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23afeb613e
linux/drivers/watchdog
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Gabor Juhos 23afeb613e watchdog: ath79_wdt: avoid spurious restarts on AR934x 
On some AR934x based systems, where the frequency of
the AHB bus is relatively high, the built-in watchdog
causes a spurious restart when it gets enabled.

The possible cause of these restarts is that the timeout
value written into the TIMER register does not reaches
the hardware in time.

Add an explicit delay into the ath79_wdt_enable function
to avoid the spurious restarts.

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Cc: <stable@vger.kernel.org>
2014-06-10 21:40:48 +02:00
..
acquirewdt.c watchdog: acquirewdt: Use platform_driver_probe 2014-03-31 13:34:30 +02:00
advantechwdt.c watchdog: advantechwdt: Use platform_driver_probe 2014-03-31 13:34:44 +02:00
alim1535_wdt.c watchdog: remove DEFINE_PCI_DEVICE_TABLE macro 2014-01-28 19:07:07 +01:00
alim7101_wdt.c watchdog: remove DEFINE_PCI_DEVICE_TABLE macro 2014-01-28 19:07:07 +01:00
ar7_wdt.c watchdog: delete non-required instances of include <linux/init.h> 2014-03-31 13:22:45 +02:00
at32ap700x_wdt.c watchdog: Remove unnecessary OOM messages 2014-03-31 13:23:19 +02:00
at91rm9200_wdt.c watchdog: Get rid of MODULE_ALIAS_MISCDEV statements 2013-11-17 19:38:13 +01:00
at91sam9_wdt.c watchdog: at91sam9_wdt: increase security margin on watchdog counter reset 2014-01-28 21:34:55 +01:00
at91sam9_wdt.h ARM: at91: make watchdog drivers soc independent 2011-11-28 22:50:39 +08:00
ath79_wdt.c watchdog: ath79_wdt: avoid spurious restarts on AR934x 2014-06-10 21:40:48 +02:00
bcm47xx_wdt.c watchdog: delete non-required instances of include <linux/init.h> 2014-03-31 13:22:45 +02:00
bcm63xx_wdt.c watchdog: bcm63xx_wdt: Remove unused field from bcm63xx_wdt_device 2014-03-31 13:26:04 +02:00
bcm2835_wdt.c watchdog: Remove unnecessary OOM messages 2014-03-31 13:23:19 +02:00
bcm_kona_wdt.c watchdog: bcm281xx: Debugfs support 2014-01-28 21:17:53 +01:00
bfin_wdt.c watchdog: Get rid of MODULE_ALIAS_MISCDEV statements 2013-11-17 19:38:13 +01:00
booke_wdt.c Revert "powerpc/watchdog: Don't enable interrupt on PPC64 BookE" 2014-03-19 19:57:35 -05:00
coh901327_wdt.c watchdog: coh901327: devicetree support 2013-05-31 11:25:52 +02:00
cpu5wdt.c watchdog: delete non-required instances of include <linux/init.h> 2014-03-31 13:22:45 +02:00
cpwd.c watchdog: delete non-required instances of include <linux/init.h> 2014-03-31 13:22:45 +02:00
da9052_wdt.c watchdog: Remove unnecessary OOM messages 2014-03-31 13:23:19 +02:00
da9055_wdt.c watchdog: Remove unnecessary OOM messages 2014-03-31 13:23:19 +02:00
davinci_wdt.c watchdog: delete non-required instances of include <linux/init.h> 2014-03-31 13:22:45 +02:00
dw_wdt.c watchdog: dw_wdt: remove build dependencies 2014-01-28 21:25:46 +01:00
ep93xx_wdt.c watchdog: fix checkpatch warnings and error 2014-03-31 13:31:06 +02:00
