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linux/drivers
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Boris BREZILLON 5161b31dc3 watchdog: at91sam9_wdt: better watchdog support 
The at91sam9 watchdog timer can only be configured once, and the current
implementation tries to configure it in a static way:
- 2 seconds timeout
- wdt restart every 500ms

If the timer has already been configured with different values, it returns an
error and do not create any watchdog device.

This is not critical if the watchdog is disabled, but if it has been enabled with
different timeout values it will lead to a SoC reset.

This patch series tries to address this issue by adapting the heartbeat value
according the WDT timer config:
- it first tries to configure the timer as requested.
- if it fails it fallbacks to the current config, adapting its heartbeat timer
to the needs

This patch series also move to a dynamically allocated at91wdt device instead
of the static instance.

It adds a new at91 wdt type: software. This new type make use of the at91 wdt
interrupt to trigger a software reboot.

Finally it adds several properties to the device tree bindings.

Signed-off-by: Boris BREZILLON <b.brezillon@overkiz.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2014-01-28 21:28:37 +01:00
..
accessibility
acpi ACPI and power management updates for 3.14-rc1 2014-01-24 15:51:02 -08:00
amba
ata ACPI and power management updates for 3.14-rc1 2014-01-24 15:51:02 -08:00
atm
auxdisplay
base regmap: Updates for v3.14 2014-01-25 13:18:00 -08:00
bcma Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next into for-davem 2014-01-10 10:59:40 -05:00
block drivers/block/Kconfig: update RAM block device module name 2014-01-23 16:36:53 -08:00
bluetooth
bus
cdrom
char Merge branch 'ipmi' (ipmi patches from Corey Minyard) 2014-01-25 15:33:41 -08:00
clk The first half of the clk framework pull request is made up almost 2014-01-23 18:56:08 -08:00
clocksource ARM: SoC DT updates for 3.14 2014-01-23 18:45:38 -08:00
connector
cpufreq Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux 2014-01-24 17:13:49 -08:00
cpuidle
crypto ARM: driver updates for 3.14 2014-01-23 18:49:36 -08:00
dca
devfreq ARM: SoC cleanups for 3.14 2014-01-23 18:36:55 -08:00
dio
dma ARM: SoC DT updates for 3.14 2014-01-23 18:45:38 -08:00
edac Merge branch 'x86-ras-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2014-01-20 12:10:27 -08:00
eisa Revert "EISA: Initialize device before its resources" 2014-01-17 14:57:29 -07:00
extcon
firewire firewire: Enable remote DMA above 4 GB 2014-01-20 01:11:13 +01:00
firmware firmware/google: drop 'select EFI' to avoid recursive dependency 2014-01-27 21:02:40 -08:00
fmc
gpio ARM: driver updates for 3.14 2014-01-23 18:49:36 -08:00
gpu ACPI and power management updates for 3.14-rc1 2014-01-24 15:51:02 -08:00
hid ACPI and power management updates for 3.14-rc1 2014-01-24 15:51:02 -08:00
hsi
hv ACPI and power management updates for 3.14-rc1 2014-01-24 15:51:02 -08:00
hwmon Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux 2014-01-24 17:13:49 -08:00
hwspinlock
i2c ACPI and power management updates for 3.14-rc1 2014-01-24 15:51:02 -08:00
ide ACPI and power management updates for 3.14-rc1 2014-01-24 15:51:02 -08:00
idle ACPI and power management updates for 3.14-rc1 2014-01-24 15:51:02 -08:00
iio Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2014-01-22 21:21:55 -08:00
infiniband Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2014-01-25 11:17:34 -08:00
input Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input 2014-01-24 17:17:30 -08:00
iommu ACPI and power management updates for 3.14-rc1 2014-01-24 15:51:02 -08:00
ipack
irqchip Xtensa patchset for 3.14-rc1 2014-01-25 10:49:30 -08:00
isdn Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2014-01-25 11:17:34 -08:00
leds Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2014-01-22 21:21:55 -08:00
lguest
macintosh Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc 2014-01-27 21:11:26 -08:00
mailbox drivers/mailbox/omap: make mbox->irq signed for error handling 2014-01-23 16:36:53 -08:00
md md updates for 3.14 2014-01-24 17:41:50 -08:00
media Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2014-01-25 11:17:34 -08:00
memory
memstick drivers/memstick/host/rtsx_pci_ms.c: fix ms card data transfer bug 2014-01-23 16:37:04 -08:00
message MPT / PCI: Use pci_stop_and_remove_bus_device_locked() 2014-01-14 12:14:25 -07:00
mfd regulator: Updates for v3.14 2014-01-25 13:19:10 -08:00
misc Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2014-01-22 21:21:55 -08:00
mmc MMC highlights for 3.14: 2014-01-26 11:00:41 -08:00
mtd Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2014-01-22 21:21:55 -08:00
net Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc 2014-01-27 21:11:26 -08:00
nfc
ntb
nubus
of Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2014-01-25 11:17:34 -08:00
oprofile
parisc
parport TTY/Serial driver patches for 3.14-rc1 2014-01-20 16:05:23 -08:00
pci ACPI and power management updates for 3.14-rc1 2014-01-24 15:51:02 -08:00
pcmcia PCI changes for the v3.14 merge window: 2014-01-22 16:39:28 -08:00
phy Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2014-01-25 11:17:34 -08:00
pinctrl ARM: SoC DT updates for 3.14 2014-01-23 18:45:38 -08:00
platform ACPI and power management updates for 3.14-rc1 2014-01-24 15:51:02 -08:00
pnp Merge branch 'pnp' 2014-01-12 23:48:18 +01:00
power Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2014-01-25 11:17:34 -08:00
powercap
pps
ps3
ptp ptp_pch: Add dependency on HAS_IOMEM 2014-01-15 14:51:22 -08:00
pwm pwm: Changes for v3.14-rc1 2014-01-27 08:15:51 -08:00
rapidio
regulator regulator: Updates for v3.14 2014-01-25 13:19:10 -08:00
remoteproc
reset
rpmsg
rtc Merge branch 'akpm' (incoming from Andrew) 2014-01-23 19:11:50 -08:00
s390 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux 2014-01-28 09:02:24 -08:00
sbus
scsi Main batch of InfiniBand/RDMA changes for 3.14: 2014-01-24 17:18:32 -08:00
sfi
sh
sn
spi spi: Updates for v3.14 2014-01-25 13:20:36 -08:00
ssb
staging Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2014-01-25 11:17:34 -08:00
target
tc
thermal Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux 2014-01-24 17:13:49 -08:00
tty Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux 2014-01-28 09:02:24 -08:00
uio
usb ACPI and power management updates for 3.14-rc1 2014-01-24 15:51:02 -08:00
uwb
vfio Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc 2014-01-27 21:11:26 -08:00
vhost
video pwm: Changes for v3.14-rc1 2014-01-27 08:15:51 -08:00
virt
virtio A few simple fixes. Quiet cycle. 2014-01-22 22:24:35 -08:00
vlynq drivers/vlynq/vlynq.c: fix another resource size off by 1 error 2014-01-23 16:36:55 -08:00
vme
w1 drivers/w1/masters/w1-gpio.c: add strong pullup emulation 2014-01-23 16:37:04 -08:00
watchdog watchdog: at91sam9_wdt: better watchdog support 2014-01-28 21:28:37 +01:00
xen ACPI and power management updates for 3.14-rc1 2014-01-24 15:51:02 -08:00
zorro
Kconfig
Makefile