};
+static uint32_t binder_debug_mask = BINDER_DEBUG_USER_ERROR |
+       BINDER_DEBUG_FAILED_TRANSACTION | BINDER_DEBUG_DEAD_TRANSACTION;
+module_param_named(debug_mask, binder_debug_mask, uint, S_IWUSR | S_IRUGO)
+static int binder_debug_no_lock;
+module_param_named(proc_no_lock, binder_debug_no_lock, bool, S_IWUSR | S_IRUGO)
+static DECLARE_WAIT_QUEUE_HEAD(binder_user_error_wait);
+static int binder_stop_on_user_error;
+static int binder_set_stop_on_user_error(
+       const char *val, struct kernel_param *kp)
+{
+       int ret;
+       ret = param_set_int(val, kp);
+       if (binder_stop_on_user_error < 2)
+               wake_up(&binder_user_error_wait);
+       return ret;
+}
+module_param_call(stop_on_user_error, binder_set_stop_on_user_error,
+       param_get_int, &binder_stop_on_user_error, S_IWUSR | S_IRUGO);
+
+#define binder_user_error(x...) \
+       do { \
+               if (binder_debug_mask & BINDER_DEBUG_USER_ERROR) \
+                       printk(KERN_INFO x); \
+               if (binder_stop_on_user_error) \
+                       binder_stop_on_user_error = 2; \
+       } while (0)
+
+enum {
+       BINDER_STAT_PROC,
+       BINDER_STAT_THREAD,
+       BINDER_STAT_NODE,
+       BINDER_STAT_REF,
+       BINDER_STAT_DEATH,
+       BINDER_STAT_TRANSACTION,
+       BINDER_STAT_TRANSACTION_COMPLETE,
+       BINDER_STAT_COUNT
+};
+
+struct binder_stats {
+       int br[_IOC_NR(BR_FAILED_REPLY) + 1];
+       int bc[_IOC_NR(BC_DEAD_BINDER_DONE) + 1];
+       int obj_created[BINDER_STAT_COUNT];
+       int obj_deleted[BINDER_STAT_COUNT];
+};
+
+static struct binder_stats binder_stats;
+
+struct binder_transaction_log_entry {
+       int debug_id;
+       int call_type;
+       int from_proc;
+       int from_thread;
+       int target_handle;
+       int to_proc;
+       int to_thread;
+       int to_node;
+       int data_size;
+       int offsets_size;
+};
+struct binder_transaction_log {
+       int next;
+       int full;
+       struct binder_transaction_log_entry entry[32];
+};
+struct binder_transaction_log binder_transaction_log;
+struct binder_transaction_log binder_transaction_log_failed;
+
+static struct binder_transaction_log_entry *binder_transaction_log_add(
+       struct binder_transaction_log *log)
+{
+       struct binder_transaction_log_entry *e;
+       e = &log->entry[log->next];
+       memset(e, 0, sizeof(*e));
+       log->next++;
+       if (log->next == ARRAY_SIZE(log->entry)) {
+               log->next = 0;
+               log->full = 1;
+       }
+       return e;
+}
+
+struct binder_work {
+       struct list_head entry;
+       enum {
+               BINDER_WORK_TRANSACTION = 1,
+               BINDER_WORK_TRANSACTION_COMPLETE,
+               BINDER_WORK_NODE,
+               BINDER_WORK_DEAD_BINDER,
+               BINDER_WORK_DEAD_BINDER_AND_CLEAR,
+               BINDER_WORK_CLEAR_DEATH_NOTIFICATION,
+       } type;
+};
+
+struct binder_node {
+       int debug_id;
+       struct binder_work work;
+       union {
+               struct rb_node rb_node;
+               struct hlist_node dead_node;
+       };
+       struct binder_proc *proc;
+       struct hlist_head refs;
+       int internal_strong_refs;
+       int local_weak_refs;
+       int local_strong_refs;
+       void __user *ptr;
+       void __user *cookie;
+       unsigned has_strong_ref : 1;
+       unsigned pending_strong_ref : 1;
+       unsigned has_weak_ref : 1;
+       unsigned pending_weak_ref : 1;
+       unsigned has_async_transaction : 1;
+       unsigned accept_fds : 1;
+       int min_priority : 8;
+       struct list_head async_todo;
+};
+
+struct binder_ref_death {
+       struct binder_work work;
+       void __user *cookie;
+};
+
+struct binder_ref {
+       /* Lookups needed: */
+       /*   node + proc => ref (transaction) */
+       /*   desc + proc => ref (transaction, inc/dec ref) */
+       /*   node => refs + procs (proc exit) */
+       int debug_id;
+       struct rb_node rb_node_desc;
+       struct rb_node rb_node_node;
+       struct hlist_node node_entry;
+       struct binder_proc *proc;
+       struct binder_node *node;
+       uint32_t desc;
+       int strong;
+       int weak;
+       struct binder_ref_death *death;
+};
+
+struct binder_buffer {
+       struct list_head entry; /* free and allocated entries by addesss */
+       struct rb_node rb_node; /* free entry by size or allocated entry */
+                               /* by address */
+       unsigned free : 1;
+       unsigned allow_user_free : 1;
+       unsigned async_transaction : 1;
+       unsigned debug_id : 29;
+
+       struct binder_transaction *transaction;
+
+       struct binder_node *target_node;
+       size_t data_size;
+       size_t offsets_size;
+       uint8_t data[0];
+};
+
+struct binder_proc {
+       struct hlist_node proc_node;
+       struct rb_root threads;
+       struct rb_root nodes;
+       struct rb_root refs_by_desc;
+       struct rb_root refs_by_node;
+       int pid;
+       struct vm_area_struct *vma;
+       struct task_struct *tsk;
+       void *buffer;
+       size_t user_buffer_offset;
+
+       struct list_head buffers;
+       struct rb_root free_buffers;
+       struct rb_root allocated_buffers;
+       size_t free_async_space;
+
+       struct page **pages;
+       size_t buffer_size;
+       uint32_t buffer_free;
+       struct list_head todo;
+       wait_queue_head_t wait;
+       struct binder_stats stats;
+       struct list_head delivered_death;
+       int max_threads;
+       int requested_threads;
+       int requested_threads_started;
+       int ready_threads;
+       long default_priority;
+};
+
+enum {
+       BINDER_LOOPER_STATE_REGISTERED  = 0x01,
+       BINDER_LOOPER_STATE_ENTERED     = 0x02,
+       BINDER_LOOPER_STATE_EXITED      = 0x04,
+       BINDER_LOOPER_STATE_INVALID     = 0x08,
+       BINDER_LOOPER_STATE_WAITING     = 0x10,
+       BINDER_LOOPER_STATE_NEED_RETURN = 0x20
+};
+
+struct binder_thread {
+       struct binder_proc *proc;
+       struct rb_node rb_node;
+       int pid;
+       int looper;
+       struct binder_transaction *transaction_stack;
+       struct list_head todo;
+       uint32_t return_error; /* Write failed, return error code in read buf */
+       uint32_t return_error2; /* Write failed, return error code in read */
+               /* buffer. Used when sending a reply to a dead process that */
+               /* we are also waiting on */
+       wait_queue_head_t wait;
+       struct binder_stats stats;
+};
+
+struct binder_transaction {
+       int debug_id;
+       struct binder_work work;
+       struct binder_thread *from;
+       struct binder_transaction *from_parent;
+       struct binder_proc *to_proc;
+       struct binder_thread *to_thread;
+       struct binder_transaction *to_parent;
+       unsigned need_reply : 1;
+       /*unsigned is_dead : 1;*/ /* not used at the moment */
+
+       struct binder_buffer *buffer;
+       unsigned int    code;
+       unsigned int    flags;
+       long    priority;
+       long    saved_priority;
+       uid_t   sender_euid;
+};
+
+/*
+ * copied from get_unused_fd_flags
+ */
+int task_get_unused_fd_flags(struct task_struct *tsk, int flags)
+{
+       struct files_struct *files = get_files_struct(tsk);
+       int fd, error;
+       struct fdtable *fdt;
+       unsigned long rlim_cur;
+
+       if (files == NULL)
+               return -ESRCH;
+
+       error = -EMFILE;
+       spin_lock(&files->file_lock);
+
+repeat:
+       fdt = files_fdtable(files);
+       fd = find_next_zero_bit(fdt->open_fds->fds_bits, fdt->max_fds,
+                               files->next_fd);
+
+       /*
+        * N.B. For clone tasks sharing a files structure, this test
+        * will limit the total number of files that can be opened.
+        */
+       rcu_read_lock();
+       if (tsk->signal)
+               rlim_cur = tsk->signal->rlim[RLIMIT_NOFILE].rlim_cur;
+       else
+               rlim_cur = 0;
+       rcu_read_unlock();
+       if (fd >= rlim_cur)
+               goto out;
+
+       /* Do we need to expand the fd array or fd set?  */
+       error = expand_files(files, fd);
+       if (error < 0)
+               goto out;
+
+       if (error) {
+               /*
+                * If we needed to expand the fs array we
+                * might have blocked - try again.
+                */
+               error = -EMFILE;
+               goto repeat;
+       }
+
+       FD_SET(fd, fdt->open_fds);
+       if (flags & O_CLOEXEC)
+               FD_SET(fd, fdt->close_on_exec);
+       else
+               FD_CLR(fd, fdt->close_on_exec);
+       files->next_fd = fd + 1;
+#if 1
+       /* Sanity check */
+       if (fdt->fd[fd] != NULL) {
+               printk(KERN_WARNING "get_unused_fd: slot %d not NULL!\n", fd);
+               fdt->fd[fd] = NULL;
+       }
+#endif
+       error = fd;
+
+out:
+       spin_unlock(&files->file_lock);
+       put_files_struct(files);
+       return error;
+}
+
+/*
+ * copied from fd_install
+ */
+static void task_fd_install(
+       struct task_struct *tsk, unsigned int fd, struct file *file)
+{
+       struct files_struct *files = get_files_struct(tsk);
+       struct fdtable *fdt;
+
+       if (files == NULL)
+               return;
+
+       spin_lock(&files->file_lock);
+       fdt = files_fdtable(files);
+       BUG_ON(fdt->fd[fd] != NULL);
+       rcu_assign_pointer(fdt->fd[fd], file);
+       spin_unlock(&files->file_lock);
+       put_files_struct(files);
+}
+
+/*
+ * copied from __put_unused_fd in open.c
+ */
+static void __put_unused_fd(struct files_struct *files, unsigned int fd)
+{
+       struct fdtable *fdt = files_fdtable(files);
+       __FD_CLR(fd, fdt->open_fds);
+       if (fd < files->next_fd)
+               files->next_fd = fd;
+}
+
+/*
+ * copied from sys_close
+ */
+static long task_close_fd(struct task_struct *tsk, unsigned int fd)
+{
+       struct file *filp;
+       struct files_struct *files = get_files_struct(tsk);
+       struct fdtable *fdt;
+       int retval;
+
+       if (files == NULL)
+               return -ESRCH;
+
+       spin_lock(&files->file_lock);
+       fdt = files_fdtable(files);
+       if (fd >= fdt->max_fds)
+               goto out_unlock;
+       filp = fdt->fd[fd];
+       if (!filp)
+               goto out_unlock;
+       rcu_assign_pointer(fdt->fd[fd], NULL);
+       FD_CLR(fd, fdt->close_on_exec);
+       __put_unused_fd(files, fd);
+       spin_unlock(&files->file_lock);
+       retval = filp_close(filp, files);
+
+       /* can't restart close syscall because file table entry was cleared */
+       if (unlikely(retval == -ERESTARTSYS ||
+                    retval == -ERESTARTNOINTR ||
+                    retval == -ERESTARTNOHAND ||
+                    retval == -ERESTART_RESTARTBLOCK))
+               retval = -EINTR;
+
+       put_files_struct(files);
+       return retval;
+
+out_unlock:
+       spin_unlock(&files->file_lock);
+       put_files_struct(files);
+       return -EBADF;
+}
+
+static void binder_set_nice(long nice)
+{
+       long min_nice;
+       if (can_nice(current, nice)) {
+               set_user_nice(current, nice);
+               return;
+       }
+       min_nice = 20 - current->signal->rlim[RLIMIT_NICE].rlim_cur;
+       if (binder_debug_mask & BINDER_DEBUG_PRIORITY_CAP)
+               printk(KERN_INFO "binder: %d: nice value %ld not allowed use "
+                      "%ld instead\n", current->pid, nice, min_nice);
+       set_user_nice(current, min_nice);
+       if (min_nice < 20)
+               return;
+       binder_user_error("binder: %d RLIMIT_NICE not set\n", current->pid);
+}
+
+static size_t binder_buffer_size(
+       struct binder_proc *proc, struct binder_buffer *buffer)
+{
+       if (list_is_last(&buffer->entry, &proc->buffers))
+               return proc->buffer + proc->buffer_size - (void *)buffer->data;
+       else
+               return (size_t)list_entry(buffer->entry.next,
+                       struct binder_buffer, entry) - (size_t)buffer->data;
+}
+
+static void binder_insert_free_buffer(
+       struct binder_proc *proc, struct binder_buffer *new_buffer)
+{
+       struct rb_node **p = &proc->free_buffers.rb_node;
+       struct rb_node *parent = NULL;
+       struct binder_buffer *buffer;
+       size_t buffer_size;
+       size_t new_buffer_size;
+
+       BUG_ON(!new_buffer->free);
+
+       new_buffer_size = binder_buffer_size(proc, new_buffer);
+
+       if (binder_debug_mask & BINDER_DEBUG_BUFFER_ALLOC)
+               printk(KERN_INFO "binder: %d: add free buffer, size %d, "
+                      "at %p\n", proc->pid, new_buffer_size, new_buffer);
+
+       while (*p) {
+               parent = *p;
+               buffer = rb_entry(parent, struct binder_buffer, rb_node);
+               BUG_ON(!buffer->free);
+
+               buffer_size = binder_buffer_size(proc, buffer);
+
+               if (new_buffer_size < buffer_size)
+                       p = &parent->rb_left;
+               else
+                       p = &parent->rb_right;
+       }
+       rb_link_node(&new_buffer->rb_node, parent, p);
+       rb_insert_color(&new_buffer->rb_node, &proc->free_buffers);
+}
+
+static void binder_insert_allocated_buffer(
+       struct binder_proc *proc, struct binder_buffer *new_buffer)
+{
+       struct rb_node **p = &proc->allocated_buffers.rb_node;
+       struct rb_node *parent = NULL;
+       struct binder_buffer *buffer;
+
+       BUG_ON(new_buffer->free);
+
+       while (*p) {
+               parent = *p;
+               buffer = rb_entry(parent, struct binder_buffer, rb_node);
+               BUG_ON(buffer->free);
+
+               if (new_buffer < buffer)
+                       p = &parent->rb_left;
+               else if (new_buffer > buffer)
+                       p = &parent->rb_right;
+               else
+                       BUG();
+       }
+       rb_link_node(&new_buffer->rb_node, parent, p);
+       rb_insert_color(&new_buffer->rb_node, &proc->allocated_buffers);
+}
+
+static struct binder_buffer *binder_buffer_lookup(
+       struct binder_proc *proc, void __user *user_ptr)
+{
+       struct rb_node *n = proc->allocated_buffers.rb_node;
+       struct binder_buffer *buffer;
+       struct binder_buffer *kern_ptr;
+
+       kern_ptr = user_ptr - proc->user_buffer_offset
+               - offsetof(struct binder_buffer, data);
+
+       while (n) {
+               buffer = rb_entry(n, struct binder_buffer, rb_node);
+               BUG_ON(buffer->free);
+
+               if (kern_ptr < buffer)
+                       n = n->rb_left;
+               else if (kern_ptr > buffer)
+                       n = n->rb_right;
+               else
+                       return buffer;
+       }
+       return NULL;
+}
+
+static int binder_update_page_range(struct binder_proc *proc, int allocate,
+       void *start, void *end, struct vm_area_struct *vma)
+{
+       void *page_addr;
+       unsigned long user_page_addr;
+       struct vm_struct tmp_area;
+       struct page **page;
+       struct mm_struct *mm;
+
+       if (binder_debug_mask & BINDER_DEBUG_BUFFER_ALLOC)
+               printk(KERN_INFO "binder: %d: %s pages %p-%p\n",
+                      proc->pid, allocate ? "allocate" : "free", start, end);
+
+       if (end <= start)
+               return 0;
+
+       if (vma)
+               mm = NULL;
+       else
+               mm = get_task_mm(proc->tsk);
+
+       if (mm) {
+               down_write(&mm->mmap_sem);
+               vma = proc->vma;
+       }
+
+       if (allocate == 0)
+               goto free_range;
+
+       if (vma == NULL) {
+               printk(KERN_ERR "binder: %d: binder_alloc_buf failed to "
+                      "map pages in userspace, no vma\n", proc->pid);
+               goto err_no_vma;
+       }
+
+       for (page_addr = start; page_addr < end; page_addr += PAGE_SIZE) {
+               int ret;
+               struct page **page_array_ptr;
+               page = &proc->pages[(page_addr - proc->buffer) / PAGE_SIZE];
+
+               BUG_ON(*page);
+               *page = alloc_page(GFP_KERNEL | __GFP_ZERO);
+               if (*page == NULL) {
+                       printk(KERN_ERR "binder: %d: binder_alloc_buf failed "
+                              "for page at %p\n", proc->pid, page_addr);
+                       goto err_alloc_page_failed;
+               }
+               tmp_area.addr = page_addr;
+               tmp_area.size = PAGE_SIZE + PAGE_SIZE /* guard page? */;
+               page_array_ptr = page;
+               ret = map_vm_area(&tmp_area, PAGE_KERNEL, &page_array_ptr);
+               if (ret) {
+                       printk(KERN_ERR "binder: %d: binder_alloc_buf failed "
+                              "to map page at %p in kernel\n",
+                              proc->pid, page_addr);
+                       goto err_map_kernel_failed;
+               }
+               user_page_addr = (size_t)page_addr + proc->user_buffer_offset;
+               ret = vm_insert_page(vma, user_page_addr, page[0]);
+               if (ret) {
+                       printk(KERN_ERR "binder: %d: binder_alloc_buf failed "
+                              "to map page at %lx in userspace\n",
+                              proc->pid, user_page_addr);
+                       goto err_vm_insert_page_failed;
+               }
+               /* vm_insert_page does not seem to increment the refcount */
+       }
+       if (mm) {
+               up_write(&mm->mmap_sem);
+               mmput(mm);
+       }
+       return 0;
+
+free_range:
+       for (page_addr = end - PAGE_SIZE; page_addr >= start;
+            page_addr -= PAGE_SIZE) {
+               page = &proc->pages[(page_addr - proc->buffer) / PAGE_SIZE];
+               if (vma)
+                       zap_page_range(vma, (size_t)page_addr +
+                               proc->user_buffer_offset, PAGE_SIZE, NULL);
+err_vm_insert_page_failed:
+               unmap_kernel_range((unsigned long)page_addr, PAGE_SIZE);
+err_map_kernel_failed:
+               __free_page(*page);
+               *page = NULL;
+err_alloc_page_failed:
+               ;
+       }
+err_no_vma:
+       if (mm) {
+               up_write(&mm->mmap_sem);
+               mmput(mm);
+       }
+       return -ENOMEM;
+}
+
+static struct binder_buffer *binder_alloc_buf(struct binder_proc *proc,
+       size_t data_size, size_t offsets_size, int is_async)
+{
+       struct rb_node *n = proc->free_buffers.rb_node;
+       struct binder_buffer *buffer;
+       size_t buffer_size;
+       struct rb_node *best_fit = NULL;
+       void *has_page_addr;
+       void *end_page_addr;
+       size_t size;
+
+       if (proc->vma == NULL) {
+               printk(KERN_ERR "binder: %d: binder_alloc_buf, no vma\n",
+                      proc->pid);
+               return NULL;
+       }
+
+       size = ALIGN(data_size, sizeof(void *)) +
+               ALIGN(offsets_size, sizeof(void *));
+
+       if (size < data_size || size < offsets_size) {
+               binder_user_error("binder: %d: got transaction with invalid "
+                       "size %d-%d\n", proc->pid, data_size, offsets_size);
+               return NULL;
+       }
+
+       if (is_async &&
+           proc->free_async_space < size + sizeof(struct binder_buffer)) {
+               if (binder_debug_mask & BINDER_DEBUG_BUFFER_ALLOC)
+                       printk(KERN_ERR "binder: %d: binder_alloc_buf size %d f"
+                              "ailed, no async space left\n", proc->pid, size);
+               return NULL;
+       }
+
+       while (n) {
+               buffer = rb_entry(n, struct binder_buffer, rb_node);
+               BUG_ON(!buffer->free);
+               buffer_size = binder_buffer_size(proc, buffer);
+
+               if (size < buffer_size) {
+                       best_fit = n;
+                       n = n->rb_left;
+               } else if (size > buffer_size)
+                       n = n->rb_right;
+               else {
+                       best_fit = n;
+                       break;
+               }
+       }
+       if (best_fit == NULL) {
+               printk(KERN_ERR "binder: %d: binder_alloc_buf size %d failed, "
+                      "no address space\n", proc->pid, size);
+               return NULL;
+       }
+       if (n == NULL) {
+               buffer = rb_entry(best_fit, struct binder_buffer, rb_node);
+               buffer_size = binder_buffer_size(proc, buffer);
+       }
+       if (binder_debug_mask & BINDER_DEBUG_BUFFER_ALLOC)
+               printk(KERN_INFO "binder: %d: binder_alloc_buf size %d got buff"
+                      "er %p size %d\n", proc->pid, size, buffer, buffer_size);
+
+       has_page_addr =
+               (void *)(((size_t)buffer->data + buffer_size) & PAGE_MASK);
+       if (n == NULL) {
+               if (size + sizeof(struct binder_buffer) + 4 >= buffer_size)
+                       buffer_size = size; /* no room for other buffers */
+               else
+                       buffer_size = size + sizeof(struct binder_buffer);
+       }
+       end_page_addr = (void *)PAGE_ALIGN((size_t)buffer->data + buffer_size);
+       if (end_page_addr > has_page_addr)
+               end_page_addr = has_page_addr;
+       if (binder_update_page_range(proc, 1,
+           (void *)PAGE_ALIGN((size_t)buffer->data), end_page_addr, NULL))
+               return NULL;
+
+       rb_erase(best_fit, &proc->free_buffers);
+       buffer->free = 0;
+       binder_insert_allocated_buffer(proc, buffer);
+       if (buffer_size != size) {
+               struct binder_buffer *new_buffer = (void *)buffer->data + size;
+               list_add(&new_buffer->entry, &buffer->entry);
+               new_buffer->free = 1;
+               binder_insert_free_buffer(proc, new_buffer);
+       }
+       if (binder_debug_mask & BINDER_DEBUG_BUFFER_ALLOC)
+               printk(KERN_INFO "binder: %d: binder_alloc_buf size %d got "
+                      "%p\n", proc->pid, size, buffer);
+       buffer->data_size = data_size;
+       buffer->offsets_size = offsets_size;
+       buffer->async_transaction = is_async;
+       if (is_async) {
+               proc->free_async_space -= size + sizeof(struct binder_buffer);
+               if (binder_debug_mask & BINDER_DEBUG_BUFFER_ALLOC_ASYNC)
+                       printk(KERN_INFO "binder: %d: binder_alloc_buf size %d "
+                              "async free %d\n", proc->pid, size,
+                              proc->free_async_space);
+       }
+
+       return buffer;
+}
+
+static void *buffer_start_page(struct binder_buffer *buffer)
+{
+       return (void *)((size_t)buffer & PAGE_MASK);
+}
+
+static void *buffer_end_page(struct binder_buffer *buffer)
+{
+       return (void *)(((size_t)(buffer + 1) - 1) & PAGE_MASK);
+}
+
+static void binder_delete_free_buffer(
+       struct binder_proc *proc, struct binder_buffer *buffer)
+{
+       struct binder_buffer *prev, *next = NULL;
+       int free_page_end = 1;
+       int free_page_start = 1;
+
+       BUG_ON(proc->buffers.next == &buffer->entry);
+       prev = list_entry(buffer->entry.prev, struct binder_buffer, entry);
+       BUG_ON(!prev->free);
+       if (buffer_end_page(prev) == buffer_start_page(buffer)) {
+               free_page_start = 0;
+               if (buffer_end_page(prev) == buffer_end_page(buffer))
+                       free_page_end = 0;
+               if (binder_debug_mask & BINDER_DEBUG_BUFFER_ALLOC)
+                       printk(KERN_INFO "binder: %d: merge free, buffer %p "
+                              "share page with %p\n", proc->pid, buffer, prev);
+       }
+
+       if (!list_is_last(&buffer->entry, &proc->buffers)) {
+               next = list_entry(buffer->entry.next,
+                                 struct binder_buffer, entry);
+               if (buffer_start_page(next) == buffer_end_page(buffer)) {
+                       free_page_end = 0;
+                       if (buffer_start_page(next) ==
+                           buffer_start_page(buffer))
+                               free_page_start = 0;
+                       if (binder_debug_mask & BINDER_DEBUG_BUFFER_ALLOC)
+                               printk(KERN_INFO "binder: %d: merge free, "
+                                      "buffer %p share page with %p\n",
+                                      proc->pid, buffer, prev);
+               }
+       }
+       list_del(&buffer->entry);
+       if (free_page_start || free_page_end) {
+               if (binder_debug_mask & BINDER_DEBUG_BUFFER_ALLOC)
+                       printk(KERN_INFO "binder: %d: merge free, buffer %p do "
+                              "not share page%s%s with with %p or %p\n",
+                              proc->pid, buffer, free_page_start ? "" : " end",
+                              free_page_end ? "" : " start", prev, next);
+               binder_update_page_range(proc, 0, free_page_start ?