eurotechwdt.c watchdog: Get rid of MODULE_ALIAS_MISCDEV statements 2013-11-17 19:38:13 +01:00
f71808e_wdt.c watchdog: f71808e_wdt: Add support for Jetway JNF99 motherboard 2012-07-23 12:46:38 +02:00
gef_wdt.c watchdog: Get rid of MODULE_ALIAS_MISCDEV statements 2013-11-17 19:38:13 +01:00
geodewdt.c watchdog: geodewdt: Use platform_driver_probe 2014-03-31 13:35:05 +02:00
gpio_wdt.c watchdog: GPIO-controlled watchdog 2014-01-28 21:21:02 +01:00
hpwdt.c watchdog: delete non-required instances of include <linux/init.h> 2014-03-31 13:22:45 +02:00
i6300esb.c watchdog: delete non-required instances of include <linux/init.h> 2014-03-31 13:22:45 +02:00
ib700wdt.c watchdog: ib700wdt: Use platform_driver_probe 2014-03-31 13:35:26 +02:00
ibmasr.c watchdog: fix checkpatch warnings and error 2014-03-31 13:31:06 +02:00
ie6xx_wdt.c watchdog: Drop unnecessary include of miscdevice.h 2013-12-10 08:48:09 +01:00
imx2_wdt.c watchdog: imx2_wdt: disable watchdog timer during low power mode 2014-01-28 21:25:20 +01:00
indydog.c watchdog: indydog: Simplify indydog_{start,stop} 2014-03-31 13:26:31 +02:00
intel_scu_watchdog.c watchdog: intel_scu_watchdog: Remove unused variable 2014-03-31 13:26:56 +02:00
intel_scu_watchdog.h watchdog: Use pr_<fmt> and pr_<level> 2012-03-27 19:59:26 +02:00
iop_wdt.c watchdog: Get rid of MODULE_ALIAS_MISCDEV statements 2013-11-17 19:38:13 +01:00
it87_wdt.c watchdog: it87_wdt: Work around non-working CIR interrupts 2014-03-31 13:33:55 +02:00
it8712f_wdt.c watchdog: Get rid of MODULE_ALIAS_MISCDEV statements 2013-11-17 19:38:13 +01:00
iTCO_vendor_support.c watchdog: Convert iTCO_wdt driver to mfd model 2012-05-09 17:20:09 +02:00
iTCO_vendor.h watchdog: Convert iTCO_wdt driver to mfd model 2012-05-09 17:20:09 +02:00
iTCO_wdt.c == Changes to existing drivers == 2014-04-07 10:24:18 -07:00
ixp4xx_wdt.c watchdog: Get rid of MODULE_ALIAS_MISCDEV statements 2013-11-17 19:38:13 +01:00
jz4740_wdt.c watchdog: delete non-required instances of include <linux/init.h> 2014-03-31 13:22:45 +02:00
Kconfig watchdog: Fix SBC8360 dependencies 2014-06-10 21:37:14 +02:00
kempld_wdt.c watchdog: kempld-wdt: Use the correct value when configuring the prescaler with the watchdog 2014-06-10 21:39:48 +02:00
ks8695_wdt.c watchdog: Get rid of MODULE_ALIAS_MISCDEV statements 2013-11-17 19:38:13 +01:00
lantiq_wdt.c watchdog: Get rid of MODULE_ALIAS_MISCDEV statements 2013-11-17 19:38:13 +01:00
m54xx_wdt.c watchdog: Get rid of MODULE_ALIAS_MISCDEV statements 2013-11-17 19:38:13 +01:00
machzwd.c watchdog: Get rid of MODULE_ALIAS_MISCDEV statements 2013-11-17 19:38:13 +01:00
Makefile watchdog: Add tegra watchdog 2014-03-31 13:30:29 +02:00
max63xx_wdt.c watchdog: delete non-required instances of include <linux/init.h> 2014-03-31 13:22:45 +02:00
mena21_wdt.c watchdog: New watchdog driver for MEN A21 watchdogs 2013-07-11 22:19:05 +02:00
mixcomwd.c watchdog: Get rid of MODULE_ALIAS_MISCDEV statements 2013-11-17 19:38:13 +01:00
moxart_wdt.c watchdog: mach-moxart: add restart handler 2014-01-28 21:27:32 +01:00
