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ddd6d240b26dcb8b8dc98bd493eba944dd97ebc8
linux/drivers/watchdog
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Alexandre Belloni ddd6d240b2 watchdog: sama5d4: fix race condition 
WDT_MR and WDT_CR must not updated within three slow clock periods after
the last ping (write to WDT_CR or WDT_MR). Ensure enough time has elapsed
before writing those registers.
wdt_write() waits for 4 periods to ensure at least 3 edges are seen by the
IP.

Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Wenyou.Yang <wenyou.yang@microchip.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2017-05-18 18:51:24 +02:00
..
acquirewdt.c
…
advantechwdt.c
…
alim1535_wdt.c
…
alim7101_wdt.c
…
ar7_wdt.c
…
asm9260_wdt.c
watchdog: constify watchdog_ops structures
2017-02-24 14:00:23 -08:00
aspeed_wdt.c
watchdog: aspeed_wdt: Convert to use device managed functions
2017-02-24 14:00:23 -08:00
at32ap700x_wdt.c
…
at91rm9200_wdt.c
Merge git://www.linux-watchdog.org/linux-watchdog
2015-09-11 15:12:59 -07:00
at91sam9_wdt.c
watchdog: at91sam9: get and use slow clock
2015-09-09 21:38:52 +02:00
at91sam9_wdt.h
watchdog: add a driver to support SAMA5D4 watchdog timer
2015-09-09 21:38:29 +02:00
ath79_wdt.c
mips: separate extable.h, switch module.h to it
2016-10-05 18:36:18 -04:00
atlas7_wdt.c
watchdog: constify watchdog_ops structures
2017-02-24 14:00:23 -08:00
bcm47xx_wdt.c
watchdog: bcm47xx_wdt: Don't validate platform data on remove
2017-02-24 14:00:23 -08:00
bcm63xx_wdt.c
…
bcm2835_wdt.c
scripts/spelling.txt: add "partiton" pattern and fix typo instances
2017-02-27 18:43:46 -08:00
bcm7038_wdt.c
watchdog: constify watchdog_info structures
2017-02-24 14:00:23 -08:00
bcm_kona_wdt.c
watchdog: constify watchdog_ops structures
2017-02-24 14:00:23 -08:00
bfin_wdt.c
…
booke_wdt.c
watchdog: constify watchdog_ops structures
2017-02-24 14:00:23 -08:00
cadence_wdt.c
watchdog: constify watchdog_info structures
2017-02-24 14:00:23 -08:00
coh901327_wdt.c
watchdog: coh901327_wdt: Use dev variable instead of pdev->dev
2017-02-24 14:00:23 -08:00
cpu5wdt.c
Annotate hardware config module parameters in drivers/watchdog/
2017-04-20 12:02:32 +01:00
cpwd.c
watchdog: cpwd: remove memory allocate failure message
2016-12-16 06:53:55 -08:00
da9052_wdt.c
watchdog: da9052_wdt: Convert to use device managed functions
2017-02-24 14:00:23 -08:00
da9055_wdt.c
watchdog: da9055_wdt: Convert to use device managed functions
2017-02-24 14:00:23 -08:00
da9062_wdt.c
watchdog: da9062_wdt: Convert to use device managed functions
2017-02-24 14:00:23 -08:00
da9063_wdt.c
watchdog: da9063_wdt: Convert to use device managed functions
2017-02-24 14:00:23 -08:00
davinci_wdt.c
watchdog: davinci: add support for deferred probing
2016-12-16 06:53:53 -08:00
diag288_wdt.c
watchdog: constify watchdog_ops structures
2017-02-24 14:00:23 -08:00
digicolor_wdt.c
watchdog: constify watchdog_ops structures
2017-02-24 14:00:23 -08:00
dw_wdt.c
watchdog: dw_wdt: Use watchdog core to install restart handler
2017-02-24 14:00:23 -08:00
ebc-c384_wdt.c
