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055f213075fbfa8e950bed8f2c50d01ac71bbf37
linux/drivers/watchdog
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Aaron Plattner 48defdf6b0 watchdog: sbsa: Adjust keepalive timeout to avoid MediaTek WS0 race condition 
The MediaTek implementation of the sbsa_gwdt watchdog has a race
condition where a write to SBSA_GWDT_WRR is ignored if it occurs while
the hardware is processing a timeout refresh that asserts WS0.

Detect this based on the hardware implementer and adjust
wdd->min_hw_heartbeat_ms to avoid the race by forcing the keepalive ping
to be one second later.

Signed-off-by: Aaron Plattner <aplattner@nvidia.com>
Acked-by: Timur Tabi <ttabi@nvidia.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20250721230640.2244915-1-aplattner@nvidia.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
2025-07-28 12:07:08 +02:00
..
acquirewdt.c
Get rid of 'remove_new' relic from platform driver struct
2024-12-01 15:12:43 -08:00
advantech_ec_wdt.c
watchdog: Add Advantech EC watchdog driver
2022-11-19 15:30:37 +01:00
advantechwdt.c
Get rid of 'remove_new' relic from platform driver struct
2024-12-01 15:12:43 -08:00
airoha_wdt.c
watchdog: Add support for Airoha EN7851 watchdog
2024-11-05 10:04:39 +01:00
alim1535_wdt.c
[tree-wide] finally take no_llseek out
2024-09-27 08:18:43 -07:00
alim7101_wdt.c
treewide: Switch/rename to timer_delete[_sync]()
2025-04-05 10:30:12 +02:00
apple_wdt.c
watchdog: apple: set max_hw_heartbeat_ms instead of max_timeout
2025-06-01 13:16:20 +02:00
arm_smc_wdt.c
watchdog: arm_smc_wdt: get wdt status through SMCWD_GET_TIMELEFT
2025-06-01 13:16:29 +02:00
armada_37xx_wdt.c
watchdog: armada_37xx_wdt: remove struct resource
2024-11-04 13:13:03 +01:00
asm9260_wdt.c
…
aspeed_wdt.c
watchdog: aspeed: fix 64-bit division
2025-03-16 11:00:34 +01:00
at91rm9200_wdt.c
Get rid of 'remove_new' relic from platform driver struct
2024-12-01 15:12:43 -08:00
at91sam9_wdt.c
treewide, timers: Rename from_timer() to timer_container_of()
2025-06-08 09:07:37 +02:00
at91sam9_wdt.h
…
ath79_wdt.c
Get rid of 'remove_new' relic from platform driver struct
2024-12-01 15:12:43 -08:00
bcm47xx_wdt.c
treewide, timers: Rename from_timer() to timer_container_of()
2025-06-08 09:07:37 +02:00
bcm2835_wdt.c
Get rid of 'remove_new' relic from platform driver struct
2024-12-01 15:12:43 -08:00
bcm7038_wdt.c
watchdog: bcm7038: Use devm_clk_get_enabled() helper
2023-02-12 15:32:51 +01:00
bcm_kona_wdt.c
Get rid of 'remove_new' relic from platform driver struct
2024-12-01 15:12:43 -08:00
bd9576_wdt.c
watchdog: bd9576: Drop "always-running" property
2024-05-04 12:50:41 +02:00
bd96801_wdt.c
watchdog: bd96801_wdt: Add missing include for FIELD_*()
2024-07-09 10:40:02 +01:00
booke_wdt.c
watchdog: booke_wdt: Replace PPC_FSL_BOOK3E by PPC_E500
2022-09-26 23:00:13 +10:00
cadence_wdt.c
