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linux-stable-mirror/drivers/watchdog
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Aaron PlattnerandWim Van Sebroeck 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
…
advantech_ec_wdt.c
…
advantechwdt.c
…
airoha_wdt.c
…
alim1535_wdt.c
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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
…
asm9260_wdt.c
…
aspeed_wdt.c
watchdog: aspeed: fix 64-bit division
2025-03-16 11:00:34 +01:00
at91rm9200_wdt.c
…
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
…
bcm47xx_wdt.c
treewide, timers: Rename from_timer() to timer_container_of()
2025-06-08 09:07:37 +02:00
bcm2835_wdt.c
…
bcm7038_wdt.c
…
bcm_kona_wdt.c
…
bd9576_wdt.c
…
bd96801_wdt.c
…
booke_wdt.c
…
cadence_wdt.c
…
cgbc_wdt.c
…
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
…
da9062_wdt.c
…
da9063_wdt.c
…
davinci_wdt.c
…
db8500_wdt.c
…
diag288_wdt.c
watchdog: diag288_wdt: Implement module autoload
2025-04-16 09:26:49 +02:00
digicolor_wdt.c
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dw_wdt.c
watchdog: dw_wdt: Fix default timeout
2025-07-21 11:10:33 +02:00
ebc-c384_wdt.c
…
ep93xx_wdt.c
…
eurotechwdt.c
…
exar_wdt.c
watchdog: exar: Shorten identity name to fit correctly
2025-04-28 10:32:43 -07:00
f71808e_wdt.c
…
ftwdt010_wdt.c
…
gef_wdt.c
…
geodewdt.c
…
gpio_wdt.c
…
gxp-wdt.c
…
hpwdt.c
…
i6300esb.c
…
ib700wdt.c
…
ibmasr.c
…
ie6xx_wdt.c
…
imgpdc_wdt.c
…
imx2_wdt.c
…
imx7ulp_wdt.c
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imx_sc_wdt.c
…
indydog.c
…
intel_oc_wdt.c
watchdog: Add driver for Intel OC WDT
2025-06-01 13:16:33 +02:00
intel-mid_wdt.c
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it87_wdt.c
watchdog: it87_wdt: Don't use "proxy" headers
2025-07-17 11:26:56 +02:00
it8712f_wdt.c
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iTCO_vendor_support.c
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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
…
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
…
lantiq_wdt.c
…
lenovo_se10_wdt.c
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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
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lpc18xx_wdt.c
treewide, timers: Rename from_timer() to timer_container_of()
2025-06-08 09:07:37 +02:00
m54xx_wdt.c
…
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
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max63xx_wdt.c
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max77620_wdt.c
watchdog: max77620: fix excess field in kerneldoc
2025-01-06 19:38:07 +01:00
mei_wdt.c
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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
…
meson_wdt.c
…
mixcomwd.c
treewide: Switch/rename to timer_delete[_sync]()
2025-04-05 10:30:12 +02:00
mlx_wdt.c
…
moxart_wdt.c
…
mpc8xxx_wdt.c
…
msc313e_wdt.c
…
mt7621_wdt.c
…
mtk_wdt.c
…
mtx-1_wdt.c
…
ni903x_wdt.c
…
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
…
nv_tco.h
…
octeon-wdt-main.c
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octeon-wdt-nmi.S
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of_xilinx_wdt.c
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omap_wdt.c
…
omap_wdt.h
…
orion_wdt.c
…
pc87413_wdt.c
…
pcwd_pci.c
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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
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pic32-wdt.c
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pika_wdt.c
treewide: Switch/rename to timer_delete[_sync]()
2025-04-05 10:30:12 +02:00
pm8916_wdt.c
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pnx4008_wdt.c
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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
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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
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rc32434_wdt.c
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rdc321x_wdt.c
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realtek_otto_wdt.c
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renesas_wdt.c
watchdog: renesas_wdt: Convert to DEFINE_SIMPLE_DEV_PM_OPS()
2025-07-16 18:05:02 +02:00
retu_wdt.c
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riowd.c
…
rn5t618_wdt.c
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rt2880_wdt.c
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rtd119x_wdt.c
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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
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rzg2l_wdt.c
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rzn1_wdt.c
…
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
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sama5d4_wdt.c
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sb_wdog.c
…
sbc60xxwdt.c
treewide: Switch/rename to timer_delete[_sync]()
2025-04-05 10:30:12 +02:00
sbc7240_wdt.c
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sbc8360.c
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sbc_epx_c3.c
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sbc_fitpc2_wdt.c
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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
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sch311x_wdt.c
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scx200_wdt.c
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shwdt.c
treewide, timers: Rename from_timer() to timer_container_of()
2025-06-08 09:07:37 +02:00
simatic-ipc-wdt.c
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sl28cpld_wdt.c
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smsc37b787_wdt.c
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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
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sp5100_tco.h
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sprd_wdt.c
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st_lpc_wdt.c
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starfive-wdt.c
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stm32_iwdg.c
watchdog: stm32: Fix wakeup source leaks on device unbind
2025-05-24 16:57:53 +02:00
stmp3xxx_rtc_wdt.c
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stpmic1_wdt.c
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sun4v_wdt.c
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sunplus_wdt.c
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sunxi_wdt.c
watchdog: sunxi_wdt: Add support for Allwinner A523
2025-03-25 14:11:16 +01:00
tegra_wdt.c
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tqmx86_wdt.c
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ts72xx_wdt.c
…
ts4800_wdt.c
…
twl4030_wdt.c
…
txx9wdt.c
…
uniphier_wdt.c
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via_wdt.c
treewide: Switch/rename to timer_delete[_sync]()
2025-04-05 10:30:12 +02:00
visconti_wdt.c
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w83627hf_wdt.c
…
w83877f_wdt.c
treewide: Switch/rename to timer_delete[_sync]()
2025-04-05 10:30:12 +02:00
w83977f_wdt.c
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wafer5823wdt.c
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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
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wd501p.h
…
wdat_wdt.c
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wdrtas.c
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wdt285.c
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wdt977.c
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wdt_pci.c
watchdog: Correct kerneldoc warnings
2025-05-24 16:57:54 +02:00
wdt.c
…
wm831x_wdt.c
…
wm8350_wdt.c
…
xen_wdt.c
…
xilinx_wwdt.c
…
ziirave_wdt.c
watchdog: ziirave_wdt: check record length in ziirave_firm_verify()
2025-07-16 18:05:00 +02:00