watchdog: ebc-c384_wdt: Utilize devm_ functions in driver probe callback
2017-02-24 14:00:23 -08:00
ep93xx_wdt.c
watchdog: ep93xx_wdt: cleanup and let the core handle the heartbeat
2017-02-24 14:00:23 -08:00
eurotechwdt.c
Annotate hardware config module parameters in drivers/watchdog/
2017-04-20 12:02:32 +01:00
f71808e_wdt.c
watchdog: f71808e_wdt: Add F81866 support
2016-07-17 21:00:55 +02:00
gef_wdt.c
watchdog: Fix module autoload for OF platform driver
2015-09-28 10:56:01 +02:00
gemini_wdt.c
watchdog: add driver for Cortina Gemini watchdog
2017-02-24 14:00:23 -08:00
geodewdt.c
…
gpio_wdt.c
watchdog: gpio_wdt: Fix missing platform_set_drvdata() in gpio_wdt_probe()
2016-07-27 10:47:43 +02:00
hpwdt.c
drivers/watchdog/hpwdt.c: use set_memory.h header
2017-05-08 17:15:14 -07:00
i6300esb.c
…
ib700wdt.c
…
ibmasr.c
…
ie6xx_wdt.c
Watchdog: Fix parent of watchdog_devices
2015-09-09 21:39:22 +02:00
imgpdc_wdt.c
watchdog: constify watchdog_info structures
2017-02-24 14:00:23 -08:00
imx2_wdt.c
watchdog: imx2_wdt: add pretimeout function support
2016-10-08 10:27:30 +02:00
indydog.c
…
intel_scu_watchdog.c
…
intel_scu_watchdog.h
…
intel-mid_wdt.c
watchdog: intel-mid_wdt: Convert to use device managed functions
2017-02-24 14:00:23 -08:00
iop_wdt.c
…
it87_wdt.c
watchdog: it87_wdt: add IT8620E ID
2016-12-16 06:53:56 -08:00
it8712f_wdt.c
…
iTCO_vendor_support.c
…
iTCO_vendor.h
…
iTCO_wdt.c
watchdog: iTCO_wdt: Add PMC specific noreboot update api
2017-04-28 21:51:28 +03:00
ixp4xx_wdt.c
…
jz4740_wdt.c
watchdog: jz4740: Fix modular build
2016-12-16 06:53:54 -08:00
Kconfig
watchdog: orion: fix compile-test dependencies
2017-05-18 18:51:15 +02:00
kempld_wdt.c
watchdog: kempld: fix gcc-4.3 build
2017-03-01 06:15:10 -08:00
ks8695_wdt.c
char: make misc_deregister a void function
2015-08-05 10:35:49 -07:00
lantiq_wdt.c
watchdog: update my email address
2017-02-24 14:00:23 -08:00
loongson1_wdt.c
watchdog: loongson1: Add Loongson1 SoC watchdog driver
2016-12-16 06:53:55 -08:00
lpc18xx_wdt.c
watchdog: constify watchdog_info structures
2017-02-24 14:00:23 -08:00
m54xx_wdt.c
…
machzwd.c
…
Makefile
watchdog: zx2967: add watchdog controller driver for ZTE's zx2967 family
2017-02-24 14:00:23 -08:00
max63xx_wdt.c
watchdog: max63xx: make module's license marker match the header
2016-01-31 16:51:56 +01:00
max77620_wdt.c
watchdog: max77620_wdt: fix module autoload
2016-12-16 06:53:53 -08:00
mei_wdt.c
Merge tag 'watchdog-for-linus-v4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
2016-12-24 11:27:45 -08:00
mena21_wdt.c
watchdog: mena21_wdt: Convert to use device managed functions and other improvements
2017-02-24 14:00:23 -08:00
menf21bmc_wdt.c
Watchdog: Fix parent of watchdog_devices
2015-09-09 21:39:22 +02:00
meson_gxbb_wdt.c
watchdog: meson: Remove unneeded platform MODULE_ALIAS
2016-12-16 06:53:53 -08:00
meson_wdt.c
watchdog: meson_wdt: Convert to use device managed functions and other improvements
2017-02-24 14:00:23 -08:00
mixcomwd.c
…
moxart_wdt.c
watchdog: Add 'action' and 'data' parameters to restart handler callback
2016-03-01 15:36:35 +01:00
mpc8xxx_wdt.c