watchdog: cadence: Use devm_clk_get_enabled() helper
2023-02-12 15:32:49 +01:00
cgbc_wdt.c
watchdog: Congatec Board Controller watchdog timer driver
2024-10-09 16:32:11 +01:00
cpwd.c
treewide: Switch/rename to timer_delete[_sync]()
2025-04-05 10:30:12 +02:00
cros_ec_wdt.c
watchdog: cros-ec: Avoid -Wflex-array-member-not-at-end warning
2025-05-24 16:57:52 +02:00
da9052_wdt.c
watchdog: da9052_wdt: respect TWDMIN
2025-05-24 16:57:52 +02:00
da9055_wdt.c
watchdog: da9055_wdt: don't print out if registering watchdog fails
2024-11-05 10:04:33 +01:00
da9062_wdt.c
watchdog: da9062: da9063: use unlocked xfer function in restart
2023-02-18 15:11:30 +01:00
da9063_wdt.c
watchdog: da9063: Remove __maybe_unused notations
2024-11-05 10:04:40 +01:00
davinci_wdt.c
watchdog: davinci: Use devm_clk_get_enabled() helper
2023-02-12 15:32:50 +01:00
db8500_wdt.c
watchdog: at91rm9200: Remove #ifdef guards for PM related functions
2022-11-19 15:30:38 +01:00
diag288_wdt.c
watchdog: diag288_wdt: Implement module autoload
2025-04-16 09:26:49 +02:00
digicolor_wdt.c
…
dw_wdt.c
watchdog: dw_wdt: Fix default timeout
2025-07-21 11:10:33 +02:00
ebc-c384_wdt.c
…
ep93xx_wdt.c
watchdog: Convert GPL 2.0 notice to SPDX identifier
2023-06-26 14:30:04 +02:00
eurotechwdt.c
[tree-wide] finally take no_llseek out
2024-09-27 08:18:43 -07:00
exar_wdt.c
watchdog: exar: Shorten identity name to fit correctly
2025-04-28 10:32:43 -07:00
f71808e_wdt.c
watchdog: f71808e_wdt: Add check for platform_driver_register
2022-07-23 14:18:46 +02:00
ftwdt010_wdt.c
watchdog: Explicitly include correct DT includes
2023-08-13 14:29:49 +02:00
gef_wdt.c
Get rid of 'remove_new' relic from platform driver struct
2024-12-01 15:12:43 -08:00
geodewdt.c
Get rid of 'remove_new' relic from platform driver struct
2024-12-01 15:12:43 -08:00
gpio_wdt.c
watchdog: gpio_wdt: Make use of device properties
2023-10-29 19:45:05 +01:00
gxp-wdt.c
watchdog: gxp-wdt: don't print out if registering watchdog fails
2024-11-05 10:04:34 +01:00
hpwdt.c
watchdog/hpwdt: Support Suspend and Resume
2024-03-03 14:17:30 +01:00
i6300esb.c
…
ib700wdt.c
Get rid of 'remove_new' relic from platform driver struct
2024-12-01 15:12:43 -08:00
ibmasr.c
[tree-wide] finally take no_llseek out
2024-09-27 08:18:43 -07:00
ie6xx_wdt.c
Get rid of 'remove_new' relic from platform driver struct
2024-12-01 15:12:43 -08:00
imgpdc_wdt.c
watchdog: imgpdc: Use devm_clk_get_enabled() helper
2023-02-12 15:32:48 +01:00
imx2_wdt.c
watchdog: imx2_wdt: Remove __maybe_unused notations
2024-09-10 11:05:28 +02:00
imx7ulp_wdt.c
watchdog: imx7ulp_wdt: move post_rcs_wait into struct imx_wdt_hw_feature
2024-09-10 11:05:27 +02:00
imx_sc_wdt.c
watchdog: imx_sc_wdt: detect if already running
2024-09-10 11:08:46 +02:00
indydog.c
[tree-wide] finally take no_llseek out
2024-09-27 08:18:43 -07:00
intel_oc_wdt.c
watchdog: Add driver for Intel OC WDT