mpc8xxx_wdt.c watchdog: mpc8xxx_wdt: MPC8xx is HW enabled 2014-03-31 13:21:33 +02:00
mtx-1_wdt.c watchdog: delete non-required instances of include <linux/init.h> 2014-03-31 13:22:45 +02:00
mv64x60_wdt.c watchdog: Get rid of MODULE_ALIAS_MISCDEV statements 2013-11-17 19:38:13 +01:00
nuc900_wdt.c watchdog: delete non-required instances of include <linux/init.h> 2014-03-31 13:22:45 +02:00
nv_tco.c watchdog: remove DEFINE_PCI_DEVICE_TABLE macro 2014-01-28 19:07:07 +01:00
nv_tco.h
octeon-wdt-main.c octeon, watchdog: Fix CPU hotplug callback registration 2014-03-20 13:43:46 +01:00
octeon-wdt-nmi.S
of_xilinx_wdt.c watchdog: xilinx: Remove no_timeout variable 2014-03-31 13:29:31 +02:00
omap_wdt.c watchdog: omap_wdt: Use devm_ioremap_resource() 2014-03-31 13:24:31 +02:00
omap_wdt.h
orion_wdt.c ARM: SoC: driver changes 2014-04-05 15:37:40 -07:00
pc87413_wdt.c watchdog: fix checkpatch warnings and error 2014-03-31 13:31:06 +02:00
pcwd_pci.c watchdog: remove DEFINE_PCI_DEVICE_TABLE macro 2014-01-28 19:07:07 +01:00
pcwd_usb.c watchdog: Remove unnecessary OOM messages 2014-03-31 13:23:19 +02:00
pcwd.c watchdog: Get rid of MODULE_ALIAS_MISCDEV statements 2013-11-17 19:38:13 +01:00
pika_wdt.c watchdog: Get rid of MODULE_ALIAS_MISCDEV statements 2013-11-17 19:38:13 +01:00
pnx833x_wdt.c watchdog: Get rid of MODULE_ALIAS_MISCDEV statements 2013-11-17 19:38:13 +01:00
pnx4008_wdt.c watchdog: delete non-required instances of include <linux/init.h> 2014-03-31 13:22:45 +02:00
rc32434_wdt.c watchdog: Get rid of MODULE_ALIAS_MISCDEV statements 2013-11-17 19:38:13 +01:00
rdc321x_wdt.c watchdog: delete non-required instances of include <linux/init.h> 2014-03-31 13:22:45 +02:00
retu_wdt.c watchdog: delete non-required instances of include <linux/init.h> 2014-03-31 13:22:45 +02:00
riowd.c watchdog: delete non-required instances of include <linux/init.h> 2014-03-31 13:22:45 +02:00
rt2880_wdt.c watchdog: Drop unnecessary include of miscdevice.h 2013-12-10 08:48:09 +01:00
s3c2410_wdt.c watchdog: s3c2410_wdt: Check return value of clk_prepare_enable 2014-03-31 13:33:16 +02:00
sa1100_wdt.c watchdog: Get rid of MODULE_ALIAS_MISCDEV statements 2013-11-17 19:38:13 +01:00
sb_wdog.c watchdog: Get rid of MODULE_ALIAS_MISCDEV statements 2013-11-17 19:38:13 +01:00
sbc60xxwdt.c watchdog: Get rid of MODULE_ALIAS_MISCDEV statements 2013-11-17 19:38:13 +01:00
sbc7240_wdt.c watchdog: Get rid of MODULE_ALIAS_MISCDEV statements 2013-11-17 19:38:13 +01:00
sbc8360.c watchdog: Get rid of MODULE_ALIAS_MISCDEV statements 2013-11-17 19:38:13 +01:00
sbc_epx_c3.c watchdog: Get rid of MODULE_ALIAS_MISCDEV statements 2013-11-17 19:38:13 +01:00
sbc_fitpc2_wdt.c watchdog: Get rid of MODULE_ALIAS_MISCDEV statements 2013-11-17 19:38:13 +01:00
sc520_wdt.c watchdog: sc520_wdt: Remove unused variable 2014-03-31 13:27:34 +02:00
sc1200wdt.c sc1200_wdt: Fix oops 2013-12-10 08:48:15 +01:00
sch311x_wdt.c watchdog: Get rid of MODULE_ALIAS_MISCDEV statements 2013-11-17 19:38:13 +01:00
