Christophe Leroy
7b323e67d2
watchdog: mpc8xxx_wdt: Reload the watchdog timer when enabling the watchdog
...
[ Upstream commit 7dfd80f70ef00d871df5af7c391133f7ba61ad9b ]
When the watchdog gets enabled with this driver, it leaves enough time
for the core watchdog subsystem to start pinging it. But when the
watchdog is already started by hardware or by the boot loader, little
time remains before it fires and it happens that the core watchdog
subsystem doesn't have time to start pinging it.
Until commit 19ce9490aa ("watchdog: mpc8xxx: use the core worker
function") pinging was managed by the driver itself and the watchdog
was immediately pinged by setting the timer expiry to 0.
So restore similar behaviour by pinging it when enabling it so that
if it was already enabled the watchdog timer counter is reloaded.
Fixes: 19ce9490aa ("watchdog: mpc8xxx: use the core worker function")
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2025-10-29 13:59:48 +01:00
..
acquirewdt.c
watchdog: convert remaining drivers to use SPDX license identifier
2019-07-08 20:35:11 +02:00
advantechwdt.c
watchdog: convert remaining drivers to use SPDX license identifier
2019-07-08 20:35:11 +02:00
alim1535_wdt.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
alim7101_wdt.c
ar7_wdt.c
watchdog: Mark expected switch fall-throughs
2019-08-12 13:05:37 +02:00
armada_37xx_wdt.c
watchdog: armada_37xx_wdt: check the return value of devm_ioremap() in armada_37xx_wdt_probe()
2022-08-25 11:18:06 +02:00
asm9260_wdt.c
aspeed_wdt.c
watchdog: aspeed: fix hardware timeout calculation
2021-07-20 16:10:49 +02:00
at91rm9200_wdt.c
at91sam9_wdt.c
watchdog: at91sam9_wdt: use devm_request_irq to avoid missing free_irq() in error path
2023-03-11 16:44:10 +01:00
at91sam9_wdt.h
ath79_wdt.c
watchdog: ath79_wdt: fix a typo in the name of a function
2019-07-24 20:21:39 +02:00
atlas7_wdt.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 191
2019-05-30 11:29:21 -07:00
bcm47xx_wdt.c
bcm63xx_wdt.c
bcm2835_wdt.c
watchdog: bcm2835_wdt: Fix WDIOC_SETTIMEOUT handling
2024-01-25 14:34:28 -08:00
bcm7038_wdt.c
watchdog: bcm7038_wdt: drop warning after registering device
2019-07-08 15:13:02 +02:00
bcm_kona_wdt.c
watchdog: bcm_kona_wdt: no need to check return value of debugfs_create functions
2019-07-08 20:35:10 +02:00
bd70528_wdt.c
watchdog: bd70528: Add MODULE_ALIAS to allow module auto loading
2019-11-05 16:58:12 +01:00
booke_wdt.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
cadence_wdt.c
watchdog: cadence_wdt: drop warning after registering device
2019-07-08 15:13:04 +02:00
coh901327_wdt.c
cpu5wdt.c
cpwd.c
watchdog: cpwd: fix build regression
2019-11-05 16:58:11 +01:00
da9052_wdt.c
watchdog: da9052_wdt: respect TWDMIN
2025-06-27 11:02:55 +01:00
da9055_wdt.c
da9062_wdt.c
watchdog: da9062: No need to ping manually before setting timeout
2020-06-24 17:50:32 +02:00
da9063_wdt.c
davinci_wdt.c
watchdog: convert remaining drivers to use SPDX license identifier
2019-07-08 20:35:11 +02:00
diag288_wdt.c
watchdog: diag288_wdt: fix __diag288() inline assembly
2023-02-22 12:50:27 +01:00
digicolor_wdt.c
watchdog: digicolor_wdt: Remove unused variable in dc_wdt_probe
2019-07-15 08:49:11 +02:00
dw_wdt.c
watchdog: dw_wdt: Fix default timeout
2025-08-28 16:21:27 +02:00
ebc-c384_wdt.c