2025-06-01 13:16:33 +02:00
intel-mid_wdt.c
platform/x86: intel_scu_wdt: Move intel_scu_wdt.h to x86 subfolder
2024-09-11 14:26:08 +02:00
it87_wdt.c
watchdog: it87_wdt: Don't use "proxy" headers
2025-07-17 11:26:56 +02:00
it8712f_wdt.c
[tree-wide] finally take no_llseek out
2024-09-27 08:18:43 -07:00
iTCO_vendor_support.c
…
iTCO_vendor.h
…
iTCO_wdt.c
watchdog: iTCO_wdt: Report error if timeout configuration fails
2025-07-16 18:05:02 +02:00
ixp4xx_wdt.c
watchdog: ixp4xx: Make sure restart always works
2023-10-29 19:45:04 +01:00
jz4740_wdt.c
…
Kconfig
watchdog: Add driver for Intel OC WDT
2025-06-01 13:16:33 +02:00
keembay_wdt.c
…
kempld_wdt.c
watchdog: kempld: Remove #ifdef guards for PM related functions
2022-11-19 15:30:39 +01:00
lantiq_wdt.c
watchdog: Explicitly include correct DT includes
2023-08-13 14:29:49 +02:00
lenovo_se10_wdt.c
watchdog: lenovo_se10_wdt: Convert comma to semicolon
2024-07-18 20:35:40 +02:00
lenovo_se30_wdt.c
watchdog: lenovo_se30_wdt: Fix possible devm_ioremap() NULL pointer dereference in lenovo_se30_wdt_probe()
2025-06-01 13:16:07 +02:00
loongson1_wdt.c
watchdog: Enable COMPILE_TEST for more drivers
2023-08-13 14:29:51 +02:00
lpc18xx_wdt.c
treewide, timers: Rename from_timer() to timer_container_of()
2025-06-08 09:07:37 +02:00
m54xx_wdt.c
[tree-wide] finally take no_llseek out
2024-09-27 08:18:43 -07:00
machzwd.c
treewide: Switch/rename to timer_delete[_sync]()
2025-04-05 10:30:12 +02:00
Makefile
watchdog: Add driver for Intel OC WDT
2025-06-01 13:16:33 +02:00
marvell_gti_wdt.c
drivers: watchdog: marvell_gti: Convert comma to semicolon
2024-09-10 11:08:49 +02:00
max63xx_wdt.c
watchdog: Convert GPL 2.0 notice to SPDX identifier
2023-06-26 14:30:04 +02:00
max77620_wdt.c
watchdog: max77620: fix excess field in kerneldoc
2025-01-06 19:38:07 +01:00
mei_wdt.c
…
mena21_wdt.c
…
menf21bmc_wdt.c
…
menz69_wdt.c
module: Convert symbol namespace to string literal
2024-12-02 11:34:44 -08:00
meson_gxbb_wdt.c
watchdog: Add support for Amlogic-T7 SoCs
2023-08-25 16:19:15 +02:00
meson_wdt.c
watchdog: Explicitly include correct DT includes
2023-08-13 14:29:49 +02:00
mixcomwd.c
treewide: Switch/rename to timer_delete[_sync]()
2025-04-05 10:30:12 +02:00
mlx_wdt.c
watchdog: mlx_wdt: fix all kernel-doc warnings
2023-12-24 10:44:40 +01:00
moxart_wdt.c
watchdog: Convert GPL 2.0 notice to SPDX identifier
2023-06-26 14:30:04 +02:00
mpc8xxx_wdt.c
watchdog: Explicitly include correct DT includes
2023-08-13 14:29:49 +02:00
msc313e_wdt.c
watchdog: msc313e: Check if the WDT was running at boot
2022-01-05 10:38:51 +01:00
mt7621_wdt.c
watchdog: mt7621-wdt: avoid ralink architecture dependent code
2023-03-02 06:51:29 +01:00
mtk_wdt.c
watchdog: mediatek: Add support for MT6735 TOPRGU/WDT
2024-11-07 11:27:07 +01:00
mtx-1_wdt.c
Get rid of 'remove_new' relic from platform driver struct
2024-12-01 15:12:43 -08:00
ni903x_wdt.c