+                       buffer_start_page(buffer) : buffer_end_page(buffer),
+                       (free_page_end ? buffer_end_page(buffer) :
+                       buffer_start_page(buffer)) + PAGE_SIZE, NULL);
+       }
+}
+
+static void binder_free_buf(
+       struct binder_proc *proc, struct binder_buffer *buffer)
+{
+       size_t size, buffer_size;
+
+       buffer_size = binder_buffer_size(proc, buffer);
+
+       size = ALIGN(buffer->data_size, sizeof(void *)) +
+               ALIGN(buffer->offsets_size, sizeof(void *));
+       if (binder_debug_mask & BINDER_DEBUG_BUFFER_ALLOC)
+               printk(KERN_INFO "binder: %d: binder_free_buf %p size %d buffer"
+                      "_size %d\n", proc->pid, buffer, size, buffer_size);
+
+       BUG_ON(buffer->free);
+       BUG_ON(size > buffer_size);
+       BUG_ON(buffer->transaction != NULL);
+       BUG_ON((void *)buffer < proc->buffer);
+       BUG_ON((void *)buffer > proc->buffer + proc->buffer_size);
+
+       if (buffer->async_transaction) {
+               proc->free_async_space += size + sizeof(struct binder_buffer);
+               if (binder_debug_mask & BINDER_DEBUG_BUFFER_ALLOC_ASYNC)
+                       printk(KERN_INFO "binder: %d: binder_free_buf size %d "
+                              "async free %d\n", proc->pid, size,
+                              proc->free_async_space);
+       }
+
+       binder_update_page_range(proc, 0,
+               (void *)PAGE_ALIGN((size_t)buffer->data),
+               (void *)(((size_t)buffer->data + buffer_size) & PAGE_MASK),
+               NULL);
+       rb_erase(&buffer->rb_node, &proc->allocated_buffers);
+       buffer->free = 1;
+       if (!list_is_last(&buffer->entry, &proc->buffers)) {
+               struct binder_buffer *next = list_entry(buffer->entry.next,
+                                               struct binder_buffer, entry);
+               if (next->free) {
+                       rb_erase(&next->rb_node, &proc->free_buffers);
+                       binder_delete_free_buffer(proc, next);
+               }
+       }
+       if (proc->buffers.next != &buffer->entry) {
+               struct binder_buffer *prev = list_entry(buffer->entry.prev,
+                                               struct binder_buffer, entry);
+               if (prev->free) {
+                       binder_delete_free_buffer(proc, buffer);
+                       rb_erase(&prev->rb_node, &proc->free_buffers);
+                       buffer = prev;
+               }
+       }
+       binder_insert_free_buffer(proc, buffer);
+}
+
+static struct binder_node *
+binder_get_node(struct binder_proc *proc, void __user *ptr)
+{
+       struct rb_node *n = proc->nodes.rb_node;
+       struct binder_node *node;
+
+       while (n) {
+               node = rb_entry(n, struct binder_node, rb_node);
+
+               if (ptr < node->ptr)
+                       n = n->rb_left;
+               else if (ptr > node->ptr)
+                       n = n->rb_right;
+               else
+                       return node;
+       }
+       return NULL;
+}
+
+static struct binder_node *
+binder_new_node(struct binder_proc *proc, void __user *ptr, void __user *cookie)
+{
+       struct rb_node **p = &proc->nodes.rb_node;
+       struct rb_node *parent = NULL;
+       struct binder_node *node;
+
+       while (*p) {
+               parent = *p;
+               node = rb_entry(parent, struct binder_node, rb_node);
+
+               if (ptr < node->ptr)
+                       p = &(*p)->rb_left;
+               else if (ptr > node->ptr)
+                       p = &(*p)->rb_right;
+               else
+                       return NULL;
+       }
+
+       node = kzalloc(sizeof(*node), GFP_KERNEL);
+       if (node == NULL)
+               return NULL;
+       binder_stats.obj_created[BINDER_STAT_NODE]++;
+       rb_link_node(&node->rb_node, parent, p);
+       rb_insert_color(&node->rb_node, &proc->nodes);
+       node->debug_id = ++binder_last_id;
+       node->proc = proc;
+       node->ptr = ptr;
+       node->cookie = cookie;
+       node->work.type = BINDER_WORK_NODE;
+       INIT_LIST_HEAD(&node->work.entry);
+       INIT_LIST_HEAD(&node->async_todo);
+       if (binder_debug_mask & BINDER_DEBUG_INTERNAL_REFS)
+               printk(KERN_INFO "binder: %d:%d node %d u%p c%p created\n",
+                      proc->pid, current->pid, node->debug_id,
+                      node->ptr, node->cookie);
+       return node;
+}
+
+static int
+binder_inc_node(struct binder_node *node, int strong, int internal,
+               struct list_head *target_list)
+{
+       if (strong) {
+               if (internal) {
+                       if (target_list == NULL &&
+                           node->internal_strong_refs == 0 &&
+                           !(node == binder_context_mgr_node &&
+                           node->has_strong_ref)) {
+                               printk(KERN_ERR "binder: invalid inc strong "
+                                       "node for %d\n", node->debug_id);
+                               return -EINVAL;
+                       }
+                       node->internal_strong_refs++;
+               } else
+                       node->local_strong_refs++;
+               if (!node->has_strong_ref && target_list) {
+                       list_del_init(&node->work.entry);
+                       list_add_tail(&node->work.entry, target_list);
+               }
+       } else {
+               if (!internal)
+                       node->local_weak_refs++;
+               if (!node->has_weak_ref && list_empty(&node->work.entry)) {
+                       if (target_list == NULL) {
+                               printk(KERN_ERR "binder: invalid inc weak node "
+                                       "for %d\n", node->debug_id);
+                               return -EINVAL;
+                       }
+                       list_add_tail(&node->work.entry, target_list);
+               }
+       }
+       return 0;
+}
+
+static int
+binder_dec_node(struct binder_node *node, int strong, int internal)
+{
+       if (strong) {
+               if (internal)
+                       node->internal_strong_refs--;
+               else
+                       node->local_strong_refs--;
+               if (node->local_strong_refs || node->internal_strong_refs)
+                       return 0;
+       } else {
+               if (!internal)
+                       node->local_weak_refs--;
+               if (node->local_weak_refs || !hlist_empty(&node->refs))
+                       return 0;
+       }
+       if (node->proc && (node->has_strong_ref || node->has_weak_ref)) {
+               if (list_empty(&node->work.entry)) {
+                       list_add_tail(&node->work.entry, &node->proc->todo);
+                       wake_up_interruptible(&node->proc->wait);
+               }
+       } else {
+               if (hlist_empty(&node->refs) && !node->local_strong_refs &&
+                   !node->local_weak_refs) {
+                       list_del_init(&node->work.entry);
+                       if (node->proc) {
+                               rb_erase(&node->rb_node, &node->proc->nodes);
+                               if (binder_debug_mask & BINDER_DEBUG_INTERNAL_REFS)
+                                       printk(KERN_INFO "binder: refless node %d deleted\n", node->debug_id);
+                       } else {
+                               hlist_del(&node->dead_node);
+                               if (binder_debug_mask & BINDER_DEBUG_INTERNAL_REFS)
+                                       printk(KERN_INFO "binder: dead node %d deleted\n", node->debug_id);
+                       }
+                       kfree(node);
+                       binder_stats.obj_deleted[BINDER_STAT_NODE]++;
+               }
+       }
+
+       return 0;
+}
+
+
+static struct binder_ref *
+binder_get_ref(struct binder_proc *proc, uint32_t desc)
+{
+       struct rb_node *n = proc->refs_by_desc.rb_node;
+       struct binder_ref *ref;
+
+       while (n) {
+               ref = rb_entry(n, struct binder_ref, rb_node_desc);
+
+               if (desc < ref->desc)
+                       n = n->rb_left;
+               else if (desc > ref->desc)
+                       n = n->rb_right;
+               else
+                       return ref;
+       }
+       return NULL;
+}
+
+static struct binder_ref *
+binder_get_ref_for_node(struct binder_proc *proc, struct binder_node *node)
+{
+       struct rb_node *n;
+       struct rb_node **p = &proc->refs_by_node.rb_node;
+       struct rb_node *parent = NULL;
+       struct binder_ref *ref, *new_ref;
+
+       while (*p) {
+               parent = *p;
+               ref = rb_entry(parent, struct binder_ref, rb_node_node);
+
+               if (node < ref->node)
+                       p = &(*p)->rb_left;
+               else if (node > ref->node)
+                       p = &(*p)->rb_right;
+               else
+                       return ref;
+       }
+       new_ref = kzalloc(sizeof(*ref), GFP_KERNEL);
+       if (new_ref == NULL)
+               return NULL;
+       binder_stats.obj_created[BINDER_STAT_REF]++;
+       new_ref->debug_id = ++binder_last_id;
+       new_ref->proc = proc;
+       new_ref->node = node;
+       rb_link_node(&new_ref->rb_node_node, parent, p);
+       rb_insert_color(&new_ref->rb_node_node, &proc->refs_by_node);
+
+       new_ref->desc = (node == binder_context_mgr_node) ? 0 : 1;
+       for (n = rb_first(&proc->refs_by_desc); n != NULL; n = rb_next(n)) {
+               ref = rb_entry(n, struct binder_ref, rb_node_desc);
+               if (ref->desc > new_ref->desc)
+                       break;
+               new_ref->desc = ref->desc + 1;
+       }
+
+       p = &proc->refs_by_desc.rb_node;
+       while (*p) {
+               parent = *p;
+               ref = rb_entry(parent, struct binder_ref, rb_node_desc);
+
+               if (new_ref->desc < ref->desc)
+                       p = &(*p)->rb_left;
+               else if (new_ref->desc > ref->desc)
+                       p = &(*p)->rb_right;
+               else
+                       BUG();
+       }
+       rb_link_node(&new_ref->rb_node_desc, parent, p);
+       rb_insert_color(&new_ref->rb_node_desc, &proc->refs_by_desc);
+       if (node) {
+               hlist_add_head(&new_ref->node_entry, &node->refs);
+               if (binder_debug_mask & BINDER_DEBUG_INTERNAL_REFS)
+                       printk(KERN_INFO "binder: %d new ref %d desc %d for "
+                               "node %d\n", proc->pid, new_ref->debug_id,
+                               new_ref->desc, node->debug_id);
+       } else {
+               if (binder_debug_mask & BINDER_DEBUG_INTERNAL_REFS)
+                       printk(KERN_INFO "binder: %d new ref %d desc %d for "
+                               "dead node\n", proc->pid, new_ref->debug_id,
+                               new_ref->desc);
+       }
+       return new_ref;
+}
+
+static void
+binder_delete_ref(struct binder_ref *ref)
+{
+       if (binder_debug_mask & BINDER_DEBUG_INTERNAL_REFS)
+               printk(KERN_INFO "binder: %d delete ref %d desc %d for "
+                       "node %d\n", ref->proc->pid, ref->debug_id,
+                       ref->desc, ref->node->debug_id);
+       rb_erase(&ref->rb_node_desc, &ref->proc->refs_by_desc);
+       rb_erase(&ref->rb_node_node, &ref->proc->refs_by_node);
+       if (ref->strong)
+               binder_dec_node(ref->node, 1, 1);
+       hlist_del(&ref->node_entry);
+       binder_dec_node(ref->node, 0, 1);
+       if (ref->death) {
+               if (binder_debug_mask & BINDER_DEBUG_DEAD_BINDER)
+                       printk(KERN_INFO "binder: %d delete ref %d desc %d "
+                               "has death notification\n", ref->proc->pid,
+                               ref->debug_id, ref->desc);
+               list_del(&ref->death->work.entry);
+               kfree(ref->death);
+               binder_stats.obj_deleted[BINDER_STAT_DEATH]++;
+       }
+       kfree(ref);
+       binder_stats.obj_deleted[BINDER_STAT_REF]++;
+}
+
+static int
+binder_inc_ref(
+       struct binder_ref *ref, int strong, struct list_head *target_list)
+{
+       int ret;
+       if (strong) {
+               if (ref->strong == 0) {
+                       ret = binder_inc_node(ref->node, 1, 1, target_list);
+                       if (ret)
+                               return ret;
+               }
+               ref->strong++;
+       } else {
+               if (ref->weak == 0) {
+                       ret = binder_inc_node(ref->node, 0, 1, target_list);
+                       if (ret)
+                               return ret;
+               }
+               ref->weak++;
+       }
+       return 0;
+}
+
+
+static int
+binder_dec_ref(struct binder_ref *ref, int strong)
+{
+       if (strong) {
+               if (ref->strong == 0) {
+                       binder_user_error("binder: %d invalid dec strong, "
+                                         "ref %d desc %d s %d w %d\n",
+                                         ref->proc->pid, ref->debug_id,
+                                         ref->desc, ref->strong, ref->weak);
+                       return -EINVAL;
+               }
+               ref->strong--;
+               if (ref->strong == 0) {
+                       int ret;
+                       ret = binder_dec_node(ref->node, strong, 1);
+                       if (ret)
+                               return ret;
+               }
+       } else {
+               if (ref->weak == 0) {
+                       binder_user_error("binder: %d invalid dec weak, "
+                                         "ref %d desc %d s %d w %d\n",
+                                         ref->proc->pid, ref->debug_id,
+                                         ref->desc, ref->strong, ref->weak);
+                       return -EINVAL;
+               }
+               ref->weak--;
+       }
+       if (ref->strong == 0 && ref->weak == 0)
+               binder_delete_ref(ref);
+       return 0;
+}
+
+static void
+binder_pop_transaction(
+       struct binder_thread *target_thread, struct binder_transaction *t)
+{
+       if (target_thread) {
+               BUG_ON(target_thread->transaction_stack != t);
+               BUG_ON(target_thread->transaction_stack->from != target_thread);
+               target_thread->transaction_stack =
+                       target_thread->transaction_stack->from_parent;
+               t->from = NULL;
+       }
+       t->need_reply = 0;
+       if (t->buffer)
+               t->buffer->transaction = NULL;
+       kfree(t);
+       binder_stats.obj_deleted[BINDER_STAT_TRANSACTION]++;
+}
+
+static void
+binder_send_failed_reply(struct binder_transaction *t, uint32_t error_code)
+{
+       struct binder_thread *target_thread;
+       BUG_ON(t->flags & TF_ONE_WAY);
+       while (1) {
+               target_thread = t->from;
+               if (target_thread) {
+                       if (target_thread->return_error != BR_OK &&
+                          target_thread->return_error2 == BR_OK) {
+                               target_thread->return_error2 =
+                                       target_thread->return_error;
+                               target_thread->return_error = BR_OK;
+                       }
+                       if (target_thread->return_error == BR_OK) {
+                               if (binder_debug_mask & BINDER_DEBUG_FAILED_TRANSACTION)
+                                       printk(KERN_INFO "binder: send failed reply for transaction %d to %d:%d\n",
+                                              t->debug_id, target_thread->proc->pid, target_thread->pid);
+
+                               binder_pop_transaction(target_thread, t);
+                               target_thread->return_error = error_code;
+                               wake_up_interruptible(&target_thread->wait);
+                       } else {
+                               printk(KERN_ERR "binder: reply failed, target "
+                                       "thread, %d:%d, has error code %d "
+                                       "already\n", target_thread->proc->pid,
+                                       target_thread->pid,
+                                       target_thread->return_error);
+                       }
+                       return;
+               } else {
+                       struct binder_transaction *next = t->from_parent;
+
+                       if (binder_debug_mask & BINDER_DEBUG_FAILED_TRANSACTION)
+                               printk(KERN_INFO "binder: send failed reply "
+                                       "for transaction %d, target dead\n",
+                                       t->debug_id);
+
+                       binder_pop_transaction(target_thread, t);
+                       if (next == NULL) {
+                               if (binder_debug_mask & BINDER_DEBUG_DEAD_BINDER)
+                                       printk(KERN_INFO "binder: reply failed,"
+                                               " no target thread at root\n");
+                               return;
+                       }
+                       t = next;
+                       if (binder_debug_mask & BINDER_DEBUG_DEAD_BINDER)
+                               printk(KERN_INFO "binder: reply failed, no targ"
+                                       "et thread -- retry %d\n", t->debug_id);
+               }
+       }
+}
+
+static void
+binder_transaction_buffer_release(struct binder_proc *proc,
+                       struct binder_buffer *buffer, size_t *failed_at);
+
+static void
+binder_transaction(struct binder_proc *proc, struct binder_thread *thread,
+       struct binder_transaction_data *tr, int reply)
+{
+       struct binder_transaction *t;
+       struct binder_work *tcomplete;
+       size_t *offp, *off_end;
+       struct binder_proc *target_proc;
+       struct binder_thread *target_thread = NULL;
+       struct binder_node *target_node = NULL;
+       struct list_head *target_list;
+       wait_queue_head_t *target_wait;
+       struct binder_transaction *in_reply_to = NULL;
+       struct binder_transaction_log_entry *e;
+       uint32_t return_error;
+
+       e = binder_transaction_log_add(&binder_transaction_log);
+       e->call_type = reply ? 2 : !!(tr->flags & TF_ONE_WAY);
+       e->from_proc = proc->pid;
+       e->from_thread = thread->pid;
+       e->target_handle = tr->target.handle;
+       e->data_size = tr->data_size;
+       e->offsets_size = tr->offsets_size;
+
+       if (reply) {
+               in_reply_to = thread->transaction_stack;
+               if (in_reply_to == NULL) {
+                       binder_user_error("binder: %d:%d got reply transaction "
+                                         "with no transaction stack\n",
+                                         proc->pid, thread->pid);
+                       return_error = BR_FAILED_REPLY;
+                       goto err_empty_call_stack;
+               }
+               binder_set_nice(in_reply_to->saved_priority);
+               if (in_reply_to->to_thread != thread) {
+                       binder_user_error("binder: %d:%d got reply transaction "
+                               "with bad transaction stack,"
+                               " transaction %d has target %d:%d\n",
+                               proc->pid, thread->pid, in_reply_to->debug_id,
+                               in_reply_to->to_proc ?
+                               in_reply_to->to_proc->pid : 0,
+                               in_reply_to->to_thread ?
+                               in_reply_to->to_thread->pid : 0);
+                       return_error = BR_FAILED_REPLY;
+                       in_reply_to = NULL;
+                       goto err_bad_call_stack;
+               }
+               thread->transaction_stack = in_reply_to->to_parent;
+               target_thread = in_reply_to->from;
+               if (target_thread == NULL) {
+                       return_error = BR_DEAD_REPLY;
+                       goto err_dead_binder;
+               }
+               if (target_thread->transaction_stack != in_reply_to) {
+                       binder_user_error("binder: %d:%d got reply transaction "
+                               "with bad target transaction stack %d, "
+                               "expected %d\n",
+                               proc->pid, thread->pid,
+                               target_thread->transaction_stack ?
+                               target_thread->transaction_stack->debug_id : 0,
+                               in_reply_to->debug_id);
+                       return_error = BR_FAILED_REPLY;
+                       in_reply_to = NULL;
+                       target_thread = NULL;
+                       goto err_dead_binder;
+               }
+               target_proc = target_thread->proc;
+       } else {
+               if (tr->target.handle) {
+                       struct binder_ref *ref;
+                       ref = binder_get_ref(proc, tr->target.handle);
+                       if (ref == NULL) {
+                               binder_user_error("binder: %d:%d got "
+                                       "transaction to invalid handle\n",
+                                       proc->pid, thread->pid);
+                               return_error = BR_FAILED_REPLY;
+                               goto err_invalid_target_handle;
+                       }
+                       target_node = ref->node;
+               } else {
+                       target_node = binder_context_mgr_node;
+                       if (target_node == NULL) {
+                               return_error = BR_DEAD_REPLY;
+                               goto err_no_context_mgr_node;
+                       }
+               }
+               e->to_node = target_node->debug_id;
+               target_proc = target_node->proc;
+               if (target_proc == NULL) {
+                       return_error = BR_DEAD_REPLY;
+                       goto err_dead_binder;
+               }
+               if (!(tr->flags & TF_ONE_WAY) && thread->transaction_stack) {
+                       struct binder_transaction *tmp;
+                       tmp = thread->transaction_stack;
+                       while (tmp) {
+                               if (tmp->from && tmp->from->proc == target_proc)
+                                       target_thread = tmp->from;
+                               tmp = tmp->from_parent;
+                       }
+               }
+       }
+       if (target_thread) {
+               e->to_thread = target_thread->pid;
+               target_list = &target_thread->todo;
+               target_wait = &target_thread->wait;
+       } else {
+               target_list = &target_proc->todo;
+               target_wait = &target_proc->wait;
+       }
+       e->to_proc = target_proc->pid;
+
+       /* TODO: reuse incoming transaction for reply */
+       t = kzalloc(sizeof(*t), GFP_KERNEL);
+       if (t == NULL) {
+               return_error = BR_FAILED_REPLY;
+               goto err_alloc_t_failed;
+       }
+       binder_stats.obj_created[BINDER_STAT_TRANSACTION]++;
+
+       tcomplete = kzalloc(sizeof(*tcomplete), GFP_KERNEL);
+       if (tcomplete == NULL) {
+               return_error = BR_FAILED_REPLY;
+               goto err_alloc_tcomplete_failed;
+       }
+       binder_stats.obj_created[BINDER_STAT_TRANSACTION_COMPLETE]++;
+
+       t->debug_id = ++binder_last_id;
+       e->debug_id = t->debug_id;
+
+       if (binder_debug_mask & BINDER_DEBUG_TRANSACTION) {
+               if (reply)
+                       printk(KERN_INFO "binder: %d:%d BC_REPLY %d -> %d:%d, "
+                              "data %p-%p size %d-%d\n",
+                              proc->pid, thread->pid, t->debug_id,
+                              target_proc->pid, target_thread->pid,
+                              tr->data.ptr.buffer, tr->data.ptr.offsets,
+                              tr->data_size, tr->offsets_size);
+               else
+                       printk(KERN_INFO "binder: %d:%d BC_TRANSACTION %d -> "
+                              "%d - node %d, data %p-%p size %d-%d\n",
+                              proc->pid, thread->pid, t->debug_id,
+                              target_proc->pid, target_node->debug_id,
+                              tr->data.ptr.buffer, tr->data.ptr.offsets,
+                              tr->data_size, tr->offsets_size);
+       }
+
+       if (!reply && !(tr->flags & TF_ONE_WAY))
+               t->from = thread;
+       else
+               t->from = NULL;
+       t->sender_euid = proc->tsk->euid;
+       t->to_proc = target_proc;
+       t->to_thread = target_thread;
+       t->code = tr->code;
+       t->flags = tr->flags;
+       t->priority = task_nice(current);
+       t->buffer = binder_alloc_buf(target_proc, tr->data_size,
+               tr->offsets_size, !reply && (t->flags & TF_ONE_WAY));
+       if (t->buffer == NULL) {
+               return_error = BR_FAILED_REPLY;
+               goto err_binder_alloc_buf_failed;
+       }
+       t->buffer->allow_user_free = 0;
+       t->buffer->debug_id = t->debug_id;
+       t->buffer->transaction = t;
+       t->buffer->target_node = target_node;
+       if (target_node)
+               binder_inc_node(target_node, 1, 0, NULL);
+
+       offp = (size_t *)(t->buffer->data + ALIGN(tr->data_size, sizeof(void *)));
+
+       if (copy_from_user(t->buffer->data, tr->data.ptr.buffer, tr->data_size)) {
+               binder_user_error("binder: %d:%d got transaction with invalid "
+                       "data ptr\n", proc->pid, thread->pid);
+               return_error = BR_FAILED_REPLY;
+               goto err_copy_data_failed;
+       }
+       if (copy_from_user(offp, tr->data.ptr.offsets, tr->offsets_size)) {
+               binder_user_error("binder: %d:%d got transaction with invalid "
+                       "offsets ptr\n", proc->pid, thread->pid);
+               return_error = BR_FAILED_REPLY;
+               goto err_copy_data_failed;
+       }
+       off_end = (void *)offp + tr->offsets_size;
+       for (; offp < off_end; offp++) {
+               struct flat_binder_object *fp;
+               if (*offp > t->buffer->data_size - sizeof(*fp)) {
+                       binder_user_error("binder: %d:%d got transaction with "
+                               "invalid offset, %d\n",
+                               proc->pid, thread->pid, *offp);
+                       return_error = BR_FAILED_REPLY;
+                       goto err_bad_offset;
+               }
+               fp = (struct flat_binder_object *)(t->buffer->data + *offp);
+               switch (fp->type) {
+               case BINDER_TYPE_BINDER:
+               case BINDER_TYPE_WEAK_BINDER: {
+                       struct binder_ref *ref;
+                       struct binder_node *node = binder_get_node(proc, fp->binder);
+                       if (node == NULL) {
+                               node = binder_new_node(proc, fp->binder, fp->cookie);
+                               if (node == NULL) {
+                                       return_error = BR_FAILED_REPLY;
+                                       goto err_binder_new_node_failed;
+                               }
+                               node->min_priority = fp->flags & FLAT_BINDER_FLAG_PRIORITY_MASK;
+                               node->accept_fds = !!(fp->flags & FLAT_BINDER_FLAG_ACCEPTS_FDS);
+                       }
+                       if (fp->cookie != node->cookie) {
+                               binder_user_error("binder: %d:%d sending u%p "
+                                       "node %d, cookie mismatch %p != %p\n",
+                                       proc->pid, thread->pid,
+                                       fp->binder, node->debug_id,
+                                       fp->cookie, node->cookie);
+                               goto err_binder_get_ref_for_node_failed;
+                       }
+                       ref = binder_get_ref_for_node(target_proc, node);
+                       if (ref == NULL) {
+                               return_error = BR_FAILED_REPLY;
+                               goto err_binder_get_ref_for_node_failed;
+                       }
+                       if (fp->type == BINDER_TYPE_BINDER)
+                               fp->type = BINDER_TYPE_HANDLE;
+                       else
+                               fp->type = BINDER_TYPE_WEAK_HANDLE;
+                       fp->handle = ref->desc;
+                       binder_inc_ref(ref, fp->type == BINDER_TYPE_HANDLE, &thread->todo);
+                       if (binder_debug_mask & BINDER_DEBUG_TRANSACTION)
+                               printk(KERN_INFO "        node %d u%p -> ref %d desc %d\n",
+                                      node->debug_id, node->ptr, ref->debug_id, ref->desc);
+               } break;
+               case BINDER_TYPE_HANDLE:
+               case BINDER_TYPE_WEAK_HANDLE: {
+                       struct binder_ref *ref = binder_get_ref(proc, fp->handle);
+                       if (ref == NULL) {
+                               binder_user_error("binder: %d:%d got "
+                                       "transaction with invalid "
+                                       "handle, %ld\n", proc->pid,
+                                       thread->pid, fp->handle);
+                               return_error = BR_FAILED_REPLY;
+                               goto err_binder_get_ref_failed;
+                       }
+                       if (ref->node->proc == target_proc) {
+                               if (fp->type == BINDER_TYPE_HANDLE)
+                                       fp->type = BINDER_TYPE_BINDER;
+                               else
+                                       fp->type = BINDER_TYPE_WEAK_BINDER;
+                               fp->binder = ref->node->ptr;
+                               fp->cookie = ref->node->cookie;
+                               binder_inc_node(ref->node, fp->type == BINDER_TYPE_BINDER, 0, NULL);
+                               if (binder_debug_mask & BINDER_DEBUG_TRANSACTION)
+                                       printk(KERN_INFO "        ref %d desc %d -> node %d u%p\n",
+                                              ref->debug_id, ref->desc, ref->node->debug_id, ref->node->ptr);
+                       } else {
+                               struct binder_ref *new_ref;
+                               new_ref = binder_get_ref_for_node(target_proc, ref->node);
+                               if (new_ref == NULL) {
+                                       return_error = BR_FAILED_REPLY;
+                                       goto err_binder_get_ref_for_node_failed;
+                               }
+                               fp->handle = new_ref->desc;
+                               binder_inc_ref(new_ref, fp->type == BINDER_TYPE_HANDLE, NULL);
+                               if (binder_debug_mask & BINDER_DEBUG_TRANSACTION)
+                                       printk(KERN_INFO "        ref %d desc %d -> ref %d desc %d (node %d)\n",
+                                              ref->debug_id, ref->desc, new_ref->debug_id, new_ref->desc, ref->node->debug_id);
+                       }
+               } break;
+
+               case BINDER_TYPE_FD: {
+                       int target_fd;
+                       struct file *file;
+
+                       if (reply) {
+                               if (!(in_reply_to->flags & TF_ACCEPT_FDS)) {
+                                       binder_user_error("binder: %d:%d got reply with fd, %ld, but target does not allow fds\n",
+                                               proc->pid, thread->pid, fp->handle);
+                                       return_error = BR_FAILED_REPLY;
+                                       goto err_fd_not_allowed;
+                               }
+                       } else if (!target_node->accept_fds) {
+                               binder_user_error("binder: %d:%d got transaction with fd, %ld, but target does not allow fds\n",
+                                       proc->pid, thread->pid, fp->handle);
+                               return_error = BR_FAILED_REPLY;
+                               goto err_fd_not_allowed;
+                       }
+
+                       file = fget(fp->handle);
+                       if (file == NULL) {
+                               binder_user_error("binder: %d:%d got transaction with invalid fd, %ld\n",
+                                       proc->pid, thread->pid, fp->handle);
+                               return_error = BR_FAILED_REPLY;
+                               goto err_fget_failed;
+                       }
+                       target_fd = task_get_unused_fd_flags(target_proc->tsk, O_CLOEXEC);
+                       if (target_fd < 0) {
+                               fput(file);
+                               return_error = BR_FAILED_REPLY;
+                               goto err_get_unused_fd_failed;
+                       }
+                       task_fd_install(target_proc->tsk, target_fd, file);
+                       if (binder_debug_mask & BINDER_DEBUG_TRANSACTION)
+                               printk(KERN_INFO "        fd %ld -> %d\n", fp->handle, target_fd);
+                       /* TODO: fput? */
+                       fp->handle = target_fd;
+               } break;
+
+               default:
+                       binder_user_error("binder: %d:%d got transactio"
+                               "n with invalid object type, %lx\n",
+                               proc->pid, thread->pid, fp->type);
+                       return_error = BR_FAILED_REPLY;
+                       goto err_bad_object_type;
+               }
+       }
+       if (reply) {
+               BUG_ON(t->buffer->async_transaction != 0);
+               binder_pop_transaction(target_thread, in_reply_to);
+       } else if (!(t->flags & TF_ONE_WAY)) {
+               BUG_ON(t->buffer->async_transaction != 0);
+               t->need_reply = 1;
+               t->from_parent = thread->transaction_stack;
+               thread->transaction_stack = t;
+       } else {
+               BUG_ON(target_node == NULL);
+               BUG_ON(t->buffer->async_transaction != 1);
+               if (target_node->has_async_transaction) {
+                       target_list = &target_node->async_todo;
+                       target_wait = NULL;
+               } else
+                       target_node->has_async_transaction = 1;
+       }
+       t->work.type = BINDER_WORK_TRANSACTION;
+       list_add_tail(&t->work.entry, target_list);
+       tcomplete->type = BINDER_WORK_TRANSACTION_COMPLETE;
+       list_add_tail(&tcomplete->entry, &thread->todo);
+       if (target_wait)
+               wake_up_interruptible(target_wait);
+       return;
+
+err_get_unused_fd_failed:
+err_fget_failed:
+err_fd_not_allowed:
+err_binder_get_ref_for_node_failed:
+err_binder_get_ref_failed:
+err_binder_new_node_failed:
+err_bad_object_type:
+err_bad_offset:
+err_copy_data_failed:
+       binder_transaction_buffer_release(target_proc, t->buffer, offp);
+       t->buffer->transaction = NULL;
+       binder_free_buf(target_proc, t->buffer);
+err_binder_alloc_buf_failed:
+       kfree(tcomplete);
+       binder_stats.obj_deleted[BINDER_STAT_TRANSACTION_COMPLETE]++;
+err_alloc_tcomplete_failed:
+       kfree(t);
+       binder_stats.obj_deleted[BINDER_STAT_TRANSACTION]++;
+err_alloc_t_failed:
+err_bad_call_stack:
+err_empty_call_stack:
+err_dead_binder:
+err_invalid_target_handle:
+err_no_context_mgr_node:
+       if (binder_debug_mask & BINDER_DEBUG_FAILED_TRANSACTION)
+               printk(KERN_INFO "binder: %d:%d transaction failed %d, size %d-%d\n",
+                          proc->pid, thread->pid, return_error,
+                          tr->data_size, tr->offsets_size);
+
+       {
+               struct binder_transaction_log_entry *fe;
+               fe = binder_transaction_log_add(&binder_transaction_log_failed);
+               *fe = *e;
+       }
+
+       BUG_ON(thread->return_error != BR_OK);
+       if (in_reply_to) {
+               thread->return_error = BR_TRANSACTION_COMPLETE;
+               binder_send_failed_reply(in_reply_to, return_error);
+       } else
+               thread->return_error = return_error;
+}
+
+static void
+binder_transaction_buffer_release(struct binder_proc *proc, struct binder_buffer *buffer, size_t *failed_at)
+{
+       size_t *offp, *off_end;
+       int debug_id = buffer->debug_id;
+
+       if (binder_debug_mask & BINDER_DEBUG_TRANSACTION)
+               printk(KERN_INFO "binder: %d buffer release %d, size %d-%d, failed at %p\n",
+                          proc->pid, buffer->debug_id,
+                          buffer->data_size, buffer->offsets_size, failed_at);
+
+       if (buffer->target_node)
+               binder_dec_node(buffer->target_node, 1, 0);
+
+       offp = (size_t *)(buffer->data + ALIGN(buffer->data_size, sizeof(void *)));
+       if (failed_at)
+               off_end = failed_at;
+       else
+               off_end = (void *)offp + buffer->offsets_size;
+       for (; offp < off_end; offp++) {
+               struct flat_binder_object *fp;
+               if (*offp > buffer->data_size - sizeof(*fp)) {
+                       printk(KERN_ERR "binder: transaction release %d bad offset %d, size %d\n", debug_id, *offp, buffer->data_size);
+                       continue;
+               }
+               fp = (struct flat_binder_object *)(buffer->data + *offp);
+               switch (fp->type) {
+               case BINDER_TYPE_BINDER:
+               case BINDER_TYPE_WEAK_BINDER: {
+                       struct binder_node *node = binder_get_node(proc, fp->binder);
+                       if (node == NULL) {
+                               printk(KERN_ERR "binder: transaction release %d bad node %p\n", debug_id, fp->binder);
+                               break;
+                       }
+                       if (binder_debug_mask & BINDER_DEBUG_TRANSACTION)
+                               printk(KERN_INFO "        node %d u%p\n",
+                                      node->debug_id, node->ptr);
+                       binder_dec_node(node, fp->type == BINDER_TYPE_BINDER, 0);
+               } break;
+               case BINDER_TYPE_HANDLE:
+               case BINDER_TYPE_WEAK_HANDLE: {
+                       struct binder_ref *ref = binder_get_ref(proc, fp->handle);
+                       if (ref == NULL) {
+                               printk(KERN_ERR "binder: transaction release %d bad handle %ld\n", debug_id, fp->handle);
+                               break;
+                       }
+                       if (binder_debug_mask & BINDER_DEBUG_TRANSACTION)
+                               printk(KERN_INFO "        ref %d desc %d (node %d)\n",
+                                      ref->debug_id, ref->desc, ref->node->debug_id);
+                       binder_dec_ref(ref, fp->type == BINDER_TYPE_HANDLE);
+               } break;
+
+               case BINDER_TYPE_FD:
+                       if (binder_debug_mask & BINDER_DEBUG_TRANSACTION)
+                               printk(KERN_INFO "        fd %ld\n", fp->handle);
+                       if (failed_at)
+                               task_close_fd(proc->tsk, fp->handle);
+                       break;
+
+               default:
+                       printk(KERN_ERR "binder: transaction release %d bad object type %lx\n", debug_id, fp->type);
+                       break;
+               }
+       }
+}
+
+int
+binder_thread_write(struct binder_proc *proc, struct binder_thread *thread,
+                   void __user *buffer, int size, signed long *consumed)
+{
+       uint32_t cmd;
+       void __user *ptr = buffer + *consumed;
+       void __user *end = buffer + size;
+
+       while (ptr < end && thread->return_error == BR_OK) {
+               if (get_user(cmd, (uint32_t __user *)ptr))
+                       return -EFAULT;
+               ptr += sizeof(uint32_t);
+               if (_IOC_NR(cmd) < ARRAY_SIZE(binder_stats.bc)) {
+                       binder_stats.bc[_IOC_NR(cmd)]++;
+                       proc->stats.bc[_IOC_NR(cmd)]++;
+                       thread->stats.bc[_IOC_NR(cmd)]++;
+               }
+               switch (cmd) {
+               case BC_INCREFS:
+               case BC_ACQUIRE:
+               case BC_RELEASE:
+               case BC_DECREFS: {
+                       uint32_t target;
+                       struct binder_ref *ref;
+                       const char *debug_string;
+
+                       if (get_user(target, (uint32_t __user *)ptr))
+                               return -EFAULT;
+                       ptr += sizeof(uint32_t);
+                       if (target == 0 && binder_context_mgr_node &&
+                           (cmd == BC_INCREFS || cmd == BC_ACQUIRE)) {
+                               ref = binder_get_ref_for_node(proc,
+                                              binder_context_mgr_node);
+                               if (ref->desc != target) {
+                                       binder_user_error("binder: %d:"
+                                               "%d tried to acquire "
+                                               "reference to desc 0, "
+                                               "got %d instead\n",
+                                               proc->pid, thread->pid,
+                                               ref->desc);
+                               }
+                       } else
+                               ref = binder_get_ref(proc, target);
+                       if (ref == NULL) {
+                               binder_user_error("binder: %d:%d refcou"
+                                       "nt change on invalid ref %d\n",
+                                       proc->pid, thread->pid, target);
+                               break;
+                       }
+                       switch (cmd) {
+                       case BC_INCREFS:
+                               debug_string = "IncRefs";
+                               binder_inc_ref(ref, 0, NULL);
+                               break;
+                       case BC_ACQUIRE:
+                               debug_string = "Acquire";
+                               binder_inc_ref(ref, 1, NULL);
+                               break;
+                       case BC_RELEASE:
+                               debug_string = "Release";
+                               binder_dec_ref(ref, 1);
+                               break;
+                       case BC_DECREFS:
+                       default:
+                               debug_string = "DecRefs";
+                               binder_dec_ref(ref, 0);
+                               break;
+                       }
+                       if (binder_debug_mask & BINDER_DEBUG_USER_REFS)
+                               printk(KERN_INFO "binder: %d:%d %s ref %d desc %d s %d w %d for node %d\n",
+                                      proc->pid, thread->pid, debug_string, ref->debug_id, ref->desc, ref->strong, ref->weak, ref->node->debug_id);
+                       break;
+               }
+               case BC_INCREFS_DONE:
+               case BC_ACQUIRE_DONE: {
+                       void __user *node_ptr;
+                       void *cookie;
+                       struct binder_node *node;
+
+                       if (get_user(node_ptr, (void * __user *)ptr))
+                               return -EFAULT;
+                       ptr += sizeof(void *);
+                       if (get_user(cookie, (void * __user *)ptr))
+                               return -EFAULT;
+                       ptr += sizeof(void *);
+                       node = binder_get_node(proc, node_ptr);
+                       if (node == NULL) {
+                               binder_user_error("binder: %d:%d "
+                                       "%s u%p no match\n",
+                                       proc->pid, thread->pid,
+                                       cmd == BC_INCREFS_DONE ?
+                                       "BC_INCREFS_DONE" :
+                                       "BC_ACQUIRE_DONE",
+                                       node_ptr);
+                               break;
+                       }
+                       if (cookie != node->cookie) {
+                               binder_user_error("binder: %d:%d %s u%p node %d"
+                                       " cookie mismatch %p != %p\n",
+                                       proc->pid, thread->pid,
+                                       cmd == BC_INCREFS_DONE ?
+                                       "BC_INCREFS_DONE" : "BC_ACQUIRE_DONE",
+                                       node_ptr, node->debug_id,
+                                       cookie, node->cookie);
+                               break;
+                       }
+                       if (cmd == BC_ACQUIRE_DONE) {
+                               if (node->pending_strong_ref == 0) {
+                                       binder_user_error("binder: %d:%d "
+                                               "BC_ACQUIRE_DONE node %d has "
+                                               "no pending acquire request\n",
+                                               proc->pid, thread->pid,
+                                               node->debug_id);
+                                       break;
+                               }
+                               node->pending_strong_ref = 0;
+                       } else {
+                               if (node->pending_weak_ref == 0) {
+                                       binder_user_error("binder: %d:%d "
+                                               "BC_INCREFS_DONE node %d has "
+                                               "no pending increfs request\n",
+                                               proc->pid, thread->pid,
+                                               node->debug_id);
+                                       break;
+                               }
+                               node->pending_weak_ref = 0;
+                       }
+                       binder_dec_node(node, cmd == BC_ACQUIRE_DONE, 0);
+                       if (binder_debug_mask & BINDER_DEBUG_USER_REFS)
+                               printk(KERN_INFO "binder: %d:%d %s node %d ls %d lw %d\n",
+                                      proc->pid, thread->pid, cmd == BC_INCREFS_DONE ? "BC_INCREFS_DONE" : "BC_ACQUIRE_DONE", node->debug_id, node->local_strong_refs, node->local_weak_refs);
+                       break;
+               }
+               case BC_ATTEMPT_ACQUIRE:
+                       printk(KERN_ERR "binder: BC_ATTEMPT_ACQUIRE not supported\n");
+                       return -EINVAL;
+               case BC_ACQUIRE_RESULT:
+                       printk(KERN_ERR "binder: BC_ACQUIRE_RESULT not supported\n");
+                       return -EINVAL;
+
+               case BC_FREE_BUFFER: {
+                       void __user *data_ptr;
+                       struct binder_buffer *buffer;
+
+                       if (get_user(data_ptr, (void * __user *)ptr))
+                               return -EFAULT;
+                       ptr += sizeof(void *);
+
+                       buffer = binder_buffer_lookup(proc, data_ptr);
+                       if (buffer == NULL) {
+                               binder_user_error("binder: %d:%d "
+                                       "BC_FREE_BUFFER u%p no match\n",
+                                       proc->pid, thread->pid, data_ptr);
+                               break;
+                       }
+                       if (!buffer->allow_user_free) {
+                               binder_user_error("binder: %d:%d "
+                                       "BC_FREE_BUFFER u%p matched "
+                                       "unreturned buffer\n",
+                                       proc->pid, thread->pid, data_ptr);
+                               break;
+                       }
+                       if (binder_debug_mask & BINDER_DEBUG_FREE_BUFFER)
+                               printk(KERN_INFO "binder: %d:%d BC_FREE_BUFFER u%p found buffer %d for %s transaction\n",
+                                      proc->pid, thread->pid, data_ptr, buffer->debug_id,
+                                      buffer->transaction ? "active" : "finished");
+
+                       if (buffer->transaction) {
+                               buffer->transaction->buffer = NULL;
+                               buffer->transaction = NULL;
+                       }
+                       if (buffer->async_transaction && buffer->target_node) {
+                               BUG_ON(!buffer->target_node->has_async_transaction);
+                               if (list_empty(&buffer->target_node->async_todo))
+                                       buffer->target_node->has_async_transaction = 0;
+                               else
+                                       list_move_tail(buffer->target_node->async_todo.next, &thread->todo);
+                       }
+                       binder_transaction_buffer_release(proc, buffer, NULL);
+                       binder_free_buf(proc, buffer);
+                       break;
+               }
+
+               case BC_TRANSACTION:
+               case BC_REPLY: {
+                       struct binder_transaction_data tr;
+
+                       if (copy_from_user(&tr, ptr, sizeof(tr)))
+                               return -EFAULT;
+                       ptr += sizeof(tr);
+                       binder_transaction(proc, thread, &tr, cmd == BC_REPLY);
+                       break;
+               }
+
+               case BC_REGISTER_LOOPER:
+                       if (binder_debug_mask & BINDER_DEBUG_THREADS)
+                               printk(KERN_INFO "binder: %d:%d BC_REGISTER_LOOPER\n",
+                                      proc->pid, thread->pid);
+                       if (thread->looper & BINDER_LOOPER_STATE_ENTERED) {
+                               thread->looper |= BINDER_LOOPER_STATE_INVALID;
+                               binder_user_error("binder: %d:%d ERROR:"
+                                       " BC_REGISTER_LOOPER called "
+                                       "after BC_ENTER_LOOPER\n",
+                                       proc->pid, thread->pid);
+                       } else if (proc->requested_threads == 0) {
+                               thread->looper |= BINDER_LOOPER_STATE_INVALID;
+                               binder_user_error("binder: %d:%d ERROR:"
+                                       " BC_REGISTER_LOOPER called "
+                                       "without request\n",
+                                       proc->pid, thread->pid);
+                       } else {
+                               proc->requested_threads--;
+                               proc->requested_threads_started++;
+                       }
+                       thread->looper |= BINDER_LOOPER_STATE_REGISTERED;
+                       break;
+               case BC_ENTER_LOOPER:
+                       if (binder_debug_mask & BINDER_DEBUG_THREADS)
+                               printk(KERN_INFO "binder: %d:%d BC_ENTER_LOOPER\n",
+                                      proc->pid, thread->pid);
+                       if (thread->looper & BINDER_LOOPER_STATE_REGISTERED) {
+                               thread->looper |= BINDER_LOOPER_STATE_INVALID;
+                               binder_user_error("binder: %d:%d ERROR:"
+                                       " BC_ENTER_LOOPER called after "
+                                       "BC_REGISTER_LOOPER\n",
+                                       proc->pid, thread->pid);
+                       }
+                       thread->looper |= BINDER_LOOPER_STATE_ENTERED;
+                       break;
+               case BC_EXIT_LOOPER:
+                       if (binder_debug_mask & BINDER_DEBUG_THREADS)
+                               printk(KERN_INFO "binder: %d:%d BC_EXIT_LOOPER\n",
+                                      proc->pid, thread->pid);
+                       thread->looper |= BINDER_LOOPER_STATE_EXITED;
+                       break;
+
+               case BC_REQUEST_DEATH_NOTIFICATION:
+               case BC_CLEAR_DEATH_NOTIFICATION: {
+                       uint32_t target;
+                       void __user *cookie;
+                       struct binder_ref *ref;
+                       struct binder_ref_death *death;
+
+                       if (get_user(target, (uint32_t __user *)ptr))
+                               return -EFAULT;
+                       ptr += sizeof(uint32_t);
+                       if (get_user(cookie, (void __user * __user *)ptr))
+                               return -EFAULT;
+                       ptr += sizeof(void *);
+                       ref = binder_get_ref(proc, target);
+                       if (ref == NULL) {
+                               binder_user_error("binder: %d:%d %s "
+                                       "invalid ref %d\n",
+                                       proc->pid, thread->pid,
+                                       cmd == BC_REQUEST_DEATH_NOTIFICATION ?
+                                       "BC_REQUEST_DEATH_NOTIFICATION" :
+                                       "BC_CLEAR_DEATH_NOTIFICATION",
+                                       target);
+                               break;
+                       }
+
+                       if (binder_debug_mask & BINDER_DEBUG_DEATH_NOTIFICATION)
+                               printk(KERN_INFO "binder: %d:%d %s %p ref %d desc %d s %d w %d for node %d\n",
+                                      proc->pid, thread->pid,
+                                      cmd == BC_REQUEST_DEATH_NOTIFICATION ?
+                                      "BC_REQUEST_DEATH_NOTIFICATION" :
+                                      "BC_CLEAR_DEATH_NOTIFICATION",
+                                      cookie, ref->debug_id, ref->desc,
+                                      ref->strong, ref->weak, ref->node->debug_id);
+
+                       if (cmd == BC_REQUEST_DEATH_NOTIFICATION) {
+                               if (ref->death) {
+                                       binder_user_error("binder: %d:%"
+                                               "d BC_REQUEST_DEATH_NOTI"
+                                               "FICATION death notific"
+                                               "ation already set\n",
+                                               proc->pid, thread->pid);
+                                       break;
+                               }
+                               death = kzalloc(sizeof(*death), GFP_KERNEL);
+                               if (death == NULL) {
+                                       thread->return_error = BR_ERROR;
+                                       if (binder_debug_mask & BINDER_DEBUG_FAILED_TRANSACTION)
+                                               printk(KERN_INFO "binder: %d:%d "
+                                                       "BC_REQUEST_DEATH_NOTIFICATION failed\n",
+                                                       proc->pid, thread->pid);
+                                       break;
+                               }
+                               binder_stats.obj_created[BINDER_STAT_DEATH]++;
+                               INIT_LIST_HEAD(&death->work.entry);
+                               death->cookie = cookie;
+                               ref->death = death;
+                               if (ref->node->proc == NULL) {
+                                       ref->death->work.type = BINDER_WORK_DEAD_BINDER;
+                                       if (thread->looper & (BINDER_LOOPER_STATE_REGISTERED | BINDER_LOOPER_STATE_ENTERED)) {
+                                               list_add_tail(&ref->death->work.entry, &thread->todo);
+                                       } else {
+                                               list_add_tail(&ref->death->work.entry, &proc->todo);
+                                               wake_up_interruptible(&proc->wait);
+                                       }
+                               }
+                       } else {
+                               if (ref->death == NULL) {
+                                       binder_user_error("binder: %d:%"
+                                               "d BC_CLEAR_DEATH_NOTIFI"
+                                               "CATION death notificat"
+                                               "ion not active\n",
+                                               proc->pid, thread->pid);
+                                       break;
+                               }
+                               death = ref->death;
+                               if (death->cookie != cookie) {
+                                       binder_user_error("binder: %d:%"
+                                               "d BC_CLEAR_DEATH_NOTIFI"
+                                               "CATION death notificat"
+                                               "ion cookie mismatch "
+                                               "%p != %p\n",
+                                               proc->pid, thread->pid,
+                                               death->cookie, cookie);
+                                       break;
+                               }
+                               ref->death = NULL;
+                               if (list_empty(&death->work.entry)) {
+                                       death->work.type = BINDER_WORK_CLEAR_DEATH_NOTIFICATION;
+                                       if (thread->looper & (BINDER_LOOPER_STATE_REGISTERED | BINDER_LOOPER_STATE_ENTERED)) {
+                                               list_add_tail(&death->work.entry, &thread->todo);
+                                       } else {
+                                               list_add_tail(&death->work.entry, &proc->todo);
+                                               wake_up_interruptible(&proc->wait);
+                                       }
+                               } else {
+                                       BUG_ON(death->work.type != BINDER_WORK_DEAD_BINDER);
+                                       death->work.type = BINDER_WORK_DEAD_BINDER_AND_CLEAR;
+                               }
+                       }
+               } break;
+               case BC_DEAD_BINDER_DONE: {
+                       struct binder_work *w;
+                       void __user *cookie;
+                       struct binder_ref_death *death = NULL;
+                       if (get_user(cookie, (void __user * __user *)ptr))
+                               return -EFAULT;
+
+                       ptr += sizeof(void *);
+                       list_for_each_entry(w, &proc->delivered_death, entry) {
+                               struct binder_ref_death *tmp_death = container_of(w, struct binder_ref_death, work);
+                               if (tmp_death->cookie == cookie) {
+                                       death = tmp_death;
+                                       break;
+                               }
+                       }
+                       if (binder_debug_mask & BINDER_DEBUG_DEAD_BINDER)
+                               printk(KERN_INFO "binder: %d:%d BC_DEAD_BINDER_DONE %p found %p\n",
+                                      proc->pid, thread->pid, cookie, death);
+                       if (death == NULL) {
+                               binder_user_error("binder: %d:%d BC_DEAD"
+                                       "_BINDER_DONE %p not found\n",
+                                       proc->pid, thread->pid, cookie);
+                               break;
+                       }
+
+                       list_del_init(&death->work.entry);
+                       if (death->work.type == BINDER_WORK_DEAD_BINDER_AND_CLEAR) {
+                               death->work.type = BINDER_WORK_CLEAR_DEATH_NOTIFICATION;
+                               if (thread->looper & (BINDER_LOOPER_STATE_REGISTERED | BINDER_LOOPER_STATE_ENTERED)) {
+                                       list_add_tail(&death->work.entry, &thread->todo);
+                               } else {
+                                       list_add_tail(&death->work.entry, &proc->todo);
+                                       wake_up_interruptible(&proc->wait);
+                               }
+                       }
+               } break;
+
+               default:
+                       printk(KERN_ERR "binder: %d:%d unknown command %d\n", proc->pid, thread->pid, cmd);
+                       return -EINVAL;
+               }
+               *consumed = ptr - buffer;
+       }
+       return 0;
+}
+
+void
+binder_stat_br(struct binder_proc *proc, struct binder_thread *thread, uint32_t cmd)
+{
+       if (_IOC_NR(cmd) < ARRAY_SIZE(binder_stats.br)) {
+               binder_stats.br[_IOC_NR(cmd)]++;
+               proc->stats.br[_IOC_NR(cmd)]++;
+               thread->stats.br[_IOC_NR(cmd)]++;
+       }
+}
+
+static int
+binder_has_proc_work(struct binder_proc *proc, struct binder_thread *thread)
+{
+       return !list_empty(&proc->todo) || (thread->looper & BINDER_LOOPER_STATE_NEED_RETURN);
+}
+
+static int
+binder_has_thread_work(struct binder_thread *thread)
+{
+       return !list_empty(&thread->todo) || thread->return_error != BR_OK ||
+               (thread->looper & BINDER_LOOPER_STATE_NEED_RETURN);
+}
+
+static int
+binder_thread_read(struct binder_proc *proc, struct binder_thread *thread,
+       void  __user *buffer, int size, signed long *consumed, int non_block)
+{
+       void __user *ptr = buffer + *consumed;
+       void __user *end = buffer + size;
+
+       int ret = 0;
+       int wait_for_proc_work;
+
+       if (*consumed == 0) {
+               if (put_user(BR_NOOP, (uint32_t __user *)ptr))
+                       return -EFAULT;
+               ptr += sizeof(uint32_t);
+       }
+
+retry:
+       wait_for_proc_work = thread->transaction_stack == NULL && list_empty(&thread->todo);
+
+       if (thread->return_error != BR_OK && ptr < end) {
+               if (thread->return_error2 != BR_OK) {
+                       if (put_user(thread->return_error2, (uint32_t __user *)ptr))
+                               return -EFAULT;
+                       ptr += sizeof(uint32_t);
+                       if (ptr == end)
+                               goto done;
+                       thread->return_error2 = BR_OK;
+               }
+               if (put_user(thread->return_error, (uint32_t __user *)ptr))
+                       return -EFAULT;
+               ptr += sizeof(uint32_t);
+               thread->return_error = BR_OK;
+               goto done;
+       }
+
+
+       thread->looper |= BINDER_LOOPER_STATE_WAITING;
+       if (wait_for_proc_work)
+               proc->ready_threads++;
+       mutex_unlock(&binder_lock);
+       if (wait_for_proc_work) {
+               if (!(thread->looper & (BINDER_LOOPER_STATE_REGISTERED |
+                                       BINDER_LOOPER_STATE_ENTERED))) {
+                       binder_user_error("binder: %d:%d ERROR: Thread waiting "
+                               "for process work before calling BC_REGISTER_"
+                               "LOOPER or BC_ENTER_LOOPER (state %x)\n",
+                               proc->pid, thread->pid, thread->looper);
+                       wait_event_interruptible(binder_user_error_wait, binder_stop_on_user_error < 2);
+               }
+               binder_set_nice(proc->default_priority);
+               if (non_block) {
+                       if (!binder_has_proc_work(proc, thread))
+                               ret = -EAGAIN;
+               } else
+                       ret = wait_event_interruptible_exclusive(proc->wait, binder_has_proc_work(proc, thread));
+       } else {
+               if (non_block) {
+                       if (!binder_has_thread_work(thread))
+                               ret = -EAGAIN;
+               } else
+                       ret = wait_event_interruptible(thread->wait, binder_has_thread_work(thread));
+       }
+       mutex_lock(&binder_lock);
+       if (wait_for_proc_work)
+               proc->ready_threads--;
+       thread->looper &= ~BINDER_LOOPER_STATE_WAITING;
+
+       if (ret)
+               return ret;
+
+       while (1) {
+               uint32_t cmd;
+               struct binder_transaction_data tr;
+               struct binder_work *w;
+               struct binder_transaction *t = NULL;
+
+               if (!list_empty(&thread->todo))
+                       w = list_first_entry(&thread->todo, struct binder_work, entry);
+               else if (!list_empty(&proc->todo) && wait_for_proc_work)
+                       w = list_first_entry(&proc->todo, struct binder_work, entry);
+               else {
+                       if (ptr - buffer == 4 && !(thread->looper & BINDER_LOOPER_STATE_NEED_RETURN)) /* no data added */
+                               goto retry;
+                       break;
+               }
+
+               if (end - ptr < sizeof(tr) + 4)
+                       break;
+
+               switch (w->type) {
+               case BINDER_WORK_TRANSACTION: {
+                       t = container_of(w, struct binder_transaction, work);
+               } break;
+               case BINDER_WORK_TRANSACTION_COMPLETE: {
+                       cmd = BR_TRANSACTION_COMPLETE;
+                       if (put_user(cmd, (uint32_t __user *)ptr))
+                               return -EFAULT;
+                       ptr += sizeof(uint32_t);
+
+                       binder_stat_br(proc, thread, cmd);
+                       if (binder_debug_mask & BINDER_DEBUG_TRANSACTION_COMPLETE)
+                               printk(KERN_INFO "binder: %d:%d BR_TRANSACTION_COMPLETE\n",
+                                      proc->pid, thread->pid);
+
+                       list_del(&w->entry);
+                       kfree(w);
+                       binder_stats.obj_deleted[BINDER_STAT_TRANSACTION_COMPLETE]++;
+               } break;
+               case BINDER_WORK_NODE: {
+                       struct binder_node *node = container_of(w, struct binder_node, work);
+                       uint32_t cmd = BR_NOOP;
+                       const char *cmd_name;
+                       int strong = node->internal_strong_refs || node->local_strong_refs;
+                       int weak = !hlist_empty(&node->refs) || node->local_weak_refs || strong;
+                       if (weak && !node->has_weak_ref) {
+                               cmd = BR_INCREFS;
+                               cmd_name = "BR_INCREFS";
+                               node->has_weak_ref = 1;
+                               node->pending_weak_ref = 1;
+                               node->local_weak_refs++;
+                       } else if (strong && !node->has_strong_ref) {
+                               cmd = BR_ACQUIRE;
+                               cmd_name = "BR_ACQUIRE";
+                               node->has_strong_ref = 1;
+                               node->pending_strong_ref = 1;
+                               node->local_strong_refs++;
+                       } else if (!strong && node->has_strong_ref) {
+                               cmd = BR_RELEASE;
+                               cmd_name = "BR_RELEASE";
+                               node->has_strong_ref = 0;
+                       } else if (!weak && node->has_weak_ref) {
+                               cmd = BR_DECREFS;
+                               cmd_name = "BR_DECREFS";
+                               node->has_weak_ref = 0;
+                       }
+                       if (cmd != BR_NOOP) {
+                               if (put_user(cmd, (uint32_t __user *)ptr))
+                                       return -EFAULT;
+                               ptr += sizeof(uint32_t);
+                               if (put_user(node->ptr, (void * __user *)ptr))
+                                       return -EFAULT;
+                               ptr += sizeof(void *);
+                               if (put_user(node->cookie, (void * __user *)ptr))
+                                       return -EFAULT;
+                               ptr += sizeof(void *);
+
+                               binder_stat_br(proc, thread, cmd);
+                               if (binder_debug_mask & BINDER_DEBUG_USER_REFS)
+                                       printk(KERN_INFO "binder: %d:%d %s %d u%p c%p\n",
+                                              proc->pid, thread->pid, cmd_name, node->debug_id, node->ptr, node->cookie);
+                       } else {
+                               list_del_init(&w->entry);
+                               if (!weak && !strong) {
+                                       if (binder_debug_mask & BINDER_DEBUG_INTERNAL_REFS)
+                                               printk(KERN_INFO "binder: %d:%d node %d u%p c%p deleted\n",
+                                                      proc->pid, thread->pid, node->debug_id, node->ptr, node->cookie);
+                                       rb_erase(&node->rb_node, &proc->nodes);
+                                       kfree(node);
+                                       binder_stats.obj_deleted[BINDER_STAT_NODE]++;
+                               } else {
+                                       if (binder_debug_mask & BINDER_DEBUG_INTERNAL_REFS)
+                                               printk(KERN_INFO "binder: %d:%d node %d u%p c%p state unchanged\n",
+                                                      proc->pid, thread->pid, node->debug_id, node->ptr, node->cookie);
+                               }
+                       }
+               } break;
+               case BINDER_WORK_DEAD_BINDER:
+               case BINDER_WORK_DEAD_BINDER_AND_CLEAR:
+               case BINDER_WORK_CLEAR_DEATH_NOTIFICATION: {
+                       struct binder_ref_death *death = container_of(w, struct binder_ref_death, work);
+                       uint32_t cmd;
+                       if (w->type == BINDER_WORK_CLEAR_DEATH_NOTIFICATION)
+                               cmd = BR_CLEAR_DEATH_NOTIFICATION_DONE;
+                       else
+                               cmd = BR_DEAD_BINDER;
+                       if (put_user(cmd, (uint32_t __user *)ptr))
+                               return -EFAULT;
+                       ptr += sizeof(uint32_t);
+                       if (put_user(death->cookie, (void * __user *)ptr))
+                               return -EFAULT;
+                       ptr += sizeof(void *);
+                       if (binder_debug_mask & BINDER_DEBUG_DEATH_NOTIFICATION)
+                               printk(KERN_INFO "binder: %d:%d %s %p\n",
+                                      proc->pid, thread->pid,
+                                      cmd == BR_DEAD_BINDER ?
