Merge branch '2.6.23' into 2.6.22.6-imx27

Conflicts:

	Documentation/kernel-parameters.txt
	Makefile
	arch/arm/Kconfig
	arch/arm/Makefile
	arch/arm/mach-mx3/Kconfig
	arch/arm/mach-mx3/Makefile
	arch/arm/mach-mx3/mm.c
	arch/arm/mach-mx3/mx31ads.c
	arch/arm/mm/Kconfig
	arch/arm/plat-mxc/Kconfig
	arch/arm/plat-mxc/Makefile
	arch/arm/plat-mxc/irq.c
	block/cfq-iosched.c
	drivers/ata/ahci.c
	drivers/ata/libata-core.c
	drivers/char/watchdog/Kconfig
	drivers/firewire/fw-sbp2.c
	drivers/md/dm-crypt.c
	drivers/media/video/pwc/pwc-if.c
	drivers/mmc/card/Kconfig
	drivers/mmc/card/queue.c
	drivers/mmc/core/Makefile
	drivers/mmc/core/bus.c
	drivers/mmc/core/core.c
	drivers/mmc/core/host.c
	drivers/mmc/core/mmc.c
	drivers/mmc/core/sd.c
	drivers/mmc/core/sd_ops.c
	drivers/mmc/host/at91_mci.c
	drivers/mmc/host/sdhci.c
	drivers/net/bonding/bond_main.c
	drivers/net/fec.c
	drivers/net/forcedeth.c
	drivers/net/r8169.c
	drivers/net/sky2.c
	drivers/rtc/Kconfig
	drivers/rtc/Makefile
	drivers/spi/Kconfig
	drivers/spi/Makefile
	drivers/usb/gadget/Makefile
	drivers/usb/gadget/gadget_chips.h
	drivers/usb/host/ehci.h
	drivers/video/logo/logo.c
	drivers/w1/slaves/Makefile
	fs/9p/conv.c
	fs/direct-io.c
	fs/exec.c
	fs/ocfs2/file.c
	fs/signalfd.c
	fs/sysfs/file.c
	include/asm-arm/arch-mxc/dma.h
	include/asm-arm/arch-mxc/entry-macro.S
	include/asm-arm/arch-mxc/hardware.h
	include/asm-arm/arch-mxc/io.h
	include/asm-arm/arch-mxc/irqs.h
	include/asm-arm/arch-mxc/memory.h
	include/asm-arm/arch-mxc/mx31.h
	include/asm-arm/arch-mxc/mxc.h
	include/asm-arm/arch-mxc/system.h
	include/asm-arm/arch-mxc/timex.h
	include/asm-arm/arch-mxc/uncompress.h
	include/asm-arm/arch-mxc/vmalloc.h
	include/linux/fsl_devices.h
	include/linux/ioprio.h
	kernel/lockdep_proc.c
	kernel/signal.c
	mm/hugetlb.c
	mm/readahead.c
	net/bluetooth/rfcomm/tty.c
	net/bridge/br_device.c
	net/core/dev.c
	net/ieee80211/softmac/ieee80211softmac_assoc.c
	net/ieee80211/softmac/ieee80211softmac_wx.c
	net/ipv4/netfilter/nf_conntrack_proto_icmp.c
	net/ipv4/tcp_input.c
	net/netfilter/nf_conntrack_proto_sctp.c

1 files changed, 22 insertions, 0 deletions

diff --git a/include/linux/notifier.h b/include/linux/notifier.h
index 9431101bf876..fad7ff17e468 100644
--- a/include/linux/notifier.h
+++ b/include/linux/notifier.h
@@ -157,6 +157,19 @@ extern int __srcu_notifier_call_chain(struct srcu_notifier_head *nh,
  */
 #define NOTIFY_STOP		(NOTIFY_OK|NOTIFY_STOP_MASK)
 
+/* Encapsulate (negative) errno value (in particular, NOTIFY_BAD <=> EPERM). */
+static inline int notifier_from_errno(int err)
+{
+	return NOTIFY_STOP_MASK | (NOTIFY_OK - err);
+}
+
+/* Restore (negative) errno value from notify return value. */
+static inline int notifier_to_errno(int ret)
+{
+	ret &= ~NOTIFY_STOP_MASK;
+	return ret > NOTIFY_OK ? NOTIFY_OK - ret : 0;
+}
+
 /*
  *	Declared notifiers so far. I can imagine quite a few more chains
  *	over time (eg laptop power reset chains, reboot chain (to clean 
@@ -196,6 +209,8 @@ extern int __srcu_notifier_call_chain(struct srcu_notifier_head *nh,
 #define CPU_DEAD		0x0007 /* CPU (unsigned)v dead */
 #define CPU_LOCK_ACQUIRE	0x0008 /* Acquire all hotcpu locks */
 #define CPU_LOCK_RELEASE	0x0009 /* Release all hotcpu locks */
+#define CPU_DYING		0x000A /* CPU (unsigned)v not running any task,
+				        * not handling interrupts, soon dead */
 
 /* Used for CPU hotplug events occuring while tasks are frozen due to a suspend
  * operation in progress
@@ -208,6 +223,13 @@ extern int __srcu_notifier_call_chain(struct srcu_notifier_head *nh,
 #define CPU_DOWN_PREPARE_FROZEN	(CPU_DOWN_PREPARE | CPU_TASKS_FROZEN)
 #define CPU_DOWN_FAILED_FROZEN	(CPU_DOWN_FAILED | CPU_TASKS_FROZEN)
 #define CPU_DEAD_FROZEN		(CPU_DEAD | CPU_TASKS_FROZEN)
+#define CPU_DYING_FROZEN	(CPU_DYING | CPU_TASKS_FROZEN)
+
+/* Hibernation and suspend events */
+#define PM_HIBERNATION_PREPARE	0x0001 /* Going to hibernate */
+#define PM_POST_HIBERNATION	0x0002 /* Hibernation finished */
+#define PM_SUSPEND_PREPARE	0x0003 /* Going to suspend the system */
+#define PM_POST_SUSPEND		0x0004 /* Suspend finished */
 
 #endif /* __KERNEL__ */
 #endif /* _LINUX_NOTIFIER_H */