watchdog: convert remaining drivers to use SPDX license identifier
2019-07-08 20:35:11 +02:00
ep93xx_wdt.c
eurotechwdt.c
watchdog: convert remaining drivers to use SPDX license identifier
2019-07-08 20:35:11 +02:00
f71808e_wdt.c
watchdog: f71808e_wdt: fix inaccurate report in WDIOC_GETTIMEOUT
2021-11-17 09:48:46 +01:00
ftwdt010_wdt.c
watchdog: ftwdt010_wdt: drop warning after registering device
2019-07-08 15:13:06 +02:00
gef_wdt.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
geodewdt.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
gpio_wdt.c
watchdog: gpio: add support for nowayout option
2019-07-08 19:39:44 +02:00
hpwdt.c
watchdog/hpwdt: Only claim UNKNOWN NMI if from iLO
2024-01-25 14:34:28 -08:00
i6300esb.c
watchdog: i6300esb: drop warning after registering device
2019-07-08 15:13:06 +02:00
ib700wdt.c
watchdog: convert remaining drivers to use SPDX license identifier
2019-07-08 20:35:11 +02:00
ibmasr.c
ie6xx_wdt.c
watchdog: ie6xx_wdt: Use spinlock_t instead of struct spinlock
2019-07-08 20:46:48 +02:00
imgpdc_wdt.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
imx2_wdt.c
watchdog: imx2_wdt: fix min() calculation in imx2_wdt_set_timeout
2019-09-17 08:59:02 +02:00
imx7ulp_wdt.c
watchdog: imx7ulp: Fix reboot hang
2020-01-04 19:18:13 +01:00
imx_sc_wdt.c
watchdog: imx_sc_wdt: Don't disable WDT in suspend
2024-11-08 16:20:32 +01:00
indydog.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
intel-mid_wdt.c
watchdog: intel-mid_wdt: add MODULE_ALIAS() to allow auto-load
2023-09-23 10:59:58 +02:00
intel_scu_watchdog.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 278
2019-06-05 17:36:36 +02:00
intel_scu_watchdog.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 278
2019-06-05 17:36:36 +02:00
iop_wdt.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 320
2019-06-05 17:37:05 +02:00
it87_wdt.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157
2019-05-30 11:26:37 -07:00
it8712f_wdt.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
iTCO_vendor.h
watchdog: iTCO_wdt: Export vendorsupport
2020-04-08 09:08:46 +02:00
iTCO_vendor_support.c
watchdog: iTCO_wdt: Export vendorsupport
2020-04-08 09:08:46 +02:00
iTCO_wdt.c
iTCO_wdt: mask NMI_NOW bit for update_no_reboot_bit() call
2024-12-14 19:44:44 +01:00
ixp4xx_wdt.c
jz4740_wdt.c
watchdog: jz4740: Fix unused variable warning in jz4740_wdt_probe
2019-08-12 13:05:39 +02:00
Kconfig
ar7: fix kernel builds for compiler test
2021-11-17 09:48:46 +01:00
kempld_wdt.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 294
2019-06-05 17:36:38 +02:00
lantiq_wdt.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
loongson1_wdt.c
watchdog: loongson1_wdt: drop warning after registering device
2019-07-08 15:13:08 +02:00
lpc18xx_wdt.c
watchdog: Fix possible use-after-free by calling del_timer_sync()
2021-07-20 16:10:47 +02:00
m54xx_wdt.c
machzwd.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
Makefile
watchdog: Add i.MX7ULP watchdog support
2019-09-17 08:59:12 +02:00
max63xx_wdt.c
max77620_wdt.c
watchdog: max77620_wdt: drop warning after registering device
2019-07-08 15:13:09 +02:00
mei_wdt.c
watchdog: mei_wdt: request stop on unregister
2021-03-04 10:26:47 +01:00
mena21_wdt.c
watchdog: mena21_wdt: drop warning after registering device
2019-07-08 15:13:09 +02:00
menf21bmc_wdt.c