+                                      "BR_DEAD_BINDER" :
+                                      "BR_CLEAR_DEATH_NOTIFICATION_DONE",
+                                      death->cookie);
+
+                       if (w->type == BINDER_WORK_CLEAR_DEATH_NOTIFICATION) {
+                               list_del(&w->entry);
+                               kfree(death);
+                               binder_stats.obj_deleted[BINDER_STAT_DEATH]++;
+                       } else
+                               list_move(&w->entry, &proc->delivered_death);
+                       if (cmd == BR_DEAD_BINDER)
+                               goto done; /* DEAD_BINDER notifications can cause transactions */
+               } break;
+               }
+
+               if (!t)
+                       continue;
+
+               BUG_ON(t->buffer == NULL);
+               if (t->buffer->target_node) {
+                       struct binder_node *target_node = t->buffer->target_node;
+                       tr.target.ptr = target_node->ptr;
+                       tr.cookie =  target_node->cookie;
+                       t->saved_priority = task_nice(current);
+                       if (t->priority < target_node->min_priority &&
+                           !(t->flags & TF_ONE_WAY))
+                               binder_set_nice(t->priority);
+                       else if (!(t->flags & TF_ONE_WAY) ||
+                                t->saved_priority > target_node->min_priority)
+                               binder_set_nice(target_node->min_priority);
+                       cmd = BR_TRANSACTION;
+               } else {
+                       tr.target.ptr = NULL;
+                       tr.cookie = NULL;
+                       cmd = BR_REPLY;
+               }
+               tr.code = t->code;
+               tr.flags = t->flags;
+               tr.sender_euid = t->sender_euid;
+
+               if (t->from) {
+                       struct task_struct *sender = t->from->proc->tsk;
+                       tr.sender_pid = task_tgid_nr_ns(sender, current->nsproxy->pid_ns);
+               } else {
+                       tr.sender_pid = 0;
+               }
+
+               tr.data_size = t->buffer->data_size;
+               tr.offsets_size = t->buffer->offsets_size;
+               tr.data.ptr.buffer = (void *)((void *)t->buffer->data + proc->user_buffer_offset);
+               tr.data.ptr.offsets = tr.data.ptr.buffer + ALIGN(t->buffer->data_size, sizeof(void *));
+
+               if (put_user(cmd, (uint32_t __user *)ptr))
+                       return -EFAULT;
+               ptr += sizeof(uint32_t);
+               if (copy_to_user(ptr, &tr, sizeof(tr)))
+                       return -EFAULT;
+               ptr += sizeof(tr);
+
+               binder_stat_br(proc, thread, cmd);
+               if (binder_debug_mask & BINDER_DEBUG_TRANSACTION)
+                       printk(KERN_INFO "binder: %d:%d %s %d %d:%d, cmd %d size %d-%d ptr %p-%p\n",
+                              proc->pid, thread->pid,
+                              (cmd == BR_TRANSACTION) ? "BR_TRANSACTION" : "BR_REPLY",
+                              t->debug_id, t->from ? t->from->proc->pid : 0,
+                              t->from ? t->from->pid : 0, cmd,
+                              t->buffer->data_size, t->buffer->offsets_size,
+                              tr.data.ptr.buffer, tr.data.ptr.offsets);
+
+               list_del(&t->work.entry);
+               t->buffer->allow_user_free = 1;
+               if (cmd == BR_TRANSACTION && !(t->flags & TF_ONE_WAY)) {
+                       t->to_parent = thread->transaction_stack;
+                       t->to_thread = thread;
+                       thread->transaction_stack = t;
+               } else {
+                       t->buffer->transaction = NULL;
+                       kfree(t);
+                       binder_stats.obj_deleted[BINDER_STAT_TRANSACTION]++;
+               }
+               break;
+       }
+
+done:
+
+       *consumed = ptr - buffer;
+       if (proc->requested_threads + proc->ready_threads == 0 &&
+           proc->requested_threads_started < proc->max_threads &&
+           (thread->looper & (BINDER_LOOPER_STATE_REGISTERED |
+            BINDER_LOOPER_STATE_ENTERED)) /* the user-space code fails to */
+            /*spawn a new thread if we leave this out */) {
+               proc->requested_threads++;
+               if (binder_debug_mask & BINDER_DEBUG_THREADS)
+                       printk(KERN_INFO "binder: %d:%d BR_SPAWN_LOOPER\n",
+                              proc->pid, thread->pid);
+               if (put_user(BR_SPAWN_LOOPER, (uint32_t __user *)buffer))
+                       return -EFAULT;
+       }
+       return 0;
+}
+
+static void binder_release_work(struct list_head *list)
+{
+       struct binder_work *w;
+       while (!list_empty(list)) {
+               w = list_first_entry(list, struct binder_work, entry);
+               list_del_init(&w->entry);
+               switch (w->type) {
+               case BINDER_WORK_TRANSACTION: {
+                       struct binder_transaction *t = container_of(w, struct binder_transaction, work);
+                       if (t->buffer->target_node && !(t->flags & TF_ONE_WAY))
+                               binder_send_failed_reply(t, BR_DEAD_REPLY);
+               } break;
+               case BINDER_WORK_TRANSACTION_COMPLETE: {
+                       kfree(w);
+                       binder_stats.obj_deleted[BINDER_STAT_TRANSACTION_COMPLETE]++;
+               } break;
+               default:
+                       break;
+               }
+       }
+
+}
+
+static struct binder_thread *binder_get_thread(struct binder_proc *proc)
+{
+       struct binder_thread *thread = NULL;
+       struct rb_node *parent = NULL;
+       struct rb_node **p = &proc->threads.rb_node;
+
+       while (*p) {
+               parent = *p;
+               thread = rb_entry(parent, struct binder_thread, rb_node);
+
+               if (current->pid < thread->pid)
+                       p = &(*p)->rb_left;
+               else if (current->pid > thread->pid)
+                       p = &(*p)->rb_right;
+               else
+                       break;
+       }
+       if (*p == NULL) {
+               thread = kzalloc(sizeof(*thread), GFP_KERNEL);
+               if (thread == NULL)
+                       return NULL;
+               binder_stats.obj_created[BINDER_STAT_THREAD]++;
+               thread->proc = proc;
+               thread->pid = current->pid;
+               init_waitqueue_head(&thread->wait);
+               INIT_LIST_HEAD(&thread->todo);
+               rb_link_node(&thread->rb_node, parent, p);
+               rb_insert_color(&thread->rb_node, &proc->threads);
+               thread->looper |= BINDER_LOOPER_STATE_NEED_RETURN;
+               thread->return_error = BR_OK;
+               thread->return_error2 = BR_OK;
+       }
+       return thread;
+}
+
+static int binder_free_thread(struct binder_proc *proc, struct binder_thread *thread)
+{
+       struct binder_transaction *t;
+       struct binder_transaction *send_reply = NULL;
+       int active_transactions = 0;
+
+       rb_erase(&thread->rb_node, &proc->threads);
+       t = thread->transaction_stack;
+       if (t && t->to_thread == thread)
+               send_reply = t;
+       while (t) {
+               active_transactions++;
+               if (binder_debug_mask & BINDER_DEBUG_DEAD_TRANSACTION)
+                       printk(KERN_INFO "binder: release %d:%d transaction %d %s, still active\n",
+                              proc->pid, thread->pid, t->debug_id, (t->to_thread == thread) ? "in" : "out");
+               if (t->to_thread == thread) {
+                       t->to_proc = NULL;
+                       t->to_thread = NULL;
+                       if (t->buffer) {
+                               t->buffer->transaction = NULL;
+                               t->buffer = NULL;
+                       }
+                       t = t->to_parent;
+               } else if (t->from == thread) {
+                       t->from = NULL;
+                       t = t->from_parent;
+               } else
+                       BUG();
+       }
+       if (send_reply)
+               binder_send_failed_reply(send_reply, BR_DEAD_REPLY);
+       binder_release_work(&thread->todo);
+       kfree(thread);
+       binder_stats.obj_deleted[BINDER_STAT_THREAD]++;
+       return active_transactions;
+}
+
+static unsigned int binder_poll(struct file *filp, struct poll_table_struct *wait)
+{
+       struct binder_proc *proc = filp->private_data;
+       struct binder_thread *thread = NULL;
+       int wait_for_proc_work;
+
+       mutex_lock(&binder_lock);
+       thread = binder_get_thread(proc);
+
+       wait_for_proc_work = thread->transaction_stack == NULL &&
+               list_empty(&thread->todo) && thread->return_error == BR_OK;
+       mutex_unlock(&binder_lock);
+
+       if (wait_for_proc_work) {
+               if (binder_has_proc_work(proc, thread))
+                       return POLLIN;
+               poll_wait(filp, &proc->wait, wait);
+               if (binder_has_proc_work(proc, thread))
+                       return POLLIN;
+       } else {
+               if (binder_has_thread_work(thread))
+                       return POLLIN;
+               poll_wait(filp, &thread->wait, wait);
+               if (binder_has_thread_work(thread))
+                       return POLLIN;
+       }
+       return 0;
+}
+
+static long binder_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
+{
+       int ret;
+       struct binder_proc *proc = filp->private_data;
+       struct binder_thread *thread;
+       unsigned int size = _IOC_SIZE(cmd);
+       void __user *ubuf = (void __user *)arg;
+
+       /*printk(KERN_INFO "binder_ioctl: %d:%d %x %lx\n", proc->pid, current->pid, cmd, arg);*/
+
+       ret = wait_event_interruptible(binder_user_error_wait, binder_stop_on_user_error < 2);
+       if (ret)
+               return ret;
+
+       mutex_lock(&binder_lock);
+       thread = binder_get_thread(proc);
+       if (thread == NULL) {
+               ret = -ENOMEM;
+               goto err;
+       }
+
+       switch (cmd) {
+       case BINDER_WRITE_READ: {
+               struct binder_write_read bwr;
+               if (size != sizeof(struct binder_write_read)) {
+                       ret = -EINVAL;
+                       goto err;
+               }
+               if (copy_from_user(&bwr, ubuf, sizeof(bwr))) {
+                       ret = -EFAULT;
+                       goto err;
+               }
+               if (binder_debug_mask & BINDER_DEBUG_READ_WRITE)
+                       printk(KERN_INFO "binder: %d:%d write %ld at %08lx, read %ld at %08lx\n",
+                              proc->pid, thread->pid, bwr.write_size, bwr.write_buffer, bwr.read_size, bwr.read_buffer);
+               if (bwr.write_size > 0) {
+                       ret = binder_thread_write(proc, thread, (void __user *)bwr.write_buffer, bwr.write_size, &bwr.write_consumed);
+                       if (ret < 0) {
+                               bwr.read_consumed = 0;
+                               if (copy_to_user(ubuf, &bwr, sizeof(bwr)))
+                                       ret = -EFAULT;
+                               goto err;
+                       }
+               }
+               if (bwr.read_size > 0) {
+                       ret = binder_thread_read(proc, thread, (void __user *)bwr.read_buffer, bwr.read_size, &bwr.read_consumed, filp->f_flags & O_NONBLOCK);
+                       if (!list_empty(&proc->todo))
+                               wake_up_interruptible(&proc->wait);
+                       if (ret < 0) {
+                               if (copy_to_user(ubuf, &bwr, sizeof(bwr)))
+                                       ret = -EFAULT;
+                               goto err;
+                       }
+               }
+               if (binder_debug_mask & BINDER_DEBUG_READ_WRITE)
+                       printk(KERN_INFO "binder: %d:%d wrote %ld of %ld, read return %ld of %ld\n",
+                              proc->pid, thread->pid, bwr.write_consumed, bwr.write_size, bwr.read_consumed, bwr.read_size);
+               if (copy_to_user(ubuf, &bwr, sizeof(bwr))) {
+                       ret = -EFAULT;
+                       goto err;
+               }
+               break;
+       }
+       case BINDER_SET_MAX_THREADS:
+               if (copy_from_user(&proc->max_threads, ubuf, sizeof(proc->max_threads))) {
+                       ret = -EINVAL;
+                       goto err;
+               }
+               break;
+       case BINDER_SET_CONTEXT_MGR:
+               if (binder_context_mgr_node != NULL) {
+                       printk(KERN_ERR "binder: BINDER_SET_CONTEXT_MGR already set\n");
+                       ret = -EBUSY;
+                       goto err;
+               }
+               if (binder_context_mgr_uid != -1) {
+                       if (binder_context_mgr_uid != current->euid) {
+                               printk(KERN_ERR "binder: BINDER_SET_"
+                                      "CONTEXT_MGR bad uid %d != %d\n",
+                                      current->euid,
+                                      binder_context_mgr_uid);
+                               ret = -EPERM;
+                               goto err;
+                       }
+               } else
+                       binder_context_mgr_uid = current->euid;
+               binder_context_mgr_node = binder_new_node(proc, NULL, NULL);
+               if (binder_context_mgr_node == NULL) {
+                       ret = -ENOMEM;
+                       goto err;
+               }
+               binder_context_mgr_node->local_weak_refs++;
+               binder_context_mgr_node->local_strong_refs++;
+               binder_context_mgr_node->has_strong_ref = 1;
+               binder_context_mgr_node->has_weak_ref = 1;
+               break;
+       case BINDER_THREAD_EXIT:
+               if (binder_debug_mask & BINDER_DEBUG_THREADS)
+                       printk(KERN_INFO "binder: %d:%d exit\n",
+                              proc->pid, thread->pid);
+               binder_free_thread(proc, thread);
+               thread = NULL;
+               break;
+       case BINDER_VERSION:
+               if (size != sizeof(struct binder_version)) {
+                       ret = -EINVAL;
+                       goto err;
+               }
+               if (put_user(BINDER_CURRENT_PROTOCOL_VERSION, &((struct binder_version *)ubuf)->protocol_version)) {
+                       ret = -EINVAL;
+                       goto err;
+               }
+               break;
+       default:
+               ret = -EINVAL;
+               goto err;
+       }
+       ret = 0;
+err:
+       if (thread)
+               thread->looper &= ~BINDER_LOOPER_STATE_NEED_RETURN;
+       mutex_unlock(&binder_lock);
+       wait_event_interruptible(binder_user_error_wait, binder_stop_on_user_error < 2);
+       if (ret && ret != -ERESTARTSYS)
+               printk(KERN_INFO "binder: %d:%d ioctl %x %lx returned %d\n", proc->pid, current->pid, cmd, arg, ret);
+       return ret;
+}
+
+static void binder_vma_open(struct vm_area_struct *vma)
+{
+       struct binder_proc *proc = vma->vm_private_data;
+       if (binder_debug_mask & BINDER_DEBUG_OPEN_CLOSE)
+               printk(KERN_INFO "binder: %d open vm area %lx-%lx (%ld K) vma %lx pagep %lx\n", proc->pid, vma->vm_start, vma->vm_end, (vma->vm_end - vma->vm_start) / SZ_1K, vma->vm_flags, vma->vm_page_prot);
+       dump_stack();
+}
+static void binder_vma_close(struct vm_area_struct *vma)
+{
+       struct binder_proc *proc = vma->vm_private_data;
+       if (binder_debug_mask & BINDER_DEBUG_OPEN_CLOSE)
+               printk(KERN_INFO "binder: %d close vm area %lx-%lx (%ld K) vma %lx pagep %lx\n", proc->pid, vma->vm_start, vma->vm_end, (vma->vm_end - vma->vm_start) / SZ_1K, vma->vm_flags, vma->vm_page_prot);
+       proc->vma = NULL;
+}
+
+static struct vm_operations_struct binder_vm_ops = {
+       .open = binder_vma_open,
+       .close = binder_vma_close,
+};
+
+static int binder_mmap(struct file *filp, struct vm_area_struct *vma)
+{
+       int ret;
+       struct vm_struct *area;
+       struct binder_proc *proc = filp->private_data;
+       const char *failure_string;
+       struct binder_buffer *buffer;
+
+       if ((vma->vm_end - vma->vm_start) > SZ_4M)
+               vma->vm_end = vma->vm_start + SZ_4M;
+
+       if (binder_debug_mask & BINDER_DEBUG_OPEN_CLOSE)
+               printk(KERN_INFO "binder_mmap: %d %lx-%lx (%ld K) vma %lx pagep %lx\n", proc->pid, vma->vm_start, vma->vm_end, (vma->vm_end - vma->vm_start) / SZ_1K, vma->vm_flags, vma->vm_page_prot);
+
+       if (vma->vm_flags & FORBIDDEN_MMAP_FLAGS) {
+               ret = -EPERM;
+               failure_string = "bad vm_flags";
+               goto err_bad_arg;
+       }
+       vma->vm_flags = (vma->vm_flags | VM_DONTCOPY) & ~VM_MAYWRITE;
+
+       area = get_vm_area(vma->vm_end - vma->vm_start, VM_IOREMAP);
+       if (area == NULL) {
+               ret = -ENOMEM;
+               failure_string = "get_vm_area";
+               goto err_get_vm_area_failed;
+       }
+       proc->buffer = area->addr;
+       proc->user_buffer_offset = vma->vm_start - (size_t)proc->buffer;
+
+#ifdef CONFIG_CPU_CACHE_VIPT
+       if (cache_is_vipt_aliasing()) {
+               while (CACHE_COLOUR((vma->vm_start ^ (uint32_t)proc->buffer))) {
+                       printk(KERN_INFO "binder_mmap: %d %lx-%lx maps %p bad alignment\n", proc->pid, vma->vm_start, vma->vm_end, proc->buffer);
+                       vma->vm_start += PAGE_SIZE;
+               }
+       }
+#endif
+       proc->pages = kzalloc(sizeof(proc->pages[0]) * ((vma->vm_end - vma->vm_start) / PAGE_SIZE), GFP_KERNEL);
+       if (proc->pages == NULL) {
+               ret = -ENOMEM;
+               failure_string = "alloc page array";
+               goto err_alloc_pages_failed;
+       }
+       proc->buffer_size = vma->vm_end - vma->vm_start;
+
+       vma->vm_ops = &binder_vm_ops;
+       vma->vm_private_data = proc;
+
+       if (binder_update_page_range(proc, 1, proc->buffer, proc->buffer + PAGE_SIZE, vma)) {
+               ret = -ENOMEM;
+               failure_string = "alloc small buf";
+               goto err_alloc_small_buf_failed;
+       }
+       buffer = proc->buffer;
+       INIT_LIST_HEAD(&proc->buffers);
+       list_add(&buffer->entry, &proc->buffers);
+       buffer->free = 1;
+       binder_insert_free_buffer(proc, buffer);
+       proc->free_async_space = proc->buffer_size / 2;
+       barrier();
+       proc->vma = vma;
+
+       /*printk(KERN_INFO "binder_mmap: %d %lx-%lx maps %p\n", proc->pid, vma->vm_start, vma->vm_end, proc->buffer);*/
+       return 0;
+
+err_alloc_small_buf_failed:
+       kfree(proc->pages);
+err_alloc_pages_failed:
+       vfree(proc->buffer);
+err_get_vm_area_failed:
+       mutex_unlock(&binder_lock);
+err_bad_arg:
+       printk(KERN_ERR "binder_mmap: %d %lx-%lx %s failed %d\n", proc->pid, vma->vm_start, vma->vm_end, failure_string, ret);
+       return ret;
+}
+
+static int binder_open(struct inode *nodp, struct file *filp)
+{
+       struct binder_proc *proc;
+
+       if (binder_debug_mask & BINDER_DEBUG_OPEN_CLOSE)
+               printk(KERN_INFO "binder_open: %d:%d\n", current->group_leader->pid, current->pid);
+
+       proc = kzalloc(sizeof(*proc), GFP_KERNEL);
+       if (proc == NULL)
+               return -ENOMEM;
+       get_task_struct(current);
+       proc->tsk = current;
+       INIT_LIST_HEAD(&proc->todo);
+       init_waitqueue_head(&proc->wait);
+       proc->default_priority = task_nice(current);
+       mutex_lock(&binder_lock);
+       binder_stats.obj_created[BINDER_STAT_PROC]++;
+       hlist_add_head(&proc->proc_node, &binder_procs);
+       proc->pid = current->group_leader->pid;
+       INIT_LIST_HEAD(&proc->delivered_death);
+       filp->private_data = proc;
+       mutex_unlock(&binder_lock);
+
+       if (binder_proc_dir_entry_proc) {
+               char strbuf[11];
+               snprintf(strbuf, sizeof(strbuf), "%u", proc->pid);
+               create_proc_read_entry(strbuf, S_IRUGO, binder_proc_dir_entry_proc, binder_read_proc_proc, proc);
+       }
+
+       return 0;
+}
+
+static int binder_flush(struct file *filp, fl_owner_t id)
+{
+       struct rb_node *n;
+       struct binder_proc *proc = filp->private_data;
+       int wake_count = 0;
+
+       mutex_lock(&binder_lock);
+       for (n = rb_first(&proc->threads); n != NULL; n = rb_next(n)) {
+               struct binder_thread *thread = rb_entry(n, struct binder_thread, rb_node);
+               thread->looper |= BINDER_LOOPER_STATE_NEED_RETURN;
+               if (thread->looper & BINDER_LOOPER_STATE_WAITING) {
+                       wake_up_interruptible(&thread->wait);
+                       wake_count++;
+               }
+       }
+       wake_up_interruptible_all(&proc->wait);
+       mutex_unlock(&binder_lock);
+
+       if (binder_debug_mask & BINDER_DEBUG_OPEN_CLOSE)
+               printk(KERN_INFO "binder_flush: %d woke %d threads\n", proc->pid, wake_count);
+
+       return 0;
+}
+
+static int binder_release(struct inode *nodp, struct file *filp)
+{
+       struct hlist_node *pos;
+       struct binder_transaction *t;
+       struct rb_node *n;
+       struct binder_proc *proc = filp->private_data;
+       int threads, nodes, incoming_refs, outgoing_refs, buffers, active_transactions, page_count;
+
+       if (binder_proc_dir_entry_proc) {
+               char strbuf[11];
+               snprintf(strbuf, sizeof(strbuf), "%u", proc->pid);
+               remove_proc_entry(strbuf, binder_proc_dir_entry_proc);
+       }
+       mutex_lock(&binder_lock);
+       hlist_del(&proc->proc_node);
+       if (binder_context_mgr_node && binder_context_mgr_node->proc == proc) {
+               if (binder_debug_mask & BINDER_DEBUG_DEAD_BINDER)
+                       printk(KERN_INFO "binder_release: %d context_mgr_node gone\n", proc->pid);
+               binder_context_mgr_node = NULL;
+       }
+
+       threads = 0;
+       active_transactions = 0;
+       while ((n = rb_first(&proc->threads))) {
+               struct binder_thread *thread = rb_entry(n, struct binder_thread, rb_node);
+               threads++;
+               active_transactions += binder_free_thread(proc, thread);
+       }
+       nodes = 0;
+       incoming_refs = 0;
+       while ((n = rb_first(&proc->nodes))) {
+               struct binder_node *node = rb_entry(n, struct binder_node, rb_node);
+
+               nodes++;
+               rb_erase(&node->rb_node, &proc->nodes);
+               list_del_init(&node->work.entry);
+               if (hlist_empty(&node->refs)) {
+                       kfree(node);
+                       binder_stats.obj_deleted[BINDER_STAT_NODE]++;
+               } else {
+                       struct binder_ref *ref;
+                       int death = 0;
+
+                       node->proc = NULL;
+                       node->local_strong_refs = 0;
+                       node->local_weak_refs = 0;
+                       hlist_add_head(&node->dead_node, &binder_dead_nodes);
+
+                       hlist_for_each_entry(ref, pos, &node->refs, node_entry) {
+                               incoming_refs++;
+                               if (ref->death) {
+                                       death++;
+                                       if (list_empty(&ref->death->work.entry)) {
+                                               ref->death->work.type = BINDER_WORK_DEAD_BINDER;
+                                               list_add_tail(&ref->death->work.entry, &ref->proc->todo);
+                                               wake_up_interruptible(&ref->proc->wait);
+                                       } else
+                                               BUG();
+                               }
+                       }
+                       if (binder_debug_mask & BINDER_DEBUG_DEAD_BINDER)
+                               printk(KERN_INFO "binder: node %d now dead, refs %d, death %d\n", node->debug_id, incoming_refs, death);
+               }
+       }
+       outgoing_refs = 0;
+       while ((n = rb_first(&proc->refs_by_desc))) {
+               struct binder_ref *ref = rb_entry(n, struct binder_ref, rb_node_desc);
+               outgoing_refs++;
+               binder_delete_ref(ref);
+       }
+       binder_release_work(&proc->todo);
+       buffers = 0;
+
+       while ((n = rb_first(&proc->allocated_buffers))) {
+               struct binder_buffer *buffer = rb_entry(n, struct binder_buffer, rb_node);
+               t = buffer->transaction;
+               if (t) {
+                       t->buffer = NULL;
+                       buffer->transaction = NULL;
+                       printk(KERN_ERR "binder: release proc %d, transaction %d, not freed\n", proc->pid, t->debug_id);
+                       /*BUG();*/
+               }
+               binder_free_buf(proc, buffer);
+               buffers++;
+       }
+
+       binder_stats.obj_deleted[BINDER_STAT_PROC]++;
+       mutex_unlock(&binder_lock);
+
+       page_count = 0;
+       if (proc->pages) {
+               int i;
+               for (i = 0; i < proc->buffer_size / PAGE_SIZE; i++) {
+                       if (proc->pages[i]) {
+                               if (binder_debug_mask & BINDER_DEBUG_BUFFER_ALLOC)
+                                       printk(KERN_INFO "binder_release: %d: page %d at %p not freed\n", proc->pid, i, proc->buffer + i * PAGE_SIZE);
+                               __free_page(proc->pages[i]);
+                               page_count++;
+                       }
+               }
+               kfree(proc->pages);
+               vfree(proc->buffer);
+       }
+
+       put_task_struct(proc->tsk);
+
+       if (binder_debug_mask & BINDER_DEBUG_OPEN_CLOSE)
