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Anton Vorontsov 500c919e3d [WATCHDOG] mpc83xx_wdt: add support for MPC86xx CPUs 
On MPC86xx the watchdog could be enabled only at power-on-reset, and could
not be disabled afterwards.  We must ping the watchdog from the kernel
until the userspace handles it.

MPC83xx CPUs are only differ in a way that watchdog could be disabled
once, but after it was enabled via software it becomes just the same as
MPC86xx.

Thus, to support MPC86xx I added the kernel timer which pings the watchdog
until the userspace opens it.

Since we implemented the timer, now we're able to implement proper
handling for the CONFIG_WATCHDOG_NOWAYOUT case, for MPC83xx and MPC86xx.

Also move the probe code into subsys_initcall, because we want start
pinging the watchdog ASAP, and misc devices are available in
subsys_initcall.

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Cc: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2008-08-06 13:05:12 +00:00
..
accessibility
acpi Remove newline from the description of module parameters 2008-08-01 12:46:41 -07:00
amba
ata pata_it821x: Driver updates and reworking 2008-07-31 02:04:50 -04:00
atm atm: fix direct casts of pointers to u32 in the InterPhase driver 2008-07-30 16:33:05 -07:00
auxdisplay auxdisplay: small cleanups 2008-07-24 10:47:41 -07:00
base Merge branch 'core-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2008-08-01 11:52:39 -07:00
block block/cciss.c: remove pointless curr_queue calculation 2008-08-05 14:33:46 -07:00
bluetooth bluetooth: add quirks for a few hci_usb devices 2008-07-30 17:19:35 -07:00
cdrom cdrom: don't check CDC_PLAY_AUDIO in cdrom_count_tracks() 2008-08-05 18:17:02 +02:00
char Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc 2008-08-04 17:25:06 -07:00
clocksource
connector
cpufreq cpufreq acpi: only call _PPC after cpufreq ACPI init funcs got called already 2008-07-30 09:41:43 -07:00
cpuidle ACPI/CPUIDLE: prevent setting pm_idle to NULL 2008-07-28 08:31:58 -07:00
crypto
dca
dio
dma
edac edac: mpc85xx fix pci ofdev 2nd pass 2008-07-25 10:53:49 -07:00
eisa
firewire Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6 2008-07-27 10:24:06 -07:00
firmware iscsi_ibft_find: fix modpost warning 2008-07-30 09:41:44 -07:00
gpio gpio: max732x driver 2008-07-25 10:53:30 -07:00
gpu Remove newline from the description of module parameters 2008-08-01 12:46:41 -07:00
hid
hwmon Merge branch 'release' of git://lm-sensors.org/kernel/mhoffman/hwmon-2.6 2008-08-01 11:33:19 -07:00
i2c i2c: Blackfin I2C Driver: Functional power management support 2008-07-28 12:41:03 +01:00
ide ide: ->cable_detect method cannot be marked __devinit 2008-08-05 18:17:04 +02:00
ieee1394
infiniband powerpc: Move include files to arch/powerpc/include/asm 2008-08-04 12:02:00 +10:00
input maple: Kill useless private_data pointer. 2008-08-04 10:58:24 +09:00
isdn Add DIP switch readout for HFC-4S IOB4ST 2008-08-02 16:40:37 +02:00
leds
lguest lguest: use cpu capability accessors 2008-07-29 09:58:34 +10:00
macintosh remove unnecessary <linux/hdreg.h> includes 2008-08-05 18:16:58 +02:00
mca
md Merge branch 'for-linus' of git://neil.brown.name/md 2008-08-01 11:56:07 -07:00
media drivers/media/video/vino.c needs v4l2-ioctl.h 2008-08-05 14:33:50 -07:00
memstick memstick: use fully asynchronous request processing 2008-07-26 12:00:04 -07:00
message Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6 2008-07-27 10:04:52 -07:00
mfd mfd: accept pure device as a parent, not only platform_device 2008-07-29 01:30:26 +02:00
misc drivers/misc/sgi-gru/grutlbpurge.c: removed duplicated #include 2008-08-05 14:33:49 -07:00
mmc au1xmmc: raise segment size limit. 2008-08-01 19:04:26 +02:00
mtd Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm 2008-08-03 10:39:02 -07:00
net Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6 2008-08-05 19:37:42 -07:00
nubus
of spi: Add OF binding support for SPI busses 2008-07-25 22:34:40 -04:00
oprofile
parisc
parport make parport_cs_release() static 2008-07-26 12:00:11 -07:00
pci PCI: add D3 power state avoidance quirk 2008-07-28 15:12:11 -07:00
pcmcia Merge git://git.kernel.org/pub/scm/linux/kernel/git/brodo/pcmcia-fixes-2.6 2008-08-04 17:14:21 -07:00
pnp PNP: fix formatting of dbg_pnp_show_resources() output 2008-08-01 12:46:41 -07:00
power Merge branch 'master' of /home/cbou/linux-2.6 2008-07-30 02:05:23 +04:00
ps3
rapidio
regulator regulator: TI bq24022 Li-Ion Charger driver 2008-07-30 10:10:23 +01:00
rtc blackfin RTC driver: drop PIE/stopwatch code since the hardware can only do a max of 1HZ and this same functionality is provided by UIE 2008-08-05 14:33:48 -07:00
s390 [S390] qeth: avoid use of include/asm-s390 2008-08-01 16:39:36 +02:00
sbus
scsi Re-introduce "[SCSI] extend the last_sector_bug flag to cover more sectors" 2008-08-05 21:42:21 -07:00
serial cris: Fixup compile problems 2008-08-04 17:12:07 -07:00
sh sh: Fix up broken kerneldoc comments. 2008-08-04 12:51:06 +09:00
sn
spi spi: new orion_spi driver 2008-08-05 14:33:46 -07:00
ssb
tc
telephony ixj: push BKL into driver and wrap ioctls 2008-07-25 10:53:43 -07:00
thermal
uio
usb Merge git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6 2008-08-05 11:39:33 -07:00
video atyfb_base.c: fix warning 2008-08-05 14:33:49 -07:00
virtio virtio: Add transport feature handling stub for virtio_ring. 2008-07-25 12:06:14 +10:00
w1
watchdog [WATCHDOG] mpc83xx_wdt: add support for MPC86xx CPUs 2008-08-06 13:05:12 +00:00
xen
zorro
Kconfig
Makefile regulator: core kbuild files 2008-07-30 10:10:22 +01:00