ACPI: make remove callback of ACPI driver void
2022-11-23 19:11:22 +01:00
nic7018_wdt.c
watchdog: nic7018_wdt: tidy up ACPI ID table
2025-03-09 15:19:44 +01:00
npcm_wdt.c
watchdog: npcm: Remove unnecessary NULL check before clk_prepare_enable/clk_disable_unprepare
2025-03-16 11:00:32 +01:00
nv_tco.c
Get rid of 'remove_new' relic from platform driver struct
2024-12-01 15:12:43 -08:00
nv_tco.h
…
octeon-wdt-main.c
watchdog: octeon-wdt: don't print out if registering watchdog fails
2024-11-05 10:04:35 +01:00
octeon-wdt-nmi.S
watchdog: Convert GPL 2.0 notice to SPDX identifier
2023-06-26 14:30:04 +02:00
of_xilinx_wdt.c
watchdog: of_xilinx_wdt: Remove unnecessary clock disable call in the remove path
2023-10-11 18:53:33 +02:00
omap_wdt.c
Get rid of 'remove_new' relic from platform driver struct
2024-12-01 15:12:43 -08:00
omap_wdt.h
…
orion_wdt.c
Get rid of 'remove_new' relic from platform driver struct
2024-12-01 15:12:43 -08:00
pc87413_wdt.c
[tree-wide] finally take no_llseek out
2024-09-27 08:18:43 -07:00
pcwd_pci.c
[tree-wide] finally take no_llseek out
2024-09-27 08:18:43 -07:00
pcwd_usb.c
watchdog: Correct kerneldoc warnings
2025-05-24 16:57:54 +02:00
pcwd.c
treewide: Switch/rename to timer_delete[_sync]()
2025-04-05 10:30:12 +02:00
pic32-dmt.c
watchdog: Explicitly include correct DT includes
2023-08-13 14:29:49 +02:00
pic32-wdt.c
watchdog: Explicitly include correct DT includes
2023-08-13 14:29:49 +02:00
pika_wdt.c
treewide: Switch/rename to timer_delete[_sync]()
2025-04-05 10:30:12 +02:00
pm8916_wdt.c
watchdog: Convert comma to semicolon
2024-09-17 13:41:31 +02:00
pnx4008_wdt.c
watchdog: pnx4008: Use devm_clk_get_enabled() helper
2023-02-12 15:32:46 +01:00
pretimeout_noop.c
watchdog: Correct kerneldoc warnings
2025-05-24 16:57:54 +02:00
pretimeout_panic.c
watchdog: Correct kerneldoc warnings
2025-05-24 16:57:54 +02:00
pseries-wdt.c
watchdog/pseries-wdt: initial support for H_WATCHDOG-based watchdog timers
2022-07-20 21:57:39 +10:00
qcom-wdt.c
watchdog: qcom: introduce the device data for IPQ5424 watchdog device
2025-06-01 13:16:16 +02:00
rave-sp-wdt.c
watchdog: Explicitly include correct DT includes
2023-08-13 14:29:49 +02:00
rc32434_wdt.c
Get rid of 'remove_new' relic from platform driver struct
2024-12-01 15:12:43 -08:00
rdc321x_wdt.c
Get rid of 'remove_new' relic from platform driver struct
2024-12-01 15:12:43 -08:00
realtek_otto_wdt.c
watchdog: realtek_otto: Use devm_clk_get_enabled() helper
2023-02-12 15:32:46 +01:00
renesas_wdt.c
watchdog: renesas_wdt: Convert to DEFINE_SIMPLE_DEV_PM_OPS()
2025-07-16 18:05:02 +02:00
retu_wdt.c
…
riowd.c
Get rid of 'remove_new' relic from platform driver struct
2024-12-01 15:12:43 -08:00
rn5t618_wdt.c
watchdog: rn5t618: Simplify using devm_watchdog_register_device()
2023-04-22 12:53:54 +02:00
rt2880_wdt.c
watchdog: rt2880-wdt: prefer unsigned int over unsigned