+               printk(KERN_INFO "binder_release: %d threads %d, nodes %d (ref %d), refs %d, active transactions %d, buffers %d, pages %d\n",
+                      proc->pid, threads, nodes, incoming_refs, outgoing_refs, active_transactions, buffers, page_count);
+
+       kfree(proc);
+       return 0;
+}
+
+static char *print_binder_transaction(char *buf, char *end, const char *prefix, struct binder_transaction *t)
+{
+       buf += snprintf(buf, end - buf, "%s %d: %p from %d:%d to %d:%d code %x flags %x pri %ld r%d",
+                       prefix, t->debug_id, t, t->from ? t->from->proc->pid : 0,
+                       t->from ? t->from->pid : 0,
+                       t->to_proc ? t->to_proc->pid : 0,
+                       t->to_thread ? t->to_thread->pid : 0,
+                       t->code, t->flags, t->priority, t->need_reply);
+       if (buf >= end)
+               return buf;
+       if (t->buffer == NULL) {
+               buf += snprintf(buf, end - buf, " buffer free\n");
+               return buf;
+       }
+       if (t->buffer->target_node) {
+               buf += snprintf(buf, end - buf, " node %d",
+                               t->buffer->target_node->debug_id);
+               if (buf >= end)
+                       return buf;
+       }
+       buf += snprintf(buf, end - buf, " size %d:%d data %p\n",
+                       t->buffer->data_size, t->buffer->offsets_size,
+                       t->buffer->data);
+       return buf;
+}
+
+static char *print_binder_buffer(char *buf, char *end, const char *prefix, struct binder_buffer *buffer)
+{
+       buf += snprintf(buf, end - buf, "%s %d: %p size %d:%d %s\n",
+                       prefix, buffer->debug_id, buffer->data,
+                       buffer->data_size, buffer->offsets_size,
+                       buffer->transaction ? "active" : "delivered");
+       return buf;
+}
+
+static char *print_binder_work(char *buf, char *end, const char *prefix,
+       const char *transaction_prefix, struct binder_work *w)
+{
+       struct binder_node *node;
+       struct binder_transaction *t;
+
+       switch (w->type) {
+       case BINDER_WORK_TRANSACTION:
+               t = container_of(w, struct binder_transaction, work);
+               buf = print_binder_transaction(buf, end, transaction_prefix, t);
+               break;
+       case BINDER_WORK_TRANSACTION_COMPLETE:
+               buf += snprintf(buf, end - buf,
+                               "%stransaction complete\n", prefix);
+               break;
+       case BINDER_WORK_NODE:
+               node = container_of(w, struct binder_node, work);
+               buf += snprintf(buf, end - buf, "%snode work %d: u%p c%p\n",
+                               prefix, node->debug_id, node->ptr, node->cookie);
+               break;
+       case BINDER_WORK_DEAD_BINDER:
+               buf += snprintf(buf, end - buf, "%shas dead binder\n", prefix);
+               break;
+       case BINDER_WORK_DEAD_BINDER_AND_CLEAR:
+               buf += snprintf(buf, end - buf,
+                               "%shas cleared dead binder\n", prefix);
+               break;
+       case BINDER_WORK_CLEAR_DEATH_NOTIFICATION:
+               buf += snprintf(buf, end - buf,
+                               "%shas cleared death notification\n", prefix);
+               break;
+       default:
+               buf += snprintf(buf, end - buf, "%sunknown work: type %d\n",
+                               prefix, w->type);
+               break;
+       }
+       return buf;
+}
+
+static char *print_binder_thread(char *buf, char *end, struct binder_thread *thread, int print_always)
+{
+       struct binder_transaction *t;
+       struct binder_work *w;
+       char *start_buf = buf;
+       char *header_buf;
+
+       buf += snprintf(buf, end - buf, "  thread %d: l %02x\n", thread->pid, thread->looper);
+       header_buf = buf;
+       t = thread->transaction_stack;
+       while (t) {
+               if (buf >= end)
+                       break;
+               if (t->from == thread) {
+                       buf = print_binder_transaction(buf, end, "    outgoing transaction", t);
+                       t = t->from_parent;
+               } else if (t->to_thread == thread) {
+                       buf = print_binder_transaction(buf, end, "    incoming transaction", t);
+                       t = t->to_parent;
+               } else {
+                       buf = print_binder_transaction(buf, end, "    bad transaction", t);
+                       t = NULL;
+               }
+       }
+       list_for_each_entry(w, &thread->todo, entry) {
+               if (buf >= end)
+                       break;
+               buf = print_binder_work(buf, end, "    ",
+                                       "    pending transaction", w);
+       }
+       if (!print_always && buf == header_buf)
+               buf = start_buf;
+       return buf;
+}
+
+static char *print_binder_node(char *buf, char *end, struct binder_node *node)
+{
+       struct binder_ref *ref;
+       struct hlist_node *pos;
+       struct binder_work *w;
+       int count;
+       count = 0;
+       hlist_for_each_entry(ref, pos, &node->refs, node_entry)
+               count++;
+
+       buf += snprintf(buf, end - buf, "  node %d: u%p c%p hs %d hw %d ls %d lw %d is %d iw %d",
+                       node->debug_id, node->ptr, node->cookie,
+                       node->has_strong_ref, node->has_weak_ref,
+                       node->local_strong_refs, node->local_weak_refs,
+                       node->internal_strong_refs, count);
+       if (buf >= end)
+               return buf;
+       if (count) {
+               buf += snprintf(buf, end - buf, " proc");
+               if (buf >= end)
+                       return buf;
+               hlist_for_each_entry(ref, pos, &node->refs, node_entry) {
+                       buf += snprintf(buf, end - buf, " %d", ref->proc->pid);
+                       if (buf >= end)
+                               return buf;
+               }
+       }
+       buf += snprintf(buf, end - buf, "\n");
+       list_for_each_entry(w, &node->async_todo, entry) {
+               if (buf >= end)
+                       break;
+               buf = print_binder_work(buf, end, "    ",
+                                       "    pending async transaction", w);
+       }
+       return buf;
+}
+
+static char *print_binder_ref(char *buf, char *end, struct binder_ref *ref)
+{
+       buf += snprintf(buf, end - buf, "  ref %d: desc %d %snode %d s %d w %d d %p\n",
+                       ref->debug_id, ref->desc, ref->node->proc ? "" : "dead ",
+                       ref->node->debug_id, ref->strong, ref->weak, ref->death);
+       return buf;
+}
+
+static char *print_binder_proc(char *buf, char *end, struct binder_proc *proc, int print_all)
+{
+       struct binder_work *w;
+       struct rb_node *n;
+       char *start_buf = buf;
+       char *header_buf;
+
+       buf += snprintf(buf, end - buf, "proc %d\n", proc->pid);
+       header_buf = buf;
+
+       for (n = rb_first(&proc->threads); n != NULL && buf < end; n = rb_next(n))
+               buf = print_binder_thread(buf, end, rb_entry(n, struct binder_thread, rb_node), print_all);
+       for (n = rb_first(&proc->nodes); n != NULL && buf < end; n = rb_next(n)) {
+               struct binder_node *node = rb_entry(n, struct binder_node, rb_node);
+               if (print_all || node->has_async_transaction)
+                       buf = print_binder_node(buf, end, node);
+       }
+       if (print_all) {
+               for (n = rb_first(&proc->refs_by_desc); n != NULL && buf < end; n = rb_next(n))
+                       buf = print_binder_ref(buf, end, rb_entry(n, struct binder_ref, rb_node_desc));
+       }
+       for (n = rb_first(&proc->allocated_buffers); n != NULL && buf < end; n = rb_next(n))
+               buf = print_binder_buffer(buf, end, "  buffer", rb_entry(n, struct binder_buffer, rb_node));
+       list_for_each_entry(w, &proc->todo, entry) {
+               if (buf >= end)
+                       break;
+               buf = print_binder_work(buf, end, "  ",
+                                       "  pending transaction", w);
+       }
+       list_for_each_entry(w, &proc->delivered_death, entry) {
+               if (buf >= end)
+                       break;
+               buf += snprintf(buf, end - buf, "  has delivered dead binder\n");
+               break;
+       }
+       if (!print_all && buf == header_buf)
+               buf = start_buf;
+       return buf;
+}
+
+static const char *binder_return_strings[] = {
+       "BR_ERROR",
+       "BR_OK",
+       "BR_TRANSACTION",
+       "BR_REPLY",
+       "BR_ACQUIRE_RESULT",
+       "BR_DEAD_REPLY",
+       "BR_TRANSACTION_COMPLETE",
+       "BR_INCREFS",
+       "BR_ACQUIRE",
+       "BR_RELEASE",
+       "BR_DECREFS",
+       "BR_ATTEMPT_ACQUIRE",
+       "BR_NOOP",
+       "BR_SPAWN_LOOPER",
+       "BR_FINISHED",
+       "BR_DEAD_BINDER",
+       "BR_CLEAR_DEATH_NOTIFICATION_DONE",
+       "BR_FAILED_REPLY"
+};
+
+static const char *binder_command_strings[] = {
+       "BC_TRANSACTION",
+       "BC_REPLY",
+       "BC_ACQUIRE_RESULT",
+       "BC_FREE_BUFFER",
+       "BC_INCREFS",
+       "BC_ACQUIRE",
+       "BC_RELEASE",
+       "BC_DECREFS",
+       "BC_INCREFS_DONE",
+       "BC_ACQUIRE_DONE",
+       "BC_ATTEMPT_ACQUIRE",
+       "BC_REGISTER_LOOPER",
+       "BC_ENTER_LOOPER",
+       "BC_EXIT_LOOPER",
+       "BC_REQUEST_DEATH_NOTIFICATION",
+       "BC_CLEAR_DEATH_NOTIFICATION",
+       "BC_DEAD_BINDER_DONE"
+};
+
+static const char *binder_objstat_strings[] = {
+       "proc",
+       "thread",
+       "node",
+       "ref",
+       "death",
+       "transaction",
+       "transaction_complete"
+};
+
+static char *print_binder_stats(char *buf, char *end, const char *prefix, struct binder_stats *stats)
+{
+       int i;
+
+       BUILD_BUG_ON(ARRAY_SIZE(stats->bc) != ARRAY_SIZE(binder_command_strings));
+       for (i = 0; i < ARRAY_SIZE(stats->bc); i++) {
+               if (stats->bc[i])
+                       buf += snprintf(buf, end - buf, "%s%s: %d\n", prefix,
+                                       binder_command_strings[i], stats->bc[i]);
+               if (buf >= end)
+                       return buf;
+       }
+
+       BUILD_BUG_ON(ARRAY_SIZE(stats->br) != ARRAY_SIZE(binder_return_strings));
+       for (i = 0; i < ARRAY_SIZE(stats->br); i++) {
+               if (stats->br[i])
+                       buf += snprintf(buf, end - buf, "%s%s: %d\n", prefix,
+                                       binder_return_strings[i], stats->br[i]);
+               if (buf >= end)
+                       return buf;
+       }
+
+       BUILD_BUG_ON(ARRAY_SIZE(stats->obj_created) != ARRAY_SIZE(binder_objstat_strings));
+       BUILD_BUG_ON(ARRAY_SIZE(stats->obj_created) != ARRAY_SIZE(stats->obj_deleted));
+       for (i = 0; i < ARRAY_SIZE(stats->obj_created); i++) {
+               if (stats->obj_created[i] || stats->obj_deleted[i])
+                       buf += snprintf(buf, end - buf, "%s%s: active %d total %d\n", prefix,
+                                       binder_objstat_strings[i],
+                                       stats->obj_created[i] - stats->obj_deleted[i],
+                                       stats->obj_created[i]);
+               if (buf >= end)
+                       return buf;
+       }
+       return buf;
+}
+
+static char *print_binder_proc_stats(char *buf, char *end, struct binder_proc *proc)
+{
+       struct binder_work *w;
+       struct rb_node *n;
+       int count, strong, weak;
+
+       buf += snprintf(buf, end - buf, "proc %d\n", proc->pid);
+       if (buf >= end)
+               return buf;
+       count = 0;
+       for (n = rb_first(&proc->threads); n != NULL; n = rb_next(n))
+               count++;
+       buf += snprintf(buf, end - buf, "  threads: %d\n", count);
+       if (buf >= end)
+               return buf;
+       buf += snprintf(buf, end - buf, "  requested threads: %d+%d/%d\n"
+                       "  ready threads %d\n"
+                       "  free async space %d\n", proc->requested_threads,
+                       proc->requested_threads_started, proc->max_threads,
+                       proc->ready_threads, proc->free_async_space);
+       if (buf >= end)
+               return buf;
+       count = 0;
+       for (n = rb_first(&proc->nodes); n != NULL; n = rb_next(n))
+               count++;
+       buf += snprintf(buf, end - buf, "  nodes: %d\n", count);
+       if (buf >= end)
+               return buf;
+       count = 0;
+       strong = 0;
+       weak = 0;
+       for (n = rb_first(&proc->refs_by_desc); n != NULL; n = rb_next(n)) {
+               struct binder_ref *ref = rb_entry(n, struct binder_ref, rb_node_desc);
+               count++;
+               strong += ref->strong;
+               weak += ref->weak;
+       }
+       buf += snprintf(buf, end - buf, "  refs: %d s %d w %d\n", count, strong, weak);
+       if (buf >= end)
+               return buf;
+
+       count = 0;
+       for (n = rb_first(&proc->allocated_buffers); n != NULL; n = rb_next(n))
+               count++;
+       buf += snprintf(buf, end - buf, "  buffers: %d\n", count);
+       if (buf >= end)
+               return buf;
+
+       count = 0;
+       list_for_each_entry(w, &proc->todo, entry) {
+               switch (w->type) {
+               case BINDER_WORK_TRANSACTION:
+                       count++;
+                       break;
+               default:
+                       break;
+               }
+       }
+       buf += snprintf(buf, end - buf, "  pending transactions: %d\n", count);
+       if (buf >= end)
+               return buf;
+
+       buf = print_binder_stats(buf, end, "  ", &proc->stats);
+
+       return buf;
+}
+
+
+static int binder_read_proc_state(
+       char *page, char **start, off_t off, int count, int *eof, void *data)
+{
+       struct binder_proc *proc;
+       struct hlist_node *pos;
+       struct binder_node *node;
+       int len = 0;
+       char *buf = page;
+       char *end = page + PAGE_SIZE;
+       int do_lock = !binder_debug_no_lock;
+
+       if (off)
+               return 0;
+
+       if (do_lock)
+               mutex_lock(&binder_lock);
+
+       buf += snprintf(buf, end - buf, "binder state:\n");
+
+       if (!hlist_empty(&binder_dead_nodes))
+               buf += snprintf(buf, end - buf, "dead nodes:\n");
+       hlist_for_each_entry(node, pos, &binder_dead_nodes, dead_node) {
+               if (buf >= end)
+                       break;
+               buf = print_binder_node(buf, end, node);
+       }
+
+       hlist_for_each_entry(proc, pos, &binder_procs, proc_node) {
+               if (buf >= end)
+                       break;
+               buf = print_binder_proc(buf, end, proc, 1);
+       }
+       if (do_lock)
+               mutex_unlock(&binder_lock);
+       if (buf > page + PAGE_SIZE)
+               buf = page + PAGE_SIZE;
+
+       *start = page + off;
+
+       len = buf - page;
+       if (len > off)
+               len -= off;
+       else
+               len = 0;
+
+       return len < count ? len  : count;
+}
+
+static int binder_read_proc_stats(
+       char *page, char **start, off_t off, int count, int *eof, void *data)
+{
+       struct binder_proc *proc;
+       struct hlist_node *pos;
+       int len = 0;
+       char *p = page;
+       int do_lock = !binder_debug_no_lock;
+
+       if (off)
+               return 0;
+
+       if (do_lock)
+               mutex_lock(&binder_lock);
+
+       p += snprintf(p, PAGE_SIZE, "binder stats:\n");
+
+       p = print_binder_stats(p, page + PAGE_SIZE, "", &binder_stats);
+
+       hlist_for_each_entry(proc, pos, &binder_procs, proc_node) {
+               if (p >= page + PAGE_SIZE)
+                       break;
+               p = print_binder_proc_stats(p, page + PAGE_SIZE, proc);
+       }
+       if (do_lock)
+               mutex_unlock(&binder_lock);
+       if (p > page + PAGE_SIZE)
+               p = page + PAGE_SIZE;
+
+       *start = page + off;
+
+       len = p - page;
+       if (len > off)
+               len -= off;
+       else
+               len = 0;
+
+       return len < count ? len  : count;
+}
+
+static int binder_read_proc_transactions(
+       char *page, char **start, off_t off, int count, int *eof, void *data)
+{
+       struct binder_proc *proc;
+       struct hlist_node *pos;
+       int len = 0;
+       char *buf = page;
+       char *end = page + PAGE_SIZE;
+       int do_lock = !binder_debug_no_lock;
+
+       if (off)
+               return 0;
+
+       if (do_lock)
+               mutex_lock(&binder_lock);
+
+       buf += snprintf(buf, end - buf, "binder transactions:\n");
+       hlist_for_each_entry(proc, pos, &binder_procs, proc_node) {
+               if (buf >= end)
+                       break;
+               buf = print_binder_proc(buf, end, proc, 0);
+       }
+       if (do_lock)
+               mutex_unlock(&binder_lock);
+       if (buf > page + PAGE_SIZE)
+               buf = page + PAGE_SIZE;
+
+       *start = page + off;
+
+       len = buf - page;
+       if (len > off)
+               len -= off;
+       else
+               len = 0;
+
+       return len < count ? len  : count;
+}
+
+static int binder_read_proc_proc(
+       char *page, char **start, off_t off, int count, int *eof, void *data)
+{
+       struct binder_proc *proc = data;
+       int len = 0;
+       char *p = page;
+       int do_lock = !binder_debug_no_lock;
+
+       if (off)
+               return 0;
+
+       if (do_lock)
+               mutex_lock(&binder_lock);
+       p += snprintf(p, PAGE_SIZE, "binder proc state:\n");
+       p = print_binder_proc(p, page + PAGE_SIZE, proc, 1);
+       if (do_lock)
+               mutex_unlock(&binder_lock);
+
+       if (p > page + PAGE_SIZE)
+               p = page + PAGE_SIZE;
+       *start = page + off;
+
+       len = p - page;
+       if (len > off)
+               len -= off;
+       else
+               len = 0;
+
+       return len < count ? len  : count;
+}
+
+static char *print_binder_transaction_log_entry(char *buf, char *end, struct binder_transaction_log_entry *e)
+{
+       buf += snprintf(buf, end - buf, "%d: %s from %d:%d to %d:%d node %d handle %d size %d:%d\n",
+                       e->debug_id, (e->call_type == 2) ? "reply" :
+                       ((e->call_type == 1) ? "async" : "call "), e->from_proc,
+                       e->from_thread, e->to_proc, e->to_thread, e->to_node,
+                       e->target_handle, e->data_size, e->offsets_size);
+       return buf;
+}
+
+static int binder_read_proc_transaction_log(
+       char *page, char **start, off_t off, int count, int *eof, void *data)
+{
+       struct binder_transaction_log *log = data;
+       int len = 0;
+       int i;
+       char *buf = page;
+       char *end = page + PAGE_SIZE;
+
+       if (off)
+               return 0;
+
+       if (log->full) {
+               for (i = log->next; i < ARRAY_SIZE(log->entry); i++) {
+                       if (buf >= end)
+                               break;
+                       buf = print_binder_transaction_log_entry(buf, end, &log->entry[i]);
+               }
+       }
+       for (i = 0; i < log->next; i++) {
+               if (buf >= end)
+                       break;
+               buf = print_binder_transaction_log_entry(buf, end, &log->entry[i]);
+       }
+
+       *start = page + off;
+
+       len = buf - page;
+       if (len > off)
+               len -= off;
+       else
+               len = 0;
+
+       return len < count ? len  : count;
+}
+
+static struct file_operations binder_fops = {
+       .owner = THIS_MODULE,
+       .poll = binder_poll,
+       .unlocked_ioctl = binder_ioctl,
+       .mmap = binder_mmap,
+       .open = binder_open,
+       .flush = binder_flush,
+       .release = binder_release,
+};
+
+static struct miscdevice binder_miscdev = {
+       .minor = MISC_DYNAMIC_MINOR,
+       .name = "binder",
+       .fops = &binder_fops
+};
+
+static int __init binder_init(void)
+{
+       int ret;
+
+       binder_proc_dir_entry_root = proc_mkdir("binder", NULL);
+       if (binder_proc_dir_entry_root)
+               binder_proc_dir_entry_proc = proc_mkdir("proc", binder_proc_dir_entry_root);
+       ret = misc_register(&binder_miscdev);
+       if (binder_proc_dir_entry_root) {
+               create_proc_read_entry("state", S_IRUGO, binder_proc_dir_entry_root, binder_read_proc_state, NULL);
+               create_proc_read_entry("stats", S_IRUGO, binder_proc_dir_entry_root, binder_read_proc_stats, NULL);
+               create_proc_read_entry("transactions", S_IRUGO, binder_proc_dir_entry_root, binder_read_proc_transactions, NULL);
+               create_proc_read_entry("transaction_log", S_IRUGO, binder_proc_dir_entry_root, binder_read_proc_transaction_log, &binder_transaction_log);
+               create_proc_read_entry("failed_transaction_log", S_IRUGO, binder_proc_dir_entry_root, binder_read_proc_transaction_log, &binder_transaction_log_failed);
+       }
+       return ret;
+}
+
+device_initcall(binder_init);
+
diff --git a/drivers/android/logger.c b/drivers/android/logger.c
new file mode 100644 (file)
index 0000000..05dac30
--- /dev/null
@@ -0,0 +1,607 @@
+/*
+ * drivers/android/logger.c
+ *
+ * Android Logging Subsystem
+ *
+ * Copyright (C) 2007-2008 Google, Inc.
+ *
+ * Robert Love <rlove@google.com>
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/module.h>
+#include <linux/fs.h>
+#include <linux/miscdevice.h>
+#include <linux/uaccess.h>
+#include <linux/poll.h>
+#include <linux/time.h>
+#include <linux/logger.h>
+
+#include <asm/ioctls.h>
+
+/*
+ * struct logger_log - represents a specific log, such as 'main' or 'radio'
+ *
+ * This structure lives from module insertion until module removal, so it does
+ * not need additional reference counting. The structure is protected by the
+ * mutex 'mutex'.
+ */
+struct logger_log {
+       unsigned char *         buffer; /* the ring buffer itself */
+       struct miscdevice       misc;   /* misc device representing the log */
+       wait_queue_head_t       wq;     /* wait queue for readers */
+       struct list_head        readers; /* this log's readers */
+       struct mutex            mutex;  /* mutex protecting buffer */
+       size_t                  w_off;  /* current write head offset */
+       size_t                  head;   /* new readers start here */
+       size_t                  size;   /* size of the log */
+};
+
+/*
+ * struct logger_reader - a logging device open for reading
+ *
+ * This object lives from open to release, so we don't need additional
+ * reference counting. The structure is protected by log->mutex.
+ */
+struct logger_reader {
+       struct logger_log *     log;    /* associated log */
+       struct list_head        list;   /* entry in logger_log's list */
+       size_t                  r_off;  /* current read head offset */
+};
+
+/* logger_offset - returns index 'n' into the log via (optimized) modulus */
+#define logger_offset(n)       ((n) & (log->size - 1))
+
+/*
+ * file_get_log - Given a file structure, return the associated log
+ *
+ * This isn't aesthetic. We have several goals:
+ *
+ *     1) Need to quickly obtain the associated log during an I/O operation
+ *     2) Readers need to maintain state (logger_reader)
+ *     3) Writers need to be very fast (open() should be a near no-op)
+ *
+ * In the reader case, we can trivially go file->logger_reader->logger_log.
+ * For a writer, we don't want to maintain a logger_reader, so we just go
+ * file->logger_log. Thus what file->private_data points at depends on whether
+ * or not the file was opened for reading. This function hides that dirtiness.
+ */
+static inline struct logger_log * file_get_log(struct file *file)
+{
+       if (file->f_mode & FMODE_READ) {
+               struct logger_reader *reader = file->private_data;
+               return reader->log;
+       } else
+               return file->private_data;
+}
+
+/*
+ * get_entry_len - Grabs the length of the payload of the next entry starting
+ * from 'off'.
+ *
+ * Caller needs to hold log->mutex.
+ */
+static __u32 get_entry_len(struct logger_log *log, size_t off)
+{
+       __u16 val;
+
+       switch (log->size - off) {
+       case 1:
+               memcpy(&val, log->buffer + off, 1);
+               memcpy(((char *) &val) + 1, log->buffer, 1);
+               break;
+       default:
+               memcpy(&val, log->buffer + off, 2);
+       }
+
+       return sizeof(struct logger_entry) + val;
+}
+
+/*
+ * do_read_log_to_user - reads exactly 'count' bytes from 'log' into the
+ * user-space buffer 'buf'. Returns 'count' on success.
+ *
+ * Caller must hold log->mutex.
+ */
+static ssize_t do_read_log_to_user(struct logger_log *log,
+                                  struct logger_reader *reader,
+                                  char __user *buf,
+                                  size_t count)
+{
+       size_t len;
+
+       /*
+        * We read from the log in two disjoint operations. First, we read from
+        * the current read head offset up to 'count' bytes or to the end of
+        * the log, whichever comes first.
+        */
+       len = min(count, log->size - reader->r_off);
+       if (copy_to_user(buf, log->buffer + reader->r_off, len))
+               return -EFAULT;
+
+       /*
+        * Second, we read any remaining bytes, starting back at the head of
+        * the log.
+        */
+       if (count != len)
+               if (copy_to_user(buf + len, log->buffer, count - len))
+                       return -EFAULT;
+
+       reader->r_off = logger_offset(reader->r_off + count);
+
+       return count;
+}
+
+/*
+ * logger_read - our log's read() method
+ *
+ * Behavior:
+ *
+ *     - O_NONBLOCK works
+ *     - If there are no log entries to read, blocks until log is written to
+ *     - Atomically reads exactly one log entry
+ *
+ * Optimal read size is LOGGER_ENTRY_MAX_LEN. Will set errno to EINVAL if read
+ * buffer is insufficient to hold next entry.