watchdog: mpc8xxx: Remove unneeded linux/miscdevice.h include
2016-12-16 06:53:55 -08:00
mt7621_wdt.c
watchdog: constify watchdog_ops structures
2017-02-24 14:00:23 -08:00
mtk_wdt.c
watchdog: Add 'action' and 'data' parameters to restart handler callback
2016-03-01 15:36:35 +01:00
mtx-1_wdt.c
…
mv64x60_wdt.c
…
ni903x_wdt.c
watchdog: ni903x_wdt: Add NI 903x/913x watchdog driver
2016-03-01 16:25:39 +01:00
nic7018_wdt.c
watchdog: nic7018_wdt: Add NIC7018 watchdog driver
2017-02-24 14:00:23 -08:00
nuc900_wdt.c
…
nv_tco.c
watchdog: add support for MCP78S chipset in nv_tco
2016-07-17 21:04:13 +02:00
nv_tco.h
…
octeon-wdt-main.c
Merge tag 'watchdog-for-linus-v4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
2016-12-24 11:27:45 -08:00
octeon-wdt-nmi.S
…
of_xilinx_wdt.c
watchdog: xilinx: Add clock support
2016-09-23 22:04:09 +02:00
omap_wdt.c
watchdog: omap: don't disable the timer when it should be enabled early
2015-12-27 21:09:40 +01:00
omap_wdt.h
watchdog: omap_wdt: implement get_timeleft
2015-06-22 15:54:35 +02:00
orion_wdt.c
watchdog: orion: fix spelling mistake: "harcoded" -> "hardcoded"
2017-02-24 14:00:23 -08:00
pc87413_wdt.c
Annotate hardware config module parameters in drivers/watchdog/
2017-04-20 12:02:32 +01:00
pcwd_pci.c
…
pcwd_usb.c
watchdog: pcwd_usb: don't print error when allocating urb fails
2016-09-23 08:43:06 +02:00
pcwd.c
watchdog: pcwd: Utilize the module_isa_driver macro
2016-07-17 20:59:23 +02:00
pic32-dmt.c
watchdog: pic32-dmt: Remove .owner field for driver
2016-07-25 12:02:32 +02:00
pic32-wdt.c
watchdog: pic32-wdt: Fix return value check in pic32_wdt_drv_probe()
2016-07-25 12:02:43 +02:00
pika_wdt.c
watchdog: pika_wdt: add __ro_after_init to ident
2017-02-24 14:00:23 -08:00
pnx833x_wdt.c
…
pnx4008_wdt.c
watchdog: pnx4008: restart: support "cmd" from userspace
2016-03-16 21:09:42 +01:00
pretimeout_noop.c
watchdog: pretimeout: add noop pretimeout governor
2016-10-08 10:27:13 +02:00
pretimeout_panic.c
watchdog: pretimeout: add panic pretimeout governor
2016-10-08 10:27:17 +02:00
qcom-wdt.c
watchdog: qcom: fix kernel panic due to external abort on non-linefetch
2016-12-16 06:53:54 -08:00
rc32434_wdt.c
watchdog: rc32434_wdt: fix ioctl error handling
2016-03-01 15:29:42 +01:00
rdc321x_wdt.c
…
renesas_wdt.c
watchdog: renesas-wdt: add driver
2016-05-14 18:15:40 +02:00
retu_wdt.c
Watchdog: Fix parent of watchdog_devices
2015-09-09 21:39:22 +02:00
riowd.c
…
rn5t618_wdt.c
watchdog: constify watchdog_info structures
2017-02-24 14:00:23 -08:00
rt2880_wdt.c
watchdog: constify watchdog_ops structures
2017-02-24 14:00:23 -08:00
s3c2410_wdt.c
watchdog: s3c2410: Add prefix to local function
2017-02-24 14:00:23 -08:00
sa1100_wdt.c
watchdog: sa11x0/pxa: fix error path of driver initialization
2017-02-24 14:00:23 -08:00
sama5d4_wdt.c
watchdog: sama5d4: fix race condition
2017-05-18 18:51:24 +02:00
sb_wdog.c
…
sbc60xxwdt.c
…
sbc7240_wdt.c
…
sbc8360.c
…
sbc_epx_c3.c
…
sbc_fitpc2_wdt.c
…
sbsa_gwdt.c
watchdog: constify watchdog_ops structures
2017-02-24 14:00:23 -08:00
sc520_wdt.c
…
sc1200wdt.c