2023-04-22 12:53:57 +02:00
rtd119x_wdt.c
watchdog: Convert GPL 2.0 notice to SPDX identifier
2023-06-26 14:30:04 +02:00
rti_wdt.c
watchdog: rti_wdt: Use of_reserved_mem_region_to_resource() for "memory-region"
2025-07-16 18:05:01 +02:00
rza_wdt.c
watchdog: rza_wdt: don't print out if registering watchdog fails
2024-11-05 10:04:37 +01:00
rzg2l_wdt.c
watchdog: rzg2l_wdt: Power on the watchdog domain in the restart handler
2024-11-05 10:04:42 +01:00
rzn1_wdt.c
watchdog: fix typo in the comment
2024-11-04 13:12:55 +01:00
rzv2h_wdt.c
watchdog: rzv2h_wdt: Use local dev pointer in probe
2025-01-06 19:37:51 +01:00
s3c2410_wdt.c
watchdog: s3c2410_wdt: Add exynos990-wdt compatible data
2025-06-01 13:16:03 +02:00
s32g_wdt.c
watchdog: Add the Watchdog Timer for the NXP S32 platform
2025-05-24 16:57:54 +02:00
sa1100_wdt.c
Get rid of 'remove_new' relic from platform driver struct
2024-12-01 15:12:43 -08:00
sama5d4_wdt.c
watchdog: sama5d4: readout initial state
2023-08-19 17:36:20 +02:00
sb_wdog.c
[tree-wide] finally take no_llseek out
2024-09-27 08:18:43 -07:00
sbc60xxwdt.c
treewide: Switch/rename to timer_delete[_sync]()
2025-04-05 10:30:12 +02:00
sbc7240_wdt.c
[tree-wide] finally take no_llseek out
2024-09-27 08:18:43 -07:00
sbc8360.c
[tree-wide] finally take no_llseek out
2024-09-27 08:18:43 -07:00
sbc_epx_c3.c
[tree-wide] finally take no_llseek out
2024-09-27 08:18:43 -07:00
sbc_fitpc2_wdt.c
[tree-wide] finally take no_llseek out
2024-09-27 08:18:43 -07:00
sbsa_gwdt.c
watchdog: sbsa: Adjust keepalive timeout to avoid MediaTek WS0 race condition
2025-07-28 12:07:08 +02:00
sc520_wdt.c
treewide: Switch/rename to timer_delete[_sync]()
2025-04-05 10:30:12 +02:00
sc1200wdt.c
[tree-wide] finally take no_llseek out
2024-09-27 08:18:43 -07:00
sch311x_wdt.c
Get rid of 'remove_new' relic from platform driver struct
2024-12-01 15:12:43 -08:00
scx200_wdt.c
[tree-wide] finally take no_llseek out
2024-09-27 08:18:43 -07:00
shwdt.c
treewide, timers: Rename from_timer() to timer_container_of()
2025-06-08 09:07:37 +02:00
simatic-ipc-wdt.c
watchdog: add missing MODULE_DESCRIPTION() macros
2024-06-15 12:49:57 +02:00
sl28cpld_wdt.c
watchdog: sl28cpld_wdt: don't print out if registering watchdog fails
2024-11-05 10:04:37 +01:00
smsc37b787_wdt.c
watchdog: fix typo in the comment
2024-11-04 13:12:55 +01:00
softdog.c
watchdog: Switch to use hrtimer_setup()
2025-02-18 10:32:33 +01:00
sp805_wdt.c
watchdog: sp805_wdt: Drop documentation of non-existent status member
2025-01-06 19:37:52 +01:00
sp5100_tco.c
watchdog: sp5100_tco: support Hygon FCH/SCH (Server Controller Hub)
2023-06-26 14:30:07 +02:00
sp5100_tco.h
Watchdog: sp5100_tco: Enable Family 17h+ CPUs
2022-03-27 17:04:33 +02:00
sprd_wdt.c
…
st_lpc_wdt.c
Get rid of 'remove_new' relic from platform driver struct
2024-12-01 15:12:43 -08:00
starfive-wdt.c
Get rid of 'remove_new' relic from platform driver struct