+ */
+static ssize_t logger_read(struct file *file, char __user *buf,
+                          size_t count, loff_t *pos)
+{
+       struct logger_reader *reader = file->private_data;
+       struct logger_log *log = reader->log;
+       ssize_t ret;
+       DEFINE_WAIT(wait);
+
+start:
+       while (1) {
+               prepare_to_wait(&log->wq, &wait, TASK_INTERRUPTIBLE);
+
+               mutex_lock(&log->mutex);
+               ret = (log->w_off == reader->r_off);
+               mutex_unlock(&log->mutex);
+               if (!ret)
+                       break;
+
+               if (file->f_flags & O_NONBLOCK) {
+                       ret = -EAGAIN;
+                       break;
+               }
+
+               if (signal_pending(current)) {
+                       ret = -EINTR;
+                       break;
+               }
+
+               schedule();
+       }
+
+       finish_wait(&log->wq, &wait);
+       if (ret)
+               return ret;
+
+       mutex_lock(&log->mutex);
+
+       /* is there still something to read or did we race? */
+       if (unlikely(log->w_off == reader->r_off)) {
+               mutex_unlock(&log->mutex);
+               goto start;
+       }
+
+       /* get the size of the next entry */
+       ret = get_entry_len(log, reader->r_off);
+       if (count < ret) {
+               ret = -EINVAL;
+               goto out;
+       }
+
+       /* get exactly one entry from the log */
+       ret = do_read_log_to_user(log, reader, buf, ret);
+
+out:
+       mutex_unlock(&log->mutex);
+
+       return ret;
+}
+
+/*
+ * get_next_entry - return the offset of the first valid entry at least 'len'
+ * bytes after 'off'.
+ *
+ * Caller must hold log->mutex.
+ */
+static size_t get_next_entry(struct logger_log *log, size_t off, size_t len)
+{
+       size_t count = 0;
+
+       do {
+               size_t nr = get_entry_len(log, off);
+               off = logger_offset(off + nr);
+               count += nr;
+       } while (count < len);
+
+       return off;
+}
+
+/*
+ * clock_interval - is a < c < b in mod-space? Put another way, does the line
+ * from a to b cross c?
+ */
+static inline int clock_interval(size_t a, size_t b, size_t c)
+{
+       if (b < a) {
+               if (a < c || b >= c)
+                       return 1;
+       } else {
+               if (a < c && b >= c)
+                       return 1;
+       }
+
+       return 0;
+}
+
+/*
+ * fix_up_readers - walk the list of all readers and "fix up" any who were
+ * lapped by the writer; also do the same for the default "start head".
+ * We do this by "pulling forward" the readers and start head to the first
+ * entry after the new write head.
+ *
+ * The caller needs to hold log->mutex.
+ */
+static void fix_up_readers(struct logger_log *log, size_t len)
+{
+       size_t old = log->w_off;
+       size_t new = logger_offset(old + len);
+       struct logger_reader *reader;
+
+       if (clock_interval(old, new, log->head))
+               log->head = get_next_entry(log, log->head, len);
+
+       list_for_each_entry(reader, &log->readers, list)
+               if (clock_interval(old, new, reader->r_off))
+                       reader->r_off = get_next_entry(log, reader->r_off, len);
+}
+
+/*
+ * do_write_log - writes 'len' bytes from 'buf' to 'log'
+ *
+ * The caller needs to hold log->mutex.
+ */
+static void do_write_log(struct logger_log *log, const void *buf, size_t count)
+{
+       size_t len;
+
+       len = min(count, log->size - log->w_off);
+       memcpy(log->buffer + log->w_off, buf, len);
+
+       if (count != len)
+               memcpy(log->buffer, buf + len, count - len);
+
+       log->w_off = logger_offset(log->w_off + count);
+       
+}
+
+/*
+ * do_write_log_user - writes 'len' bytes from the user-space buffer 'buf' to
+ * the log 'log'
+ *
+ * The caller needs to hold log->mutex.
+ *
+ * Returns 'count' on success, negative error code on failure.
+ */
+static ssize_t do_write_log_from_user(struct logger_log *log,
+                                     const void __user *buf, size_t count)
+{
+       size_t len;
+
+       len = min(count, log->size - log->w_off);
+       if (len && copy_from_user(log->buffer + log->w_off, buf, len))
+               return -EFAULT;
+
+       if (count != len)
+               if (copy_from_user(log->buffer, buf + len, count - len))
+                       return -EFAULT;
+
+       log->w_off = logger_offset(log->w_off + count);
+
+       return count;
+}
+
+/*
+ * logger_aio_write - our write method, implementing support for write(),
+ * writev(), and aio_write(). Writes are our fast path, and we try to optimize
+ * them above all else.
+ */
+ssize_t logger_aio_write(struct kiocb *iocb, const struct iovec *iov,
+                        unsigned long nr_segs, loff_t ppos)
+{
+       struct logger_log *log = file_get_log(iocb->ki_filp);
+       size_t orig = log->w_off;
+       struct logger_entry header;
+       struct timespec now;
+       ssize_t ret = 0;
+
+       now = current_kernel_time();
+
+       header.pid = current->tgid;
+       header.tid = current->pid;
+       header.sec = now.tv_sec;
+       header.nsec = now.tv_nsec;
+       header.len = min_t(size_t, iocb->ki_left, LOGGER_ENTRY_MAX_PAYLOAD);
+
+       /* null writes succeed, return zero */
+       if (unlikely(!header.len))
+               return 0;
+
+       mutex_lock(&log->mutex);
+
+       /*
+        * Fix up any readers, pulling them forward to the first readable
+        * entry after (what will be) the new write offset. We do this now
+        * because if we partially fail, we can end up with clobbered log
+        * entries that encroach on readable buffer.
+        */
+       fix_up_readers(log, sizeof(struct logger_entry) + header.len);
+
+       do_write_log(log, &header, sizeof(struct logger_entry));
+
+       while (nr_segs-- > 0) {
+               size_t len;
+               ssize_t nr;
+
+               /* figure out how much of this vector we can keep */
+               len = min_t(size_t, iov->iov_len, header.len - ret);
+
+               /* write out this segment's payload */
+               nr = do_write_log_from_user(log, iov->iov_base, len);
+               if (unlikely(nr < 0)) {
+                       log->w_off = orig;
+                       mutex_unlock(&log->mutex);
+                       return nr;
+               }
+
+               iov++;
+               ret += nr;
+       }
+
+       mutex_unlock(&log->mutex);
+
+       /* wake up any blocked readers */
+       wake_up_interruptible(&log->wq);
+
+       return ret;
+}
+
+static struct logger_log * get_log_from_minor(int);
+
+/*
+ * logger_open - the log's open() file operation
+ *
+ * Note how near a no-op this is in the write-only case. Keep it that way!
+ */
+static int logger_open(struct inode *inode, struct file *file)
+{
+       struct logger_log *log;
+       int ret;
+
+       ret = nonseekable_open(inode, file);
+       if (ret)
+               return ret;
+
+       log = get_log_from_minor(MINOR(inode->i_rdev));
+       if (!log)
+               return -ENODEV;
+
+       if (file->f_mode & FMODE_READ) {
+               struct logger_reader *reader;
+
+               reader = kmalloc(sizeof(struct logger_reader), GFP_KERNEL);
+               if (!reader)
+                       return -ENOMEM;
+
+               reader->log = log;
+               INIT_LIST_HEAD(&reader->list);
+
+               mutex_lock(&log->mutex);
+               reader->r_off = log->head;
+               list_add_tail(&reader->list, &log->readers);
+               mutex_unlock(&log->mutex);
+
+               file->private_data = reader;
+       } else
+               file->private_data = log;
+
+       return 0;
+}
+
+/*
+ * logger_release - the log's release file operation
+ *
+ * Note this is a total no-op in the write-only case. Keep it that way!
+ */
+static int logger_release(struct inode *ignored, struct file *file)
+{
+       if (file->f_mode & FMODE_READ) {
+               struct logger_reader *reader = file->private_data;
+               list_del(&reader->list);
+               kfree(reader);
+       }
+
+       return 0;
+}
+
+/*
+ * logger_poll - the log's poll file operation, for poll/select/epoll
+ *
+ * Note we always return POLLOUT, because you can always write() to the log.
+ * Note also that, strictly speaking, a return value of POLLIN does not
+ * guarantee that the log is readable without blocking, as there is a small
+ * chance that the writer can lap the reader in the interim between poll()
+ * returning and the read() request.
+ */
+static unsigned int logger_poll(struct file *file, poll_table *wait)
+{
+       struct logger_reader *reader;
+       struct logger_log *log;
+       unsigned int ret = POLLOUT | POLLWRNORM;
+
+       if (!(file->f_mode & FMODE_READ))
+               return ret;
+
+       reader = file->private_data;
+       log = reader->log;
+
+       poll_wait(file, &log->wq, wait);
+
+       mutex_lock(&log->mutex);
+       if (log->w_off != reader->r_off)
+               ret |= POLLIN | POLLRDNORM;
+       mutex_unlock(&log->mutex);
+       
+       return ret;
+}
+
+static long logger_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
+{
+       struct logger_log *log = file_get_log(file);
+       struct logger_reader *reader;
+       long ret = -ENOTTY;
+
+       mutex_lock(&log->mutex);
+
+       switch (cmd) {
+       case LOGGER_GET_LOG_BUF_SIZE:
+               ret = log->size;
+               break;
+       case LOGGER_GET_LOG_LEN:
+               if (!(file->f_mode & FMODE_READ)) {
+                       ret = -EBADF;
+                       break;
+               }
+               reader = file->private_data;
+               if (log->w_off >= reader->r_off)
+                       ret = log->w_off - reader->r_off;
+               else
+                       ret = (log->size - reader->r_off) + log->w_off;
+               break;
+       case LOGGER_GET_NEXT_ENTRY_LEN:
+               if (!(file->f_mode & FMODE_READ)) {
+                       ret = -EBADF;
+                       break;
+               }
+               reader = file->private_data;
+               if (log->w_off != reader->r_off)
+                       ret = get_entry_len(log, reader->r_off);
+               else
+                       ret = 0;
+               break;
+       case LOGGER_FLUSH_LOG:
+               if (!(file->f_mode & FMODE_WRITE)) {
+                       ret = -EBADF;
+                       break;
+               }
+               list_for_each_entry(reader, &log->readers, list)
+                       reader->r_off = log->w_off;
+               log->head = log->w_off;
+               ret = 0;
+               break;
+       }
+
+       mutex_unlock(&log->mutex);
+
+       return ret;
+}
+
+static struct file_operations logger_fops = {
+       .owner = THIS_MODULE,
+       .read = logger_read,
+       .aio_write = logger_aio_write,
+       .poll = logger_poll,
+       .unlocked_ioctl = logger_ioctl,
+       .compat_ioctl = logger_ioctl,
+       .open = logger_open,
+       .release = logger_release,
+};
+
+/*
+ * Defines a log structure with name 'NAME' and a size of 'SIZE' bytes, which
+ * must be a power of two, greater than LOGGER_ENTRY_MAX_LEN, and less than
+ * LONG_MAX minus LOGGER_ENTRY_MAX_LEN.
+ */
+#define DEFINE_LOGGER_DEVICE(VAR, NAME, SIZE) \
+static unsigned char _buf_ ## VAR[SIZE]; \
+static struct logger_log VAR = { \
+       .buffer = _buf_ ## VAR, \
+       .misc = { \
+               .minor = MISC_DYNAMIC_MINOR, \
+               .name = NAME, \
+               .fops = &logger_fops, \
+               .parent = NULL, \
+       }, \
+       .wq = __WAIT_QUEUE_HEAD_INITIALIZER(VAR .wq), \
+       .readers = LIST_HEAD_INIT(VAR .readers), \
+       .mutex = __MUTEX_INITIALIZER(VAR .mutex), \
+       .w_off = 0, \
+       .head = 0, \
+       .size = SIZE, \
+};
+
+DEFINE_LOGGER_DEVICE(log_main, LOGGER_LOG_MAIN, 64*1024)
+DEFINE_LOGGER_DEVICE(log_events, LOGGER_LOG_EVENTS, 256*1024)
+DEFINE_LOGGER_DEVICE(log_radio, LOGGER_LOG_RADIO, 64*1024)
+
+static struct logger_log * get_log_from_minor(int minor)
+{
+       if (log_main.misc.minor == minor)
+               return &log_main;
+       if (log_events.misc.minor == minor)
+               return &log_events;
+       if (log_radio.misc.minor == minor)
+               return &log_radio;
+       return NULL;
+}
+
+static int __init init_log(struct logger_log *log)
+{
+       int ret;
+
+       ret = misc_register(&log->misc);
+       if (unlikely(ret)) {
+               printk(KERN_ERR "logger: failed to register misc "
+                      "device for log '%s'!\n", log->misc.name);
+               return ret;
+       }
+
+       printk(KERN_INFO "logger: created %luK log '%s'\n",
+              (unsigned long) log->size >> 10, log->misc.name);
+
+       return 0;
+}
+
+static int __init logger_init(void)
+{
+       int ret;
+
+       ret = init_log(&log_main);
+       if (unlikely(ret))
+               goto out;
+
+       ret = init_log(&log_events);
+       if (unlikely(ret))
+               goto out;
+
+       ret = init_log(&log_radio);
+       if (unlikely(ret))
+               goto out;
+
+out:
+       return ret;
+}
+device_initcall(logger_init);
diff --git a/drivers/android/power.c b/drivers/android/power.c
new file mode 100644 (file)
index 0000000..6c773ab
--- /dev/null
@@ -0,0 +1,1336 @@
+/* drivers/android/power.c
+ *
+ * Copyright (C) 2005-2008 Google, Inc.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#include <linux/list.h>
+#include <linux/module.h>
+#include <linux/miscdevice.h>
+//#include <linux/platform_device.h>
+#include <linux/sysdev.h>
+#include <linux/fs.h>
+#include <linux/poll.h>
+#include <linux/interrupt.h>
+#include <linux/delay.h>
+#include <linux/clk.h>
+#include <linux/rtc.h>
+#include <linux/wait.h>
+#include <linux/android_power.h>
+#include <linux/suspend.h>
+#include <linux/syscalls.h> // sys_sync
+#include <linux/console.h>
+#include <linux/kbd_kern.h>
+#include <linux/vt_kern.h>
+#include <linux/freezer.h>
+#ifdef CONFIG_ANDROID_POWER_STAT
+#include <linux/proc_fs.h>
+#endif
+
+enum {
+       ANDROID_POWER_DEBUG_USER_STATE = 1U << 0,
+       ANDROID_POWER_DEBUG_EXIT_SUSPEND = 1U << 1,
+       ANDROID_POWER_DEBUG_SUSPEND = 1U << 2,
+       ANDROID_POWER_DEBUG_USER_WAKE_LOCK = 1U << 3,
+       ANDROID_POWER_DEBUG_WAKE_LOCK = 1U << 4,
+};
+static int android_power_debug_mask =
+       ANDROID_POWER_DEBUG_USER_STATE | ANDROID_POWER_DEBUG_EXIT_SUSPEND;
+module_param_named(debug_mask, android_power_debug_mask,
+                       int, S_IRUGO | S_IWUSR | S_IWGRP);
+
+#define ANDROID_POWER_TEST_EARLY_SUSPEND 0
+
+MODULE_DESCRIPTION("OMAP CSMI Driver");
+MODULE_LICENSE("GPL");
+MODULE_VERSION("1.0");
+
+#define ANDROID_SUSPEND_CONSOLE        (MAX_NR_CONSOLES-2)
+
+static spinlock_t g_list_lock = SPIN_LOCK_UNLOCKED;
+static DEFINE_MUTEX(g_early_suspend_lock);
+
+wait_queue_head_t g_wait_queue;
+
+static LIST_HEAD(g_inactive_locks);
+static LIST_HEAD(g_active_idle_wake_locks);
+static LIST_HEAD(g_active_partial_wake_locks);
+static LIST_HEAD(g_active_full_wake_locks);
+static LIST_HEAD(g_early_suspend_handlers);
+static enum {
+       USER_AWAKE,
+       USER_NOTIFICATION,
+       USER_SLEEP
+} g_user_suspend_state;
+static int g_current_event_num;
+static struct workqueue_struct *g_suspend_work_queue;
+static void android_power_suspend(struct work_struct *work);
+static void android_power_wakeup_locked(int notification, ktime_t time);
+static DECLARE_WORK(g_suspend_work, android_power_suspend);
+static int g_max_user_lockouts = 16;
+
+//static const char g_free_user_lockout_name[] = "free_user";
+static struct {
+       enum {
+               USER_WAKE_LOCK_INACTIVE,
+               USER_WAKE_LOCK_PARTIAL,
+               USER_WAKE_LOCK_FULL
+       }                       state;
+       android_suspend_lock_t  suspend_lock;
+       char                    name_buffer[32];
+} *g_user_wake_locks;
+#ifdef CONFIG_ANDROID_POWER_STAT
+android_suspend_lock_t g_deleted_wake_locks;
+android_suspend_lock_t g_no_wake_locks;
+#endif
+static struct kobject *android_power_kobj;
+#ifndef CONFIG_FRAMEBUFFER_CONSOLE
+static wait_queue_head_t fb_state_wq;
+static spinlock_t fb_state_lock = SPIN_LOCK_UNLOCKED;
+int fb_state;
+#endif
+
+#if 0
+android_suspend_lock_t *android_allocate_suspend_lock(const char *debug_name)
+{
+       unsigned long irqflags;
+       struct android_power *e;
+
+       e = kzalloc(sizeof(*e), GFP_KERNEL);
+       if(e == NULL) {
+               printk("android_power_allocate: kzalloc failed\n");
+               return NULL;
+       }
+       e->name = debug_name;
+       spin_lock_irqsave(&g_list_lock, irqflags);
+       list_add(&e->link, &g_allocated);
+       spin_unlock_irqrestore(&g_list_lock, irqflags);
+       return e;
+}
+#endif
+
+static int android_init_suspend_lock_internal(
+       android_suspend_lock_t *lock, int has_spin_lock)
+{
+       unsigned long irqflags;
+
+       if(lock->name == NULL) {
+               printk(KERN_ERR "android_init_suspend_lock: error name=NULL, "
+                       "lock=%p\n", lock);
+               dump_stack();
+               return -EINVAL;
+       }
+
+       if (android_power_debug_mask & ANDROID_POWER_DEBUG_WAKE_LOCK)
+               printk(KERN_INFO "android_init_suspend_lock name=%s\n",
+                       lock->name);
+#ifdef CONFIG_ANDROID_POWER_STAT
+       lock->stat.count = 0;
+       lock->stat.expire_count = 0;
+       lock->stat.total_time = ktime_set(0, 0);
+       lock->stat.max_time = ktime_set(0, 0);
+       lock->stat.last_time = ktime_set(0, 0);
+#endif
+       lock->flags = 0;
+
+       INIT_LIST_HEAD(&lock->link);
+       if (!has_spin_lock)
+               spin_lock_irqsave(&g_list_lock, irqflags);
+       list_add(&lock->link, &g_inactive_locks);
+       if (!has_spin_lock)
+               spin_unlock_irqrestore(&g_list_lock, irqflags); 
+//     if(lock->flags & ANDROID_SUSPEND_LOCK_FLAG_USER_VISIBLE_MASK) {
+//             sysfs_create_file(struct kobject * k, const struct attribute * a)
+//     }
+       return 0;
+}
+
+int android_init_suspend_lock(android_suspend_lock_t *lock)
+{
+       return android_init_suspend_lock_internal(lock, 0);
+}
+
+void android_uninit_suspend_lock(android_suspend_lock_t *lock)
+{
+       unsigned long irqflags;
+       if (android_power_debug_mask & ANDROID_POWER_DEBUG_WAKE_LOCK)
+               printk(KERN_INFO "android_uninit_suspend_lock name=%s\n",
+                       lock->name);
+       spin_lock_irqsave(&g_list_lock, irqflags);
+#ifdef CONFIG_ANDROID_POWER_STAT
+       if(lock->stat.count) {
+               if(g_deleted_wake_locks.stat.count == 0) {
+                       g_deleted_wake_locks.name = "deleted_wake_locks";
+                       android_init_suspend_lock_internal(
+                               &g_deleted_wake_locks, 1);
+               }
+               g_deleted_wake_locks.stat.count += lock->stat.count;
+               g_deleted_wake_locks.stat.expire_count += lock->stat.expire_count;
+               g_deleted_wake_locks.stat.total_time = ktime_add(g_deleted_wake_locks.stat.total_time, lock->stat.total_time);
+               g_deleted_wake_locks.stat.max_time = ktime_add(g_deleted_wake_locks.stat.max_time, lock->stat.max_time);
+       }
+#endif
+       list_del(&lock->link);
+       spin_unlock_irqrestore(&g_list_lock, irqflags); 
+}
+
+void android_lock_idle(android_suspend_lock_t *lock)
+{
+       unsigned long irqflags;
+       spin_lock_irqsave(&g_list_lock, irqflags);
+#ifdef CONFIG_ANDROID_POWER_STAT
+       if(!(lock->flags & ANDROID_SUSPEND_LOCK_ACTIVE)) {
+               lock->flags |= ANDROID_SUSPEND_LOCK_ACTIVE;
+               lock->stat.last_time = ktime_get();
+       }
+#endif
+       if (android_power_debug_mask & ANDROID_POWER_DEBUG_WAKE_LOCK)
+               printk(KERN_INFO "android_power: acquire idle wake lock: %s\n",
+                       lock->name);
+       lock->expires = INT_MAX;
+       lock->flags &= ~ANDROID_SUSPEND_LOCK_AUTO_EXPIRE;
+       list_del(&lock->link);
+       list_add(&lock->link, &g_active_idle_wake_locks);
+       spin_unlock_irqrestore(&g_list_lock, irqflags);
+}
+
+void android_lock_idle_auto_expire(android_suspend_lock_t *lock, int timeout)
+{
+       unsigned long irqflags;
+       spin_lock_irqsave(&g_list_lock, irqflags);
+#ifdef CONFIG_ANDROID_POWER_STAT
+       if(!(lock->flags & ANDROID_SUSPEND_LOCK_ACTIVE)) {
+               lock->flags |= ANDROID_SUSPEND_LOCK_ACTIVE;
+               lock->stat.last_time = ktime_get();
+       }
+#endif
+       if (android_power_debug_mask & ANDROID_POWER_DEBUG_WAKE_LOCK)
+               printk(KERN_INFO "android_power: acquire idle wake lock: %s, "
+                       "timeout %d.%03lu\n", lock->name, timeout / HZ,
+                       (timeout % HZ) * MSEC_PER_SEC / HZ);
+       lock->expires = jiffies + timeout;
+       lock->flags |= ANDROID_SUSPEND_LOCK_AUTO_EXPIRE;
+       list_del(&lock->link);
+       list_add(&lock->link, &g_active_idle_wake_locks);
+       spin_unlock_irqrestore(&g_list_lock, irqflags);
+}
+
+void android_lock_suspend(android_suspend_lock_t *lock)
+{
+       unsigned long irqflags;
+       spin_lock_irqsave(&g_list_lock, irqflags);
+#ifdef CONFIG_ANDROID_POWER_STAT
+       if(!(lock->flags & ANDROID_SUSPEND_LOCK_ACTIVE)) {
+               lock->flags |= ANDROID_SUSPEND_LOCK_ACTIVE;
+               lock->stat.last_time = ktime_get();
+       }
+#endif
+       if (android_power_debug_mask & ANDROID_POWER_DEBUG_WAKE_LOCK)
+               printk(KERN_INFO "android_power: acquire wake lock: %s\n",
+                       lock->name);
+       lock->expires = INT_MAX;
+       lock->flags &= ~ANDROID_SUSPEND_LOCK_AUTO_EXPIRE;
+       list_del(&lock->link);
+       list_add(&lock->link, &g_active_partial_wake_locks);
+       g_current_event_num++;
+       spin_unlock_irqrestore(&g_list_lock, irqflags);
+}
+
+void android_lock_suspend_auto_expire(android_suspend_lock_t *lock, int timeout)
+{
+       unsigned long irqflags;
+       spin_lock_irqsave(&g_list_lock, irqflags);
+#ifdef CONFIG_ANDROID_POWER_STAT
+       if(!(lock->flags & ANDROID_SUSPEND_LOCK_ACTIVE)) {
+               lock->flags |= ANDROID_SUSPEND_LOCK_ACTIVE;
+               lock->stat.last_time = ktime_get();
+       }
+#endif
+       if (android_power_debug_mask & ANDROID_POWER_DEBUG_WAKE_LOCK)
+               printk(KERN_INFO "android_power: acquire wake lock: %s, "
+                       "timeout %d.%03lu\n", lock->name, timeout / HZ,
+                       (timeout % HZ) * MSEC_PER_SEC / HZ);
+       lock->expires = jiffies + timeout;
+       lock->flags |= ANDROID_SUSPEND_LOCK_AUTO_EXPIRE;
+       list_del(&lock->link);
+       list_add(&lock->link, &g_active_partial_wake_locks);
+       g_current_event_num++;
+       wake_up(&g_wait_queue);
+       spin_unlock_irqrestore(&g_list_lock, irqflags);
+}
+
+void android_lock_partial_suspend_auto_expire(android_suspend_lock_t *lock, int timeout)
+{
+       unsigned long irqflags;
+       spin_lock_irqsave(&g_list_lock, irqflags);
+#ifdef CONFIG_ANDROID_POWER_STAT
+       if(!(lock->flags & ANDROID_SUSPEND_LOCK_ACTIVE)) {
+               lock->flags |= ANDROID_SUSPEND_LOCK_ACTIVE;
+               lock->stat.last_time = ktime_get();
+       }
+#endif
+       if (android_power_debug_mask & ANDROID_POWER_DEBUG_WAKE_LOCK)
+               printk(KERN_INFO "android_power: acquire full wake lock: %s, "
+                       "timeout %d.%03lu\n", lock->name, timeout / HZ,
+                       (timeout % HZ) * MSEC_PER_SEC / HZ);
+       lock->expires = jiffies + timeout;
+       lock->flags |= ANDROID_SUSPEND_LOCK_AUTO_EXPIRE;
+       list_del(&lock->link);
+       list_add(&lock->link, &g_active_full_wake_locks);
+       g_current_event_num++;
+       wake_up(&g_wait_queue);
+       android_power_wakeup_locked(1, ktime_get());
+       spin_unlock_irqrestore(&g_list_lock, irqflags);
+}
+
+#ifdef CONFIG_ANDROID_POWER_STAT
+static int print_lock_stat(char *buf, android_suspend_lock_t *lock)
+{
+       ktime_t active_time;
+       if(lock->flags & ANDROID_SUSPEND_LOCK_ACTIVE)
+               active_time = ktime_sub(ktime_get(), lock->stat.last_time);
+       else
+               active_time = ktime_set(0, 0);
+       return sprintf(buf, "\"%s\"\t%d\t%d\t%lld\t%lld\t%lld\t%lld\n",
+                      lock->name,
+                      lock->stat.count, lock->stat.expire_count,
+                      ktime_to_ns(active_time),
+                      ktime_to_ns(lock->stat.total_time),
+                      ktime_to_ns(lock->stat.max_time),
+                      ktime_to_ns(lock->stat.last_time));
+}
+
+
+static int wakelocks_read_proc(char *page, char **start, off_t off,
+                               int count, int *eof, void *data)
+{
+       unsigned long irqflags;
+       android_suspend_lock_t *lock;
+       int len = 0;
+       char *p = page;
+
+       spin_lock_irqsave(&g_list_lock, irqflags);
+
+       p += sprintf(p, "name\tcount\texpire_count\tactive_since\ttotal_time\tmax_time\tlast_change\n");
+       list_for_each_entry(lock, &g_inactive_locks, link) {
+               p += print_lock_stat(p, lock);
+       }
+       list_for_each_entry(lock, &g_active_partial_wake_locks, link) {
+               p += print_lock_stat(p, lock);
+       }
+       list_for_each_entry(lock, &g_active_full_wake_locks, link) {
+               p += print_lock_stat(p, lock);
+       }
+       spin_unlock_irqrestore(&g_list_lock, irqflags);
+       
+
+       *start = page + off;
+
+       len = p - page;
+       if (len > off)
+               len -= off;
+       else
+               len = 0;
+
+       return len < count ? len  : count;
+}
+
+static void android_unlock_suspend_stat_locked(android_suspend_lock_t *lock)
+{
+       if(lock->flags & ANDROID_SUSPEND_LOCK_ACTIVE) {
+               ktime_t duration;
+               lock->flags &= ~ANDROID_SUSPEND_LOCK_ACTIVE;
+               lock->stat.count++;
+               duration = ktime_sub(ktime_get(), lock->stat.last_time);