scx200_wdt.c watchdog: Get rid of MODULE_ALIAS_MISCDEV statements 2013-11-17 19:38:13 +01:00
shwdt.c watchdog: shwdt: Remove unused platform_set_drvdata() 2014-06-10 21:40:16 +02:00
sirfsoc_wdt.c watchdog: sirf: Remove redundant of_match_ptr helper 2014-01-28 21:26:31 +01:00
smsc37b787_wdt.c watchdog: Get rid of MODULE_ALIAS_MISCDEV statements 2013-11-17 19:38:13 +01:00
softdog.c watchdog: fix checkpatch warnings and error 2014-03-31 13:31:06 +02:00
sp805_wdt.c watchdog: sp805_wdt: Use devm_ioremap_resource() 2014-03-31 13:24:57 +02:00
sp5100_tco.c watchdog: remove DEFINE_PCI_DEVICE_TABLE macro 2014-01-28 19:07:07 +01:00
sp5100_tco.h watchdog: sp5100_tco: Set the AcpiMmioSel bitmask value to 1 instead of 2 2013-03-22 23:21:55 +01:00
stmp3xxx_rtc_wdt.c watchdog: delete non-required instances of include <linux/init.h> 2014-03-31 13:22:45 +02:00
sunxi_wdt.c watchdog: sunxi: Fix compilation with C=2 2014-06-10 21:39:26 +02:00
tegra_wdt.c watchdog: Add tegra watchdog 2014-03-31 13:30:29 +02:00
ts72xx_wdt.c watchdog: ts72xx_wdt: make 'ts72xx_wdt_pdev' static 2014-03-31 13:23:46 +02:00
twl4030_wdt.c watchdog: twl4030: Remove redundant platform_set_drvdata() 2013-07-11 21:10:13 +02:00
txx9wdt.c watchdog: Drop unnecessary include of miscdevice.h 2013-12-10 08:48:09 +01:00
ux500_wdt.c watchdog: Drop unnecessary include of miscdevice.h 2013-12-10 08:48:09 +01:00
via_wdt.c watchdog: via_wdt: replace del_timer by del_timer_sync 2014-06-10 21:38:25 +02:00
w83627hf_wdt.c watchdog: w83627hf_wdt: Reset watchdog trigger during initialization 2014-01-28 21:35:40 +01:00
w83697hf_wdt.c watchdog: fix checkpatch warnings and error 2014-03-31 13:31:06 +02:00
w83697ug_wdt.c watchdog: Get rid of MODULE_ALIAS_MISCDEV statements 2013-11-17 19:38:13 +01:00
w83877f_wdt.c watchdog: Get rid of MODULE_ALIAS_MISCDEV statements 2013-11-17 19:38:13 +01:00
w83977f_wdt.c watchdog: Get rid of MODULE_ALIAS_MISCDEV statements 2013-11-17 19:38:13 +01:00
wafer5823wdt.c watchdog: Get rid of MODULE_ALIAS_MISCDEV statements 2013-11-17 19:38:13 +01:00
watchdog_core.c watchdog: core: Make dt "timeout-sec" property work on drivers w/out min/max 2014-01-28 19:07:56 +01:00
watchdog_core.h watchdog: Add multiple device support 2012-05-30 07:54:25 +02:00
watchdog_dev.c watchdog: core: don't try to stop device if not running 2013-07-11 21:14:39 +02:00
wd501p.h
wdrtas.c watchdog: Get rid of MODULE_ALIAS_MISCDEV statements 2013-11-17 19:38:13 +01:00
wdt285.c watchdog: wdt285: Fix variable type 2014-03-31 13:28:20 +02:00
wdt977.c watchdog: Get rid of MODULE_ALIAS_MISCDEV statements 2013-11-17 19:38:13 +01:00
wdt_pci.c watchdog: delete non-required instances of include <linux/init.h> 2014-03-31 13:22:45 +02:00
wdt.c watchdog: Get rid of MODULE_ALIAS_MISCDEV statements 2013-11-17 19:38:13 +01:00
wm831x_wdt.c watchdog: Remove unnecessary OOM messages 2014-03-31 13:23:19 +02:00
wm8350_wdt.c watchdog: remove use of __devexit 2012-11-28 12:00:24 -08:00
xen_wdt.c watchdog: Get rid of MODULE_ALIAS_MISCDEV statements 2013-11-17 19:38:13 +01:00