2024-12-01 15:12:43 -08:00
stm32_iwdg.c
watchdog: stm32: Fix wakeup source leaks on device unbind
2025-05-24 16:57:53 +02:00
stmp3xxx_rtc_wdt.c
Get rid of 'remove_new' relic from platform driver struct
2024-12-01 15:12:43 -08:00
stpmic1_wdt.c
…
sun4v_wdt.c
…
sunplus_wdt.c
watchdog: sunplus: Use the devm_clk_get_enabled() helper function
2023-10-11 18:34:10 +02:00
sunxi_wdt.c
watchdog: sunxi_wdt: Add support for Allwinner A523
2025-03-25 14:11:16 +01:00
tegra_wdt.c
watchdog: tegra_wdt: Remove #ifdef guards for PM related functions
2022-07-23 14:21:27 +02:00
tqmx86_wdt.c
watchdog: tqmx86: Constify static struct watchdog_ops
2021-08-22 10:28:10 +02:00
ts72xx_wdt.c
wdt: ts72xx: add DT support for ts72xx
2024-09-12 14:33:11 +00:00
ts4800_wdt.c
watchdog: add missing MODULE_DESCRIPTION() macros
2024-06-15 12:49:57 +02:00
twl4030_wdt.c
watchdog: add missing MODULE_DESCRIPTION() macros
2024-06-15 12:49:57 +02:00
txx9wdt.c
Get rid of 'remove_new' relic from platform driver struct
2024-12-01 15:12:43 -08:00
uniphier_wdt.c
…
via_wdt.c
treewide: Switch/rename to timer_delete[_sync]()
2025-04-05 10:30:12 +02:00
visconti_wdt.c
watchdog: visconti: Use devm_clk_get_enabled() helper
2023-02-12 15:32:53 +01:00
w83627hf_wdt.c
watchdog: w83627hf_wdt: add bootstatus support
2022-10-02 12:55:34 +02:00
w83877f_wdt.c
treewide: Switch/rename to timer_delete[_sync]()
2025-04-05 10:30:12 +02:00
w83977f_wdt.c
[tree-wide] finally take no_llseek out
2024-09-27 08:18:43 -07:00
wafer5823wdt.c
[tree-wide] finally take no_llseek out
2024-09-27 08:18:43 -07:00
watchdog_core.c
watchdog: Convert to use device property
2025-03-11 15:52:51 +01:00
watchdog_core.h
watchdog: Don't use "proxy" headers
2025-07-17 11:26:56 +02:00
watchdog_dev.c
watchdog: Switch to use hrtimer_setup()
2025-02-18 10:32:33 +01:00
watchdog_hrtimer_pretimeout.c
watchdog: Switch to use hrtimer_setup()
2025-02-18 10:32:33 +01:00
watchdog_pretimeout.c
watchdog: Don't use "proxy" headers
2025-07-17 11:26:56 +02:00
watchdog_pretimeout.h
…
wd501p.h
…
wdat_wdt.c
watchdog: wdat_wdt: Add timeout value as a param in ping method
2023-10-29 19:45:06 +01:00
wdrtas.c
[tree-wide] finally take no_llseek out
2024-09-27 08:18:43 -07:00
wdt285.c
[tree-wide] finally take no_llseek out
2024-09-27 08:18:43 -07:00
wdt977.c
[tree-wide] finally take no_llseek out
2024-09-27 08:18:43 -07:00
wdt_pci.c
watchdog: Correct kerneldoc warnings
2025-05-24 16:57:54 +02:00
wdt.c
[tree-wide] finally take no_llseek out
2024-09-27 08:18:43 -07:00
wm831x_wdt.c
…
wm8350_wdt.c
watchdog: wm8350: Simplify using devm_watchdog_register_device()
2023-04-22 12:53:55 +02:00
xen_wdt.c
…
xilinx_wwdt.c
watchdog: xilinx_wwdt: Calculate max_hw_heartbeat_ms using clock frequency
2024-11-04 13:12:59 +01:00
ziirave_wdt.c
watchdog: ziirave_wdt: check record length in ziirave_firm_verify()
2025-07-16 18:05:00 +02:00