+               lock->stat.total_time = ktime_add(lock->stat.total_time, duration);
+               if(ktime_to_ns(duration) > ktime_to_ns(lock->stat.max_time))
+                       lock->stat.max_time = duration;
+               lock->stat.last_time = ktime_get();
+       }
+}
+#endif
+
+void android_unlock_suspend(android_suspend_lock_t *lock)
+{
+       int had_full_wake_locks;
+       unsigned long irqflags;
+       spin_lock_irqsave(&g_list_lock, irqflags);
+#ifdef CONFIG_ANDROID_POWER_STAT
+       android_unlock_suspend_stat_locked(lock);
+#endif
+       if (android_power_debug_mask & ANDROID_POWER_DEBUG_WAKE_LOCK)
+               printk(KERN_INFO "android_power: release wake lock: %s\n",
+                       lock->name);
+       lock->flags &= ~ANDROID_SUSPEND_LOCK_AUTO_EXPIRE;
+       had_full_wake_locks = !list_empty(&g_active_full_wake_locks);
+       list_del(&lock->link);
+       list_add(&lock->link, &g_inactive_locks);
+       wake_up(&g_wait_queue);
+       if(had_full_wake_locks && list_empty(&g_active_full_wake_locks)) {
+               printk("android_unlock_suspend: released at %lld\n", ktime_to_ns(ktime_get()));
+               if(g_user_suspend_state == USER_NOTIFICATION) {
+                       printk("android sleep state %d->%d at %lld\n", g_user_suspend_state, USER_SLEEP, ktime_to_ns(ktime_get()));
+                       g_user_suspend_state = USER_SLEEP;
+                       queue_work(g_suspend_work_queue, &g_suspend_work);
+               }
+       }
+       spin_unlock_irqrestore(&g_list_lock, irqflags);
+}
+
+static void android_power_wakeup_locked(int notification, ktime_t time)
+{
+       int new_state = (notification == 0) ? USER_AWAKE : USER_NOTIFICATION;
+
+       if (android_power_debug_mask & ANDROID_POWER_DEBUG_USER_STATE) {
+               struct timespec ts;
+               struct rtc_time tm;
+               getnstimeofday(&ts);
+               rtc_time_to_tm(ts.tv_sec, &tm);
+               printk(KERN_INFO "android_power: wakeup (%d->%d) at %lld "
+                       "(%d-%02d-%02d %02d:%02d:%02d.%09lu UTC)\n",
+                       g_user_suspend_state, new_state, ktime_to_ns(time),
+                       tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday,
+                       tm.tm_hour, tm.tm_min, tm.tm_sec, ts.tv_nsec);
+       }
+
+       if(new_state >= g_user_suspend_state) {
+               return;
+       }
+       g_user_suspend_state = new_state;
+       g_current_event_num++;
+       wake_up(&g_wait_queue);
+}
+
+static void android_power_wakeup(void)
+{
+       unsigned long irqflags;
+
+       ktime_t ktime_now;
+
+       spin_lock_irqsave(&g_list_lock, irqflags);
+       ktime_now = ktime_get();
+       android_power_wakeup_locked(0, ktime_now);
+       spin_unlock_irqrestore(&g_list_lock, irqflags);
+}
+
+static void android_power_request_sleep(void)
+{
+       unsigned long irqflags;
+       int already_suspended;
+       android_suspend_lock_t *lock, *next_lock;
+
+       if (android_power_debug_mask & ANDROID_POWER_DEBUG_USER_STATE) {
+               ktime_t ktime_now;
+               struct timespec ts;
+               struct rtc_time tm;
+               ktime_now = ktime_get();
+               getnstimeofday(&ts);
+               rtc_time_to_tm(ts.tv_sec, &tm);
+               printk(KERN_INFO "android_power: sleep (%d->%d) at %lld "
+                      "(%d-%02d-%02d %02d:%02d:%02d.%09lu UTC)\n",
+                      g_user_suspend_state, USER_SLEEP, ktime_to_ns(ktime_now),
+                      tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday,
+                      tm.tm_hour, tm.tm_min, tm.tm_sec, ts.tv_nsec);
+       }
+
+       spin_lock_irqsave(&g_list_lock, irqflags);
+       already_suspended = g_user_suspend_state == USER_SLEEP;
+       if(!already_suspended) {
+               g_user_suspend_state = USER_SLEEP;
+       }
+
+       list_for_each_entry_safe(lock, next_lock, &g_active_full_wake_locks, link) {
+#ifdef CONFIG_ANDROID_POWER_STAT
+               android_unlock_suspend_stat_locked(lock);
+#endif
+               list_del(&lock->link);
+               list_add(&lock->link, &g_inactive_locks);
+               printk("android_power_suspend: aborted full wake lock %s\n", lock->name);
+       }
+       spin_unlock_irqrestore(&g_list_lock, irqflags);
+       queue_work(g_suspend_work_queue, &g_suspend_work);
+}
+
+void android_register_early_suspend(android_early_suspend_t *handler)
+{
+       struct list_head *pos;
+
+       mutex_lock(&g_early_suspend_lock);
+       list_for_each(pos, &g_early_suspend_handlers) {
+               android_early_suspend_t *e = list_entry(pos, android_early_suspend_t, link);
+               if(e->level > handler->level)
+                       break;
+       }
+       list_add_tail(&handler->link, pos);
+       mutex_unlock(&g_early_suspend_lock);
+}
+
+void android_unregister_early_suspend(android_early_suspend_t *handler)
+{
+       mutex_lock(&g_early_suspend_lock);
+       list_del(&handler->link);
+       mutex_unlock(&g_early_suspend_lock);
+}
+
+#ifdef CONFIG_FRAMEBUFFER_CONSOLE
+static int orig_fgconsole;
+static void console_early_suspend(android_early_suspend_t *h)
+{
+       acquire_console_sem();
+       orig_fgconsole = fg_console;
+       if (vc_allocate(ANDROID_SUSPEND_CONSOLE))
+               goto err;
+       if (set_console(ANDROID_SUSPEND_CONSOLE))
+               goto err;
+       release_console_sem();
+
+       if (vt_waitactive(ANDROID_SUSPEND_CONSOLE))
+               pr_warning("console_early_suspend: Can't switch VCs.\n");
+       return;
+err:
+       pr_warning("console_early_suspend: Can't set console\n");
+       release_console_sem();
+}
+
+static void console_late_resume(android_early_suspend_t *h)
+{
+       int ret;
+       acquire_console_sem();
+       ret = set_console(orig_fgconsole);
+       release_console_sem();
+       if (ret) {
+               pr_warning("console_late_resume: Can't set console.\n");
+               return;
+       }
+
+       if (vt_waitactive(orig_fgconsole))
+               pr_warning("console_late_resume: Can't switch VCs.\n");
+}
+
+static android_early_suspend_t console_early_suspend_desc = {
+       .level = ANDROID_EARLY_SUSPEND_LEVEL_CONSOLE_SWITCH,
+       .suspend = console_early_suspend,
+       .resume = console_late_resume,
+};
+#else
+/* tell userspace to stop drawing, wait for it to stop */
+static void stop_drawing_early_suspend(android_early_suspend_t *h)
+{
+       int ret;
+       unsigned long irq_flags;
+
+       spin_lock_irqsave(&fb_state_lock, irq_flags);
+       fb_state = ANDROID_REQUEST_STOP_DRAWING;
+       spin_unlock_irqrestore(&fb_state_lock, irq_flags);
+
+       wake_up_all(&fb_state_wq);
+       ret = wait_event_timeout(fb_state_wq,
+                                fb_state == ANDROID_STOPPED_DRAWING,
+                                HZ);
+       if (unlikely(fb_state != ANDROID_STOPPED_DRAWING))
+               printk(KERN_WARNING "android_power: timeout waiting for "
+                      "userspace to stop drawing\n");
+}
+
+/* tell userspace to start drawing */
+static void start_drawing_late_resume(android_early_suspend_t *h)
+{
+       unsigned long irq_flags;
+
+       spin_lock_irqsave(&fb_state_lock, irq_flags);
+       fb_state = ANDROID_DRAWING_OK;
+       spin_unlock_irqrestore(&fb_state_lock, irq_flags);
+       wake_up(&fb_state_wq);
+}
+
+static android_early_suspend_t stop_drawing_early_suspend_desc = {
+       .level = ANDROID_EARLY_SUSPEND_LEVEL_CONSOLE_SWITCH,
+       .suspend = stop_drawing_early_suspend,
+       .resume = start_drawing_late_resume,
+};
+#endif
+
+#if ANDROID_POWER_TEST_EARLY_SUSPEND
+
+typedef struct
+{
+       android_early_suspend_t h;
+       const char *string;
+} early_suspend_test_t;
+
+static void early_suspend_test(android_early_suspend_t *h)
+{
+       early_suspend_test_t *est = container_of(h, early_suspend_test_t, h);
+       printk("early suspend %s (l %d)\n", est->string, h->level);
+}
+
+static void late_resume_test(android_early_suspend_t *h)
+{
+       early_suspend_test_t *est = container_of(h, early_suspend_test_t, h);
+       printk("late resume %s (l %d)\n", est->string, h->level);
+}
+
+#define EARLY_SUSPEND_TEST_ENTRY(ilevel, istring) \
+{ \
+       .h = { \
+               .level = ilevel, \
+               .suspend = early_suspend_test, \
+               .resume = late_resume_test \
+       }, \
+       .string = istring \
+}
+static early_suspend_test_t early_suspend_tests[] = {
+       EARLY_SUSPEND_TEST_ENTRY(10, "1"),
+       EARLY_SUSPEND_TEST_ENTRY(5, "2"),
+       EARLY_SUSPEND_TEST_ENTRY(10, "3"),
+       EARLY_SUSPEND_TEST_ENTRY(15, "4"),
+       EARLY_SUSPEND_TEST_ENTRY(8, "5")
+};
+
+#endif
+
+static int get_wait_timeout(int print_locks, int state, struct list_head *list_head)
+{
+       unsigned long irqflags;
+       android_suspend_lock_t *lock, *next;
+       int max_timeout = 0;
+
+       spin_lock_irqsave(&g_list_lock, irqflags);
+       list_for_each_entry_safe(lock, next, list_head, link) {
+               if(lock->flags & ANDROID_SUSPEND_LOCK_AUTO_EXPIRE) {
+                       int timeout = lock->expires - (int)jiffies;
+                       if(timeout <= 0) {
+                               lock->flags &= ~ANDROID_SUSPEND_LOCK_AUTO_EXPIRE;
+#ifdef CONFIG_ANDROID_POWER_STAT
+                               lock->stat.expire_count++;
+                               android_unlock_suspend_stat_locked(lock);
+#endif
+                               list_del(&lock->link);
+                               list_add(&lock->link, &g_inactive_locks);
+                               if (android_power_debug_mask & ANDROID_POWER_DEBUG_WAKE_LOCK)
+                                       printk("expired wake lock %s\n", lock->name);
+                       }
+                       else {
+                               if(timeout > max_timeout)
+                                       max_timeout = timeout;
+                               if(print_locks)
+                                       printk("active wake lock %s, time left %d\n", lock->name, timeout);
+                       }
+               }
+               else {
+                       if(print_locks)
+                               printk("active wake lock %s\n", lock->name);
+               }
+       }
+       if(g_user_suspend_state != state || list_empty(list_head))
+               max_timeout = -1;
+       spin_unlock_irqrestore(&g_list_lock, irqflags);
+       return max_timeout;
+}
+
+#ifdef CONFIG_FRAMEBUFFER_CONSOLE
+static int android_power_class_suspend(struct sys_device *sdev, pm_message_t state)
+{
+       int rv = 0;
+       unsigned long irqflags;
+
+       printk("android_power_suspend: enter\n");
+       spin_lock_irqsave(&g_list_lock, irqflags);
+       if(!list_empty(&g_active_partial_wake_locks)) {
+               printk("android_power_suspend: abort for partial wakeup\n");
+               rv = -EAGAIN;
+       }
+       if(g_user_suspend_state != USER_SLEEP) {
+               printk("android_power_suspend: abort for full wakeup\n");
+               rv = -EAGAIN;
+       }
+       spin_unlock_irqrestore(&g_list_lock, irqflags);
+       return rv;
+}
+
+static int android_power_device_suspend(struct sys_device *sdev, pm_message_t state)
+{
+       int rv = 0;
+       unsigned long irqflags;
+
+       printk("android_power_device_suspend: enter\n");
+       spin_lock_irqsave(&g_list_lock, irqflags);
+       if(!list_empty(&g_active_partial_wake_locks)) {
+               printk("android_power_device_suspend: abort for partial wakeup\n");
+               rv = -EAGAIN;
+       }
+       if(g_user_suspend_state != USER_SLEEP) {
+               printk("android_power_device_suspend: abort for full wakeup\n");
+               rv = -EAGAIN;
+       }
+       spin_unlock_irqrestore(&g_list_lock, irqflags);
+       return rv;
+}
+#endif
+
+int android_power_is_driver_suspended(void)
+{
+       return (get_wait_timeout(0, USER_SLEEP, &g_active_partial_wake_locks) < 0) && (g_user_suspend_state == USER_SLEEP);
+}
+
+int android_power_is_low_power_idle_ok(void)
+{
+       get_wait_timeout(0, USER_SLEEP, &g_active_idle_wake_locks);
+       return list_empty(&g_active_idle_wake_locks);
+}
+
+static void android_power_suspend(struct work_struct *work)
+{
+       int entry_event_num;
+       int ret;
+       int wait = 0;
+       android_early_suspend_t *pos;
+       int print_locks = 0;
+       unsigned long irqflags;
+
+       while(g_user_suspend_state != USER_AWAKE) {
+               while(g_user_suspend_state == USER_NOTIFICATION) {
+                       wait = get_wait_timeout(print_locks, USER_NOTIFICATION, &g_active_full_wake_locks);
+                       if(wait < 0)
+                               break;
+                       if(wait)
+                               wait_event_interruptible_timeout(g_wait_queue, get_wait_timeout(0, USER_NOTIFICATION, &g_active_full_wake_locks) != wait, wait);
+               }
+               spin_lock_irqsave(&g_list_lock, irqflags);
+               if(g_user_suspend_state == USER_NOTIFICATION && list_empty(&g_active_full_wake_locks)) {
+                       printk("android sleep state %d->%d at %lld\n", g_user_suspend_state, USER_SLEEP, ktime_to_ns(ktime_get()));
+                       g_user_suspend_state = USER_SLEEP;
+               }
+               spin_unlock_irqrestore(&g_list_lock, irqflags);
+               wait = 0;
+               if(g_user_suspend_state == USER_AWAKE) {
+                       printk("android_power_suspend: suspend aborted\n");
+                       return;
+               }
+               
+               mutex_lock(&g_early_suspend_lock);
+               //printk("android_power_suspend: call early suspend handlers\n");
+               list_for_each_entry(pos, &g_early_suspend_handlers, link) {
+                       if(pos->suspend != NULL)
+                               pos->suspend(pos);
+               }
+               //printk("android_power_suspend: call early suspend handlers\n");
+
+               //printk("android_power_suspend: enter\n");
+
+               sys_sync();
+
+               while(g_user_suspend_state == USER_SLEEP) {
+                       //printk("android_power_suspend: enter wait (%d)\n", wait);
+                       if(wait) {
+                               wait_event_interruptible_timeout(g_wait_queue, g_user_suspend_state != USER_SLEEP, wait);
+                               wait = 0;
+                       }
+                       if (android_power_debug_mask & ANDROID_POWER_DEBUG_SUSPEND)
+                               print_locks = 1;
+                       while(1) {
+                               wait = get_wait_timeout(print_locks, USER_SLEEP, &g_active_partial_wake_locks);
+                               print_locks = 0;
+                               if(wait < 0)
+                                       break;
+                               if(wait)
+                                       wait_event_interruptible_timeout(g_wait_queue, get_wait_timeout(0, USER_SLEEP, &g_active_partial_wake_locks) != wait, wait);
+                               else
+                                       wait_event_interruptible(g_wait_queue, get_wait_timeout(0, USER_SLEEP, &g_active_partial_wake_locks) != wait);
+                       }
+                       wait = 0;
+                       //printk("android_power_suspend: exit wait\n");
+                       entry_event_num = g_current_event_num;
+                       if(g_user_suspend_state != USER_SLEEP)
+                               break;
+                       sys_sync();
+                       if (android_power_debug_mask & ANDROID_POWER_DEBUG_SUSPEND)
+                               printk(KERN_INFO "android_power_suspend: enter suspend\n");
+                       ret = pm_suspend(PM_SUSPEND_MEM);
+                       if (android_power_debug_mask & ANDROID_POWER_DEBUG_EXIT_SUSPEND) {
+                               struct timespec ts;
+                               struct rtc_time tm;
+                               getnstimeofday(&ts);
+                               rtc_time_to_tm(ts.tv_sec, &tm);
+                               printk("android_power_suspend: exit suspend, ret = %d "
+                                       "(%d-%02d-%02d %02d:%02d:%02d.%09lu UTC)\n", ret,
+                                       tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday,
+                                       tm.tm_hour, tm.tm_min, tm.tm_sec, ts.tv_nsec);
+                       }
+                       if(g_current_event_num == entry_event_num) {
+                               if (android_power_debug_mask & ANDROID_POWER_DEBUG_SUSPEND)
+                                       printk(KERN_INFO "android_power_suspend: pm_suspend returned with no event\n");
+                               wait = HZ / 2;
+#ifdef CONFIG_ANDROID_POWER_STAT
+                               if(g_no_wake_locks.stat.count == 0) {
+                                       g_no_wake_locks.name = "unknown_wakeups";
+                                       android_init_suspend_lock(&g_no_wake_locks);
+                               }
+                               g_no_wake_locks.stat.count++;
+                               g_no_wake_locks.stat.total_time = ktime_add(
+                                       g_no_wake_locks.stat.total_time,
+                                       ktime_set(0, 500 * NSEC_PER_MSEC));
+                               g_no_wake_locks.stat.max_time =
+                                       ktime_set(0, 500 * NSEC_PER_MSEC);
+#endif
+                       }
+               }
+               if (android_power_debug_mask & ANDROID_POWER_DEBUG_USER_STATE)
+                       printk("android_power_suspend: done\n");
+               //printk("android_power_suspend: call late resume handlers\n");
+               list_for_each_entry_reverse(pos, &g_early_suspend_handlers, link) {
+                       if(pos->resume != NULL)
+                               pos->resume(pos);
+               }
+               //printk("android_power_suspend: call late resume handlers\n");
+               mutex_unlock(&g_early_suspend_lock);
+       }
+}
+
+#if 0
+struct sysdev_class android_power_sysclass = {
+       set_kset_name("android_power"),
+       .suspend = android_power_class_suspend
+};
+static struct sysdev_class *g_android_power_sysclass = NULL;
+
+static struct {
+       struct sys_device sysdev;
+//     omap_csmi_gsm_image_info_t *pdata;
+} android_power_device = {
+       .sysdev = {
+               .id             = 0,
+               .cls            = &android_power_sysclass,
+//             .suspend = android_power_device_suspend
+       },
+//     .pdata = &g_gsm_image_info
+};
+
+struct sysdev_class *android_power_get_sysclass(void)
+{
+       return g_android_power_sysclass;
+}
+#endif
+
+static ssize_t state_show(struct kobject *kobj, struct kobj_attribute *attr, char * buf)
+{
+       char * s = buf;
+       unsigned long irqflags;
+
+       spin_lock_irqsave(&g_list_lock, irqflags);
+       s += sprintf(s, "%d-%d-%d\n", g_user_suspend_state, list_empty(&g_active_full_wake_locks), list_empty(&g_active_partial_wake_locks));
+       spin_unlock_irqrestore(&g_list_lock, irqflags);
+       return (s - buf);
+}
+
+static ssize_t state_store(struct kobject *kobj, struct kobj_attribute *attr, const char * buf, size_t n)
+{
+       if(n >= strlen("standby") &&
+          strncmp(buf, "standby", strlen("standby")) == 0) {
+               android_power_request_sleep();
+               wait_event_interruptible(g_wait_queue, g_user_suspend_state == USER_AWAKE);
+               return n;
+       }
+       if(n >= strlen("wake") &&
+          strncmp(buf, "wake", strlen("wake")) == 0) {
+               android_power_wakeup();
+               return n;
+       }
+       printk("android_power state_store: invalid argument\n");
+       return -EINVAL;
+}
+
+static ssize_t request_state_show(struct kobject *kobj, struct kobj_attribute *attr, char * buf)
+{
+       char * s = buf;
+       unsigned long irqflags;
+
+       spin_lock_irqsave(&g_list_lock, irqflags);
+       if(g_user_suspend_state == USER_AWAKE)
+               s += sprintf(s, "wake\n");
+       else if(g_user_suspend_state == USER_NOTIFICATION)
+               s += sprintf(s, "standby (w/full wake lock)\n");
+       else
+               s += sprintf(s, "standby\n");
+       spin_unlock_irqrestore(&g_list_lock, irqflags);
+       return (s - buf);
+}
+
+static ssize_t request_state_store(struct kobject *kobj, struct kobj_attribute *attr, const char * buf, size_t n)
+{
+       if(n >= strlen("standby") &&
+          strncmp(buf, "standby", strlen("standby")) == 0) {
+               android_power_request_sleep();
+               return n;
+       }
+       if(n >= strlen("wake") &&
+          strncmp(buf, "wake", strlen("wake")) == 0) {
+               android_power_wakeup();
+               return n;
+       }
+       printk("android_power state_store: invalid argument\n");
+       return -EINVAL;
+}
+
+
+static int lookup_wake_lock_name(const char *buf, size_t n, int allocate, int *timeout)
+{
+       int i;
+       int free_index = -1;
+       int inactive_index = -1;
+       int expires_index = -1;
+       int expires_time = INT_MAX;
+       char *tmp_buf[64];
+       char name[32];
+       u64 nanoseconds;
+       int num_arg;
+
+       if(n <= 0)
+               return -EINVAL;
+       if(n >= sizeof(tmp_buf))
+               return -EOVERFLOW;
+       if(n == sizeof(tmp_buf) - 1 && buf[n - 1] != '\0')
+               return -EOVERFLOW;
+
+       memcpy(tmp_buf, buf, n);
+       if(tmp_buf[n - 1] != '\0')
+               tmp_buf[n] = '\0';
+
+       num_arg = sscanf(buf, "%31s %llu", name, &nanoseconds);
+       if(num_arg < 1)
+               return -EINVAL;
+
+       if(strlen(name) >= sizeof(g_user_wake_locks[i].name_buffer))
+               return -EOVERFLOW;
+
+       if(timeout != NULL) {
+               if(num_arg > 1) {
+                       do_div(nanoseconds, (NSEC_PER_SEC / HZ));
+                       if(nanoseconds <= 0)
+                               nanoseconds = 1;
+                       *timeout = nanoseconds;
+               }
+               else
+                       *timeout = 0;
+       }
+
+       for(i = 0; i < g_max_user_lockouts; i++) {
+               if(strcmp(g_user_wake_locks[i].name_buffer, name) == 0)
+                       return i;
+               if(g_user_wake_locks[i].name_buffer[0] == '\0')
+                       free_index = i;
+               else if(g_user_wake_locks[i].state == USER_WAKE_LOCK_INACTIVE)
+                       inactive_index = i;
+               else if(g_user_wake_locks[i].suspend_lock.expires < expires_time)
+                       expires_index = i;
+       }
+       if(allocate) {
+               if(free_index >= 0)
+                       i = free_index;
+               else if(inactive_index >= 0)
+                       i = inactive_index;
+               else if(expires_index >= 0) {
+                       i = expires_index;
+                       printk("lookup_wake_lock_name: overwriting expired lock, %s\n", g_user_wake_locks[i].name_buffer);
+               }
+               else {
+                       i = 0;
+                       printk("lookup_wake_lock_name: overwriting active lock, %s\n", g_user_wake_locks[i].name_buffer);
+               }
+               strcpy(g_user_wake_locks[i].name_buffer, name);
+               return i;
+       }
+       if (android_power_debug_mask & ANDROID_POWER_DEBUG_USER_WAKE_LOCK)
+               printk(KERN_INFO "lookup_wake_lock_name: %s not found\n", name);
+       return -EINVAL;
+}
+
+static ssize_t acquire_full_wake_lock_show(struct kobject *kobj, struct kobj_attribute *attr, char * buf)
+{
+       int i;
+       char * s = buf;
+       unsigned long irqflags;
+
+       spin_lock_irqsave(&g_list_lock, irqflags);
+       for(i = 0; i < g_max_user_lockouts; i++) {
+               if(g_user_wake_locks[i].name_buffer[0] != '\0' && g_user_wake_locks[i].state == USER_WAKE_LOCK_FULL)
+                       s += sprintf(s, "%s ", g_user_wake_locks[i].name_buffer);
+       }
+       s += sprintf(s, "\n");
+       
+       spin_unlock_irqrestore(&g_list_lock, irqflags);
+       return (s - buf);
+}
+
+static ssize_t acquire_full_wake_lock_store(struct kobject *kobj, struct kobj_attribute *attr, const char * buf, size_t n)
+{
+       int i;
+       unsigned long irqflags;
+       int timeout;
+
+       spin_lock_irqsave(&g_list_lock, irqflags);
+       i = lookup_wake_lock_name(buf, n, 1, &timeout);
+       if(i >= 0)
+               g_user_wake_locks[i].state = USER_WAKE_LOCK_FULL;
+       spin_unlock_irqrestore(&g_list_lock, irqflags);
+       if(i < 0)
+               return i;
+
+       if (android_power_debug_mask & ANDROID_POWER_DEBUG_USER_WAKE_LOCK)
+               printk(KERN_INFO "acquire_full_wake_lock_store: %s, size %d\n",
+                       g_user_wake_locks[i].name_buffer, n);
+
+       //android_lock_partial_suspend_auto_expire(&g_user_wake_locks[i].suspend_lock, ktime_to_timespec(g_auto_off_timeout).tv_sec * HZ);
+       if(timeout == 0)
+               timeout = INT_MAX;
+       android_lock_partial_suspend_auto_expire(&g_user_wake_locks[i].suspend_lock, timeout);
+
+       return n;
+}
+
+static ssize_t acquire_partial_wake_lock_show(struct kobject *kobj, struct kobj_attribute *attr, char * buf)
+{
+       int i;
+       char * s = buf;
+       unsigned long irqflags;
+
+       spin_lock_irqsave(&g_list_lock, irqflags);
+       for(i = 0; i < g_max_user_lockouts; i++) {
+               if(g_user_wake_locks[i].name_buffer[0] != '\0' && g_user_wake_locks[i].state == USER_WAKE_LOCK_PARTIAL)
+                       s += sprintf(s, "%s ", g_user_wake_locks[i].name_buffer);
+       }
+       s += sprintf(s, "\n");
+       
+       spin_unlock_irqrestore(&g_list_lock, irqflags);