Annotate hardware config module parameters in drivers/watchdog/
2017-04-20 12:02:32 +01:00
sch311x_wdt.c
…
scx200_wdt.c
…
shwdt.c
watchdog: shwdt: Use setup_timer()
2016-05-14 18:25:56 +02:00
sirfsoc_wdt.c
watchdog: constify watchdog_ops structures
2017-02-24 14:00:23 -08:00
smsc37b787_wdt.c
…
softdog.c
watchdog: softdog: fire watchdog even if softirqs do not get to run
2017-03-01 06:15:10 -08:00
sp805_wdt.c
watchdog: sp805: ping fails to abort wdt reset
2016-01-31 16:52:08 +01:00
sp5100_tco.c
watchdog: sp5100_tco: properly check for new register layouts
2016-05-14 16:16:04 +02:00
sp5100_tco.h
…
st_lpc_wdt.c
watchdog: st_wdt: Remove support for obsolete platforms
2016-09-24 08:59:49 +02:00
stmp3xxx_rtc_wdt.c
watchdog: stmp3xxx: Remove unused variables
2016-01-11 21:51:28 +01:00
sun4v_wdt.c
watchdog: constify watchdog_ops structures
2017-02-24 14:00:23 -08:00
sunxi_wdt.c
watchdog: sunxi_wdt: Convert to use device managed functions and other improvements
2017-02-24 14:00:23 -08:00
tangox_wdt.c
watchdog: tangox: Use watchdog core to install restart handler
2017-02-24 14:00:23 -08:00
tegra_wdt.c
watchdog: tegra_wdt: Convert to use device managed functions
2017-02-24 14:00:23 -08:00
ts72xx_wdt.c
watchdog: ts72xx_wdt: convert driver to watchdog core
2017-02-24 14:00:23 -08:00
ts4800_wdt.c
watchdog: ts4800: add driver for TS-4800 watchdog
2015-12-28 22:29:35 +01:00
twl4030_wdt.c
Watchdog: Fix parent of watchdog_devices
2015-09-09 21:39:22 +02:00
txx9wdt.c
watchdog: txx9wdt: Add missing clock (un)prepare calls for CCF
2016-09-23 22:36:32 +02:00
ux500_wdt.c
Watchdog: Fix parent of watchdog_devices
2015-09-09 21:39:22 +02:00
via_wdt.c
Watchdog: Fix parent of watchdog_devices
2015-09-09 21:39:22 +02:00
w83627hf_wdt.c
watchdog: constify watchdog_info structures
2017-02-24 14:00:23 -08:00
w83877f_wdt.c
…
w83977f_wdt.c
watchdog: w83977f_wdt: underflow in wdt_set_timeout()
2015-11-23 08:59:30 +01:00
wafer5823wdt.c
…
watchdog_core.c
watchdog: core: Fix devres_alloc() allocation size
2016-09-23 08:37:14 +02:00
watchdog_core.h
watchdog: Create watchdog device in watchdog_dev.c
2015-12-29 20:36:01 +01:00
watchdog_dev.c
watchdog: Introduce watchdog_stop_on_unregister helper
2017-02-24 14:00:23 -08:00
watchdog_pretimeout.c
watchdog: pretimeout: add pretimeout_available_governors attribute
2016-10-08 10:27:24 +02:00
watchdog_pretimeout.h
watchdog: pretimeout: add pretimeout_available_governors attribute
2016-10-08 10:27:24 +02:00
wd501p.h
…
wdat_wdt.c
watchdog: wdat_wdt: Ping the watchdog on resume
2016-10-21 01:28:33 +02:00
wdrtas.c
…
wdt285.c
…
wdt977.c
…
wdt_pci.c
…
wdt.c
Annotate hardware config module parameters in drivers/watchdog/
2017-04-20 12:02:32 +01:00
wm831x_wdt.c
watchdog: wm831x_wdt: Convert to use device managed functions
2017-02-24 14:00:23 -08:00
wm8350_wdt.c
Watchdog: Fix parent of watchdog_devices
2015-09-09 21:39:22 +02:00
xen_wdt.c
…
ziirave_wdt.c
watchdog: ziirave_wdt: Add support to upload the firmware.
2016-09-23 22:34:24 +02:00
zx2967_wdt.c
watchdog: zx2967: add watchdog controller driver for ZTE's zx2967 family
2017-02-24 14:00:23 -08:00