+       return (s - buf);
+}
+
+static ssize_t acquire_partial_wake_lock_store(struct kobject *kobj, struct kobj_attribute *attr, const char * buf, size_t n)
+{
+       int i;
+       unsigned long irqflags;
+       int timeout;
+
+       spin_lock_irqsave(&g_list_lock, irqflags);
+       i = lookup_wake_lock_name(buf, n, 1, &timeout);
+       if(i >= 0)
+               g_user_wake_locks[i].state = USER_WAKE_LOCK_PARTIAL;
+       spin_unlock_irqrestore(&g_list_lock, irqflags);
+       if(i < 0)
+               return 0;
+
+       if (android_power_debug_mask & ANDROID_POWER_DEBUG_USER_WAKE_LOCK)
+               printk(KERN_INFO "acquire_partial_wake_lock_store: %s, "
+                       "size %d\n", g_user_wake_locks[i].name_buffer, n);
+
+       if(timeout)
+               android_lock_suspend_auto_expire(&g_user_wake_locks[i].suspend_lock, timeout);
+       else
+               android_lock_suspend(&g_user_wake_locks[i].suspend_lock);
+
+       return n;
+}
+
+
+static ssize_t release_wake_lock_show(struct kobject *kobj, struct kobj_attribute *attr, char * buf)
+{
+       int i;
+       char * s = buf;
+       unsigned long irqflags;
+
+       spin_lock_irqsave(&g_list_lock, irqflags);
+       for(i = 0; i < g_max_user_lockouts; i++) {
+               if(g_user_wake_locks[i].name_buffer[0] != '\0' && g_user_wake_locks[i].state == USER_WAKE_LOCK_INACTIVE)
+                       s += sprintf(s, "%s ", g_user_wake_locks[i].name_buffer);
+       }
+       s += sprintf(s, "\n");
+       
+       spin_unlock_irqrestore(&g_list_lock, irqflags);
+       return (s - buf);
+}
+
+static ssize_t release_wake_lock_store(struct kobject *kobj, struct kobj_attribute *attr, const char * buf, size_t n)
+{
+       int i;
+       unsigned long irqflags;
+
+       spin_lock_irqsave(&g_list_lock, irqflags);
+       i = lookup_wake_lock_name(buf, n, 1, NULL);
+       if(i >= 0) {
+               g_user_wake_locks[i].state = USER_WAKE_LOCK_INACTIVE;
+       }
+       spin_unlock_irqrestore(&g_list_lock, irqflags);
+
+       if(i < 0)
+               return i;
+
+       if (android_power_debug_mask & ANDROID_POWER_DEBUG_USER_WAKE_LOCK)
+               printk(KERN_INFO "release_wake_lock_store: %s, size %d\n",
+                       g_user_wake_locks[i].name_buffer, n);
+
+       android_unlock_suspend(&g_user_wake_locks[i].suspend_lock);
+       return n;
+}
+
+
+#ifndef CONFIG_FRAMEBUFFER_CONSOLE
+static ssize_t wait_for_fb_sleep_show(struct kobject *kobj,
+                                     struct kobj_attribute *attr, char *buf)
+{
+       char * s = buf;
+       int ret;
+
+       ret = wait_event_interruptible(fb_state_wq,
+                                      fb_state != ANDROID_DRAWING_OK);
+       if (ret && fb_state == ANDROID_DRAWING_OK)
+               return ret;
+       else
+               s += sprintf(buf, "sleeping");
+       return (s - buf);
+}
+
+static ssize_t wait_for_fb_wake_show(struct kobject *kobj,
+                                    struct kobj_attribute *attr, char *buf)
+{
+       char * s = buf;
+       int ret;
+       unsigned long irq_flags;
+       
+       spin_lock_irqsave(&fb_state_lock, irq_flags);
+       if (fb_state == ANDROID_REQUEST_STOP_DRAWING) {
+               fb_state = ANDROID_STOPPED_DRAWING;
+               wake_up(&fb_state_wq);
+       }
+       spin_unlock_irqrestore(&fb_state_lock, irq_flags);
+
+       ret = wait_event_interruptible(fb_state_wq,
+                                      fb_state == ANDROID_DRAWING_OK);
+       if (ret && fb_state != ANDROID_DRAWING_OK)
+               return ret;
+       else
+               s += sprintf(buf, "awake");
+
+       return (s - buf);
+}
+#endif
+
+#define android_power_attr(_name) \
+static struct kobj_attribute _name##_attr = {  \
+       .attr   = {                             \
+               .name = __stringify(_name),     \
+               .mode = 0664,                   \
+       },                                      \
+       .show   = _name##_show,                 \
+       .store  = _name##_store,                \
+}
+
+#define android_power_ro_attr(_name) \
+static struct kobj_attribute _name##_attr = {  \
+       .attr   = {                             \
+               .name = __stringify(_name),     \
+               .mode = 0444,                   \
+       },                                      \
+       .show   = _name##_show,                 \
+       .store  = NULL,         \
+}
+
+android_power_attr(state);
+android_power_attr(request_state);
+android_power_attr(acquire_full_wake_lock);
+android_power_attr(acquire_partial_wake_lock);
+android_power_attr(release_wake_lock);
+#ifndef CONFIG_FRAMEBUFFER_CONSOLE
+android_power_ro_attr(wait_for_fb_sleep);
+android_power_ro_attr(wait_for_fb_wake);
+#endif
+
+static struct attribute * g[] = {
+       &state_attr.attr,
+       &request_state_attr.attr,
+       &acquire_full_wake_lock_attr.attr,
+       &acquire_partial_wake_lock_attr.attr,
+       &release_wake_lock_attr.attr,
+#ifndef CONFIG_FRAMEBUFFER_CONSOLE
+       &wait_for_fb_sleep_attr.attr,
+       &wait_for_fb_wake_attr.attr,
+#endif
+       NULL,
+};
+
+static struct attribute_group attr_group = {
+       .attrs = g,
+};
+
+#if 0
+// test code when there is no platform suspend
+
+static android_suspend_lock_t test_pm_ops_suspend_lock = {
+       .name = "test_pm_ops"
+};
+
+int test_pm_op_enter(suspend_state_t state)
+{
+       printk("test_pm_op_enter reached\n");
+       android_lock_suspend(&test_pm_ops_suspend_lock);
+       printk("test_pm_op_enter returned\n");
+       return 0;
+}
+
+void test_pm_ops_late_resume_handler(android_early_suspend_t *h)
+{
+       printk("test_pm_ops_late_resume_handler reached\n");
+       android_unlock_suspend(&test_pm_ops_suspend_lock);
+       printk("test_pm_ops_late_resume_handler returned\n");
+}
+
+static struct pm_ops test_pm_ops = {
+       .enter = test_pm_op_enter
+};
+
+static android_early_suspend_t test_pm_ops_early_suspend_handler = {
+       .resume = test_pm_ops_late_resume_handler
+};
+#endif
+
+static int __init android_power_init(void)
+{
+       int ret;
+       int i;
+
+#if 0
+       if(pm_ops == NULL) {
+               printk("android_power_init no pm_ops, installing test code\n");
+               pm_set_ops(&test_pm_ops);
+               android_init_suspend_lock(&test_pm_ops_suspend_lock);
+               android_register_early_suspend(&test_pm_ops_early_suspend_handler);
+       }
+#endif
+
+#ifdef CONFIG_ANDROID_POWER_STAT
+       g_deleted_wake_locks.stat.count = 0;
+#endif
+       init_waitqueue_head(&g_wait_queue);
+#ifndef CONFIG_FRAMEBUFFER_CONSOLE
+       init_waitqueue_head(&fb_state_wq);
+       fb_state = ANDROID_DRAWING_OK;
+#endif
+
+       g_user_wake_locks = kzalloc(sizeof(*g_user_wake_locks) * g_max_user_lockouts, GFP_KERNEL);
+       if(g_user_wake_locks == NULL) {
+               ret = -ENOMEM;
+               goto err1;
+       }
+       for(i = 0; i < g_max_user_lockouts; i++) {
+               g_user_wake_locks[i].suspend_lock.name = g_user_wake_locks[i].name_buffer;
+               android_init_suspend_lock(&g_user_wake_locks[i].suspend_lock);
+       }       
+
+       g_suspend_work_queue = create_workqueue("suspend");
+       if(g_suspend_work_queue == NULL) {
+               ret = -ENOMEM;
+               goto err2;
+       }
+
+       android_power_kobj = kobject_create_and_add("android_power", NULL);
+       if (android_power_kobj == NULL) {
+               printk("android_power_init: subsystem_register failed\n");
+               ret = -ENOMEM;
+               goto err3;
+       }
+       ret = sysfs_create_group(android_power_kobj, &attr_group);
+       if(ret) {
+               printk("android_power_init: sysfs_create_group failed\n");
+               goto err4;
+       }
+#ifdef CONFIG_ANDROID_POWER_STAT
+       create_proc_read_entry("wakelocks", S_IRUGO, NULL, wakelocks_read_proc, NULL);
+#endif
+
+#if ANDROID_POWER_TEST_EARLY_SUSPEND
+       {
+               int i;
+               for(i = 0; i < sizeof(early_suspend_tests) / sizeof(early_suspend_tests[0]); i++)
+                       android_register_early_suspend(&early_suspend_tests[i].h);
+       }
+#endif
+#ifdef CONFIG_FRAMEBUFFER_CONSOLE
+       android_register_early_suspend(&console_early_suspend_desc);
+#else
+       android_register_early_suspend(&stop_drawing_early_suspend_desc);
+#endif
+
+#if 0
+       ret = sysdev_class_register(&android_power_sysclass);
+       if(ret) {
+               printk("android_power_init: sysdev_class_register failed\n");
+               goto err1;
+       }
+       ret = sysdev_register(&android_power_device.sysdev);
+       if(ret < 0)
+               goto err2;
+
+       g_android_power_sysclass = &android_power_sysclass;
+#endif
+       return 0;
+
+//err2:
+//     sysdev_class_unregister(&android_power_sysclass);
+err4:
+       kobject_del(android_power_kobj);
+err3:
+       destroy_workqueue(g_suspend_work_queue);
+err2:
+       for(i = 0; i < g_max_user_lockouts; i++) {
+               android_uninit_suspend_lock(&g_user_wake_locks[i].suspend_lock);
+       }
+       kfree(g_user_wake_locks);
+err1:
+       return ret;
+}
+
+static void  __exit android_power_exit(void)
+{
+       int i;
+//     g_android_power_sysclass = NULL;
+//     sysdev_unregister(&android_power_device.sysdev);
+//     sysdev_class_unregister(&android_power_sysclass);
+#ifdef CONFIG_FRAMEBUFFER_CONSOLE
+       android_unregister_early_suspend(&console_early_suspend_desc);
+#else
+       android_unregister_early_suspend(&stop_drawing_early_suspend_desc);
+#endif
+#ifdef CONFIG_ANDROID_POWER_STAT
+       remove_proc_entry("wakelocks", NULL);
+#endif
+       sysfs_remove_group(android_power_kobj, &attr_group);
+       kobject_del(android_power_kobj);
+       destroy_workqueue(g_suspend_work_queue);
+       for(i = 0; i < g_max_user_lockouts; i++) {
+               android_uninit_suspend_lock(&g_user_wake_locks[i].suspend_lock);
+       }
+       kfree(g_user_wake_locks);
+}
+
+core_initcall(android_power_init);
+module_exit(android_power_exit);
+
+//EXPORT_SYMBOL(android_power_get_sysclass);
+EXPORT_SYMBOL(android_init_suspend_lock);
+EXPORT_SYMBOL(android_uninit_suspend_lock);
+EXPORT_SYMBOL(android_lock_suspend);
+EXPORT_SYMBOL(android_lock_suspend_auto_expire);
+EXPORT_SYMBOL(android_unlock_suspend);
+EXPORT_SYMBOL(android_power_wakeup);
+EXPORT_SYMBOL(android_register_early_suspend);
+EXPORT_SYMBOL(android_unregister_early_suspend);
+
+
diff --git a/drivers/android/ram_console.c b/drivers/android/ram_console.c
new file mode 100644 (file)
index 0000000..aec20f7
--- /dev/null
@@ -0,0 +1,395 @@
+/* drivers/android/ram_console.c
+ *
+ * Copyright (C) 2007-2008 Google, Inc.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#include <linux/console.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/proc_fs.h>
+#include <linux/string.h>
+#include <linux/uaccess.h>
+#include <asm/io.h>
+
+#ifdef CONFIG_ANDROID_RAM_CONSOLE_ERROR_CORRECTION
+#include <linux/rslib.h>
+#endif
+
+struct ram_console_buffer {
+       uint32_t    sig;
+       uint32_t    start;
+       uint32_t    size;
+       uint8_t     data[0];
+};
+
+#define RAM_CONSOLE_SIG (0x43474244) /* DBGC */
+
+#ifdef CONFIG_ANDROID_RAM_CONSOLE_EARLY_INIT
+static char __initdata
+       ram_console_old_log_init_buffer[CONFIG_ANDROID_RAM_CONSOLE_EARLY_SIZE];
+#endif
+static char *ram_console_old_log;
+static size_t ram_console_old_log_size;
+
+static struct ram_console_buffer *ram_console_buffer;
+static size_t ram_console_buffer_size;
+#ifdef CONFIG_ANDROID_RAM_CONSOLE_ERROR_CORRECTION
+static char *ram_console_par_buffer;
+static struct rs_control *ram_console_rs_decoder;
+static int ram_console_corrected_bytes;
+static int ram_console_bad_blocks;
+#define ECC_BLOCK_SIZE CONFIG_ANDROID_RAM_CONSOLE_ERROR_CORRECTION_DATA_SIZE
+#define ECC_SIZE CONFIG_ANDROID_RAM_CONSOLE_ERROR_CORRECTION_ECC_SIZE
+#define ECC_SYMSIZE CONFIG_ANDROID_RAM_CONSOLE_ERROR_CORRECTION_SYMBOL_SIZE
+#define ECC_POLY CONFIG_ANDROID_RAM_CONSOLE_ERROR_CORRECTION_POLYNOMIAL
+#endif
+
+#ifdef CONFIG_ANDROID_RAM_CONSOLE_ERROR_CORRECTION
+static void ram_console_encode_rs8(uint8_t *data, size_t len, uint8_t *ecc)
+{
+       int i;
+       uint16_t par[ECC_SIZE];
+       /* Initialize the parity buffer */
+       memset(par, 0, sizeof(par));
+       encode_rs8(ram_console_rs_decoder, data, len, par, 0);
+       for (i = 0; i < ECC_SIZE; i++)
+               ecc[i] = par[i];
+}
+
+static int ram_console_decode_rs8(void *data, size_t len, uint8_t *ecc)
+{
+       int i;
+       uint16_t par[ECC_SIZE];
+       for (i = 0; i < ECC_SIZE; i++)
+               par[i] = ecc[i];
+       return decode_rs8(ram_console_rs_decoder, data, par, len,
+                               NULL, 0, NULL, 0, NULL);
+}
+#endif
+
+static void ram_console_update(const char *s, unsigned int count)
+{
+       struct ram_console_buffer *buffer = ram_console_buffer;
+#ifdef CONFIG_ANDROID_RAM_CONSOLE_ERROR_CORRECTION
+       uint8_t *buffer_end = buffer->data + ram_console_buffer_size;
+       uint8_t *block;
+       uint8_t *par;
+       int size = ECC_BLOCK_SIZE;
+#endif
+       memcpy(buffer->data + buffer->start, s, count);
+#ifdef CONFIG_ANDROID_RAM_CONSOLE_ERROR_CORRECTION
+       block = buffer->data + (buffer->start & ~(ECC_BLOCK_SIZE - 1));
+       par = ram_console_par_buffer +
+             (buffer->start / ECC_BLOCK_SIZE) * ECC_SIZE;
+       do {
+               if (block + ECC_BLOCK_SIZE > buffer_end)
+                       size = buffer_end - block;
+               ram_console_encode_rs8(block, size, par);
+               block += ECC_BLOCK_SIZE;
+               par += ECC_SIZE;
+       } while (block < buffer->data + buffer->start + count);
+#endif
+}
+
+static void ram_console_update_header(void)
+{
+#ifdef CONFIG_ANDROID_RAM_CONSOLE_ERROR_CORRECTION
+       struct ram_console_buffer *buffer = ram_console_buffer;
+       uint8_t *par;
+       par = ram_console_par_buffer +
+             DIV_ROUND_UP(ram_console_buffer_size, ECC_BLOCK_SIZE) * ECC_SIZE;
+       ram_console_encode_rs8((uint8_t *)buffer, sizeof(*buffer), par);
+#endif
+}
+
+static void
+ram_console_write(struct console *console, const char *s, unsigned int count)
+{
+       int rem;
+       struct ram_console_buffer *buffer = ram_console_buffer;
+
+       if (count > ram_console_buffer_size) {
+               s += count - ram_console_buffer_size;
+               count = ram_console_buffer_size;
+       }
+       rem = ram_console_buffer_size - buffer->start;
+       if (rem < count) {
+               ram_console_update(s, rem);
+               s += rem;
+               count -= rem;
+               buffer->start = 0;
+               buffer->size = ram_console_buffer_size;
+       }
+       ram_console_update(s, count);
+
+       buffer->start += count;
+       if (buffer->size < ram_console_buffer_size)
+               buffer->size += count;
+       ram_console_update_header();
+}
+
+static struct console ram_console = {
+       .name   = "ram",
+       .write  = ram_console_write,
+       .flags  = CON_PRINTBUFFER | CON_ENABLED,
+       .index  = -1,
+};
+
+static void __init
+ram_console_save_old(struct ram_console_buffer *buffer, char *dest)
+{
+       size_t old_log_size = buffer->size;
+#ifdef CONFIG_ANDROID_RAM_CONSOLE_ERROR_CORRECTION
+       uint8_t *block;
+       uint8_t *par;
+       char strbuf[80];
+       int strbuf_len;
+
+       block = buffer->data;
+       par = ram_console_par_buffer;
+       while (block < buffer->data + buffer->size) {
+               int numerr;
+               int size = ECC_BLOCK_SIZE;
+               if (block + size > buffer->data + ram_console_buffer_size)
+                       size = buffer->data + ram_console_buffer_size - block;
+               numerr = ram_console_decode_rs8(block, size, par);
+               if (numerr > 0) {
+#if 0
+                       printk(KERN_INFO "ram_console: error in block %p, %d\n",
+                              block, numerr);
+#endif
+                       ram_console_corrected_bytes += numerr;
+               } else if (numerr < 0) {
+#if 0
+                       printk(KERN_INFO "ram_console: uncorrectable error in "
+                              "block %p\n", block);
+#endif
+                       ram_console_bad_blocks++;
+               }
+               block += ECC_BLOCK_SIZE;
+               par += ECC_SIZE;
+       }
+       if (ram_console_corrected_bytes || ram_console_bad_blocks)
+               strbuf_len = snprintf(strbuf, sizeof(strbuf),
+                       "\n%d Corrected bytes, %d unrecoverable blocks\n",
+                       ram_console_corrected_bytes, ram_console_bad_blocks);
+       else
+               strbuf_len = snprintf(strbuf, sizeof(strbuf),
+                                     "\nNo errors detected\n");
+       if (strbuf_len >= sizeof(strbuf))
+               strbuf_len = sizeof(strbuf) - 1;
+       old_log_size += strbuf_len;
+#endif
+
+       if (dest == NULL) {
+               dest = kmalloc(old_log_size, GFP_KERNEL);
+               if (dest == NULL) {
+                       printk(KERN_ERR
+                              "ram_console: failed to allocate buffer\n");
+                       return;
+               }
+       }
+
+       ram_console_old_log = dest;
+       ram_console_old_log_size = old_log_size;
+       memcpy(ram_console_old_log,
+              &buffer->data[buffer->start], buffer->size - buffer->start);
+       memcpy(ram_console_old_log + buffer->size - buffer->start,
+              &buffer->data[0], buffer->start);
+#ifdef CONFIG_ANDROID_RAM_CONSOLE_ERROR_CORRECTION
+       memcpy(ram_console_old_log + old_log_size - strbuf_len,
+              strbuf, strbuf_len);
+#endif
+}
+
+static int __init ram_console_init(struct ram_console_buffer *buffer,
+                                  size_t buffer_size, char *old_buf)
+{
+#ifdef CONFIG_ANDROID_RAM_CONSOLE_ERROR_CORRECTION
+       int numerr;
+       uint8_t *par;
+#endif
+       ram_console_buffer = buffer;
+       ram_console_buffer_size =
+               buffer_size - sizeof(struct ram_console_buffer);
+
+#ifdef CONFIG_ANDROID_RAM_CONSOLE_ERROR_CORRECTION
+       ram_console_buffer_size -= (DIV_ROUND_UP(ram_console_buffer_size,
+                                               ECC_BLOCK_SIZE) + 1) * ECC_SIZE;
+       ram_console_par_buffer = buffer->data + ram_console_buffer_size;
+
+
+       /* first consecutive root is 0
+        * primitive element to generate roots = 1
+        */
+       ram_console_rs_decoder = init_rs(ECC_SYMSIZE, ECC_POLY, 0, 1, ECC_SIZE);
+       if (ram_console_rs_decoder == NULL) {
+               printk(KERN_INFO "ram_console: init_rs failed\n");
+               return 0;
+       }
+               
+       ram_console_corrected_bytes = 0;
+       ram_console_bad_blocks = 0;
+
+       par = ram_console_par_buffer +
+             DIV_ROUND_UP(ram_console_buffer_size, ECC_BLOCK_SIZE) * ECC_SIZE;
+
+       numerr = ram_console_decode_rs8(buffer, sizeof(*buffer), par);
+       if (numerr > 0) {
+               printk(KERN_INFO "ram_console: error in header, %d\n", numerr);
+               ram_console_corrected_bytes += numerr;
+       } else if (numerr < 0) {
+               printk(KERN_INFO
+                      "ram_console: uncorrectable error in header\n");
+               ram_console_bad_blocks++;
+       }
+#endif
+
+       if (buffer->sig == RAM_CONSOLE_SIG) {
+               if (buffer->size > ram_console_buffer_size
+                   || buffer->start > buffer->size)
+                       printk(KERN_INFO "ram_console: found existing invalid "
+                              "buffer, size %d, start %d\n",
+                              buffer->size, buffer->start);
+               else {
+                       printk(KERN_INFO "ram_console: found existing buffer, "
+                              "size %d, start %d\n",
+                              buffer->size, buffer->start);
+                       ram_console_save_old(buffer, old_buf);
+               }
+       } else {
+               printk(KERN_INFO "ram_console: no valid data in buffer "
+                      "(sig = 0x%08x)\n", buffer->sig);
+       }
+
+       buffer->sig = RAM_CONSOLE_SIG;
+       buffer->start = 0;
+       buffer->size = 0;
+
+       register_console(&ram_console);
+#ifdef CONFIG_ANDROID_RAM_CONSOLE_ENABLE_VERBOSE
+       console_verbose();
+#endif
+       return 0;
+}
+
+#ifdef CONFIG_ANDROID_RAM_CONSOLE_EARLY_INIT
+static int __init ram_console_early_init(void)
+{
+       return ram_console_init((struct ram_console_buffer *)
+               CONFIG_ANDROID_RAM_CONSOLE_EARLY_ADDR,
+               CONFIG_ANDROID_RAM_CONSOLE_EARLY_SIZE,
+               ram_console_old_log_init_buffer);
+}
+#else
+static int ram_console_driver_probe(struct platform_device *pdev)
+{
+       struct resource *res = pdev->resource;
+       size_t start;
+       size_t buffer_size;
+       void *buffer;
+
+       if (res == NULL || pdev->num_resources != 1 ||
+           !(res->flags & IORESOURCE_MEM)) {
+               printk(KERN_ERR "ram_console: invalid resource, %p %d flags "
+                      "%lx\n", res, pdev->num_resources, res ? res->flags : 0);
+               return -ENXIO;
+       }
+       buffer_size = res->end - res->start + 1;
+       start = res->start;
+       printk(KERN_INFO "ram_console: got buffer at %x, size %x\n",
+              start, buffer_size);
+       buffer = ioremap(res->start, buffer_size);
+       if (buffer == NULL) {
+               printk(KERN_ERR "ram_console: failed to map memory\n");
+               return -ENOMEM;
+       }
+
+       return ram_console_init(buffer, buffer_size, NULL/* allocate */);
+}
+
+static struct platform_driver ram_console_driver = {
+       .probe = ram_console_driver_probe,
+       .driver         = {
+               .name   = "ram_console",
+       },
+};
+
+static int __init ram_console_module_init(void)
+{
+       int err;
+       err = platform_driver_register(&ram_console_driver);
+       return err;
+}
+#endif
+
+static ssize_t ram_console_read_old(struct file *file, char __user *buf,
+                                   size_t len, loff_t *offset)
+{
+       loff_t pos = *offset;
+       ssize_t count;
+
+       if (pos >= ram_console_old_log_size)
+               return 0;
+
+       count = min(len, (size_t)(ram_console_old_log_size - pos));
+       if (copy_to_user(buf, ram_console_old_log + pos, count))
+               return -EFAULT;
+
+       *offset += count;
+       return count;
+}
+
+static struct file_operations ram_console_file_ops = {
+       .owner = THIS_MODULE,
+       .read = ram_console_read_old,
+};
+
+static int __init ram_console_late_init(void)
+{
+       struct proc_dir_entry *entry;
+
+       if (ram_console_old_log == NULL)
+               return 0;
+#ifdef CONFIG_ANDROID_RAM_CONSOLE_EARLY_INIT
+       ram_console_old_log = kmalloc(ram_console_old_log_size, GFP_KERNEL);
+       if (ram_console_old_log == NULL) {
+               printk(KERN_ERR
+                      "ram_console: failed to allocate buffer for old log\n");
+               ram_console_old_log_size = 0;
+               return 0;
+       }
+       memcpy(ram_console_old_log,
+              ram_console_old_log_init_buffer, ram_console_old_log_size);
+#endif
+       entry = create_proc_entry("last_kmsg", S_IFREG | S_IRUGO, NULL);
+       if (!entry) {
+               printk(KERN_ERR "ram_console: failed to create proc entry\n");
+               kfree(ram_console_old_log);
+               ram_console_old_log = NULL;
+               return 0;
+       }
+
+       entry->proc_fops = &ram_console_file_ops;
+       entry->size = ram_console_old_log_size;
+       return 0;
+}
+
+#ifdef CONFIG_ANDROID_RAM_CONSOLE_EARLY_INIT
+console_initcall(ram_console_early_init);
+#else
+module_init(ram_console_module_init);
+#endif
+late_initcall(ram_console_late_init);
+
diff --git a/drivers/android/timed_gpio.c b/drivers/android/timed_gpio.c
new file mode 100644 (file)
index 0000000..d474d10
--- /dev/null
@@ -0,0 +1,177 @@
+/* drivers/android/timed_gpio.c
+ *
+ * Copyright (C) 2008 Google, Inc.
+ * Author: Mike Lockwood <lockwood@android.com>
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/hrtimer.h>
+#include <linux/err.h>
+#include <asm/arch/gpio.h>
+
+#include <linux/android_timed_gpio.h>
+
+
+static struct class *timed_gpio_class;
+
+struct timed_gpio_data {
+       struct device *dev;
+       struct hrtimer timer;
+       spinlock_t lock;
+       unsigned        gpio;
+       int             max_timeout;
+       u8              active_low;
+};
+
+static enum hrtimer_restart gpio_timer_func(struct hrtimer *timer)
+{
+       struct timed_gpio_data *gpio_data = container_of(timer, struct timed_gpio_data, timer);
+
+       gpio_direction_output(gpio_data->gpio, gpio_data->active_low ? 1 : 0);
+       return HRTIMER_NORESTART;
+}
+
+static ssize_t gpio_enable_show(struct device *dev, struct device_attribute *attr, char *buf)
+{
+       struct timed_gpio_data *gpio_data = dev_get_drvdata(dev);
+       int remaining;
+
+       if (hrtimer_active(&gpio_data->timer)) {
+               ktime_t r = hrtimer_get_remaining(&gpio_data->timer);
+               remaining = r.tv.sec * 1000 + r.tv.nsec / 1000000;
+       } else
+               remaining = 0;
+
+       return sprintf(buf, "%d\n", remaining);
+}
+
+static ssize_t gpio_enable_store(
+               struct device *dev, struct device_attribute *attr,
+               const char *buf, size_t size)
+{
+       struct timed_gpio_data *gpio_data = dev_get_drvdata(dev);
+       int value;
+       unsigned long   flags;
+
+       sscanf(buf, "%d", &value);
+
+       spin_lock_irqsave(&gpio_data->lock, flags);
+
+       /* cancel previous timer and set GPIO according to value */
+       hrtimer_cancel(&gpio_data->timer);
+       gpio_direction_output(gpio_data->gpio, gpio_data->active_low ? !value : !!value);
+
+       if (value > 0) {
+               if (value > gpio_data->max_timeout)
+                    &n