watchdog: menf21bmc_wdt: drop warning after registering device
2019-07-08 15:13:10 +02:00
menz69_wdt.c
watchdog: menz069_wdt: fix watchdog initialisation
2023-06-09 10:28:55 +02:00
meson_gxbb_wdt.c
watchdog: meson: Fix the wrong value of left time
2019-11-05 16:58:12 +01:00
meson_wdt.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
mixcomwd.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
mlx_wdt.c
moxart_wdt.c
mpc8xxx_wdt.c
watchdog: mpc8xxx_wdt: Reload the watchdog timer when enabling the watchdog
2025-10-29 13:59:48 +01:00
mt7621_wdt.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
mtk_wdt.c
watchdog: mediatek: Make sure system reset gets asserted in mtk_wdt_restart()
2024-12-14 19:44:44 +01:00
mtx-1_wdt.c
mv64x60_wdt.c
watchdog: convert remaining drivers to use SPDX license identifier
2019-07-08 20:35:11 +02:00
ni903x_wdt.c
watchdog: ni903x_wdt: drop warning after registering device
2019-07-08 15:13:10 +02:00
nic7018_wdt.c
watchdog: nic7018_wdt: drop warning after registering device
2019-07-08 15:13:11 +02:00
npcm_wdt.c
watchdog: npcm_wdt: drop warning after registering device
2019-07-08 15:13:11 +02:00
nv_tco.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
nv_tco.h
watchdog: convert remaining drivers to use SPDX license identifier
2019-07-08 20:35:11 +02:00
octeon-wdt-main.c
watchdog: convert remaining drivers to use SPDX license identifier
2019-07-08 20:35:11 +02:00
octeon-wdt-nmi.S
of_xilinx_wdt.c
watchdog: of_xilinx_wdt: drop warning after registering device
2019-07-08 15:13:12 +02:00
omap_wdt.c
watchdog: Fix OMAP watchdog early handling
2021-11-17 09:48:21 +01:00
omap_wdt.h
watchdog: convert remaining drivers to use SPDX license identifier
2019-07-08 20:35:11 +02:00
orion_wdt.c
watchdog: orion: use 0 for unset heartbeat
2021-10-20 11:40:13 +02:00
pc87413_wdt.c
watchdog: convert remaining drivers to use SPDX license identifier
2019-07-08 20:35:11 +02:00
pcwd.c
watchdog: Mark expected switch fall-throughs
2019-08-12 13:05:37 +02:00
pcwd_pci.c
watchdog: convert remaining drivers to use SPDX license identifier
2019-07-08 20:35:11 +02:00
pcwd_usb.c
watchdog: pcwd_usb: Fix attempting to access uninitialized memory
2023-03-11 16:44:11 +01:00
pic32-dmt.c
watchdog: pic32-dmt: drop warning after registering device
2019-07-08 15:13:12 +02:00
pic32-wdt.c
watchdog: pic32-wdt: drop warning after registering device
2019-07-08 15:13:12 +02:00
pika_wdt.c
pm8916_wdt.c
watchdog: pm8916_wdt: fix pretimeout registration flow
2019-11-05 16:58:11 +01:00
pnx833x_wdt.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
pnx4008_wdt.c
watchdog: pnx4008_wdt: allow compile-testing
2019-09-16 22:10:05 +02:00
pretimeout_noop.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
pretimeout_panic.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
qcom-wdt.c
watchdog: qcom: Remove incorrect usage of QCOM_WDT_ENABLE_IRQ
2021-03-04 10:26:47 +01:00
rave-sp-wdt.c
watchdog: rave-sp-wdt: drop warning after registering device
2019-07-08 15:13:14 +02:00
rc32434_wdt.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
rdc321x_wdt.c
drivers: watchdog: rdc321x_wdt: Fix race condition bugs
2020-11-05 11:43:20 +01:00
renesas_wdt.c
watchdog: renesas_wdt: Add a few cycles delay
2019-07-08 19:39:44 +02:00
retu_wdt.c
watchdog: convert remaining drivers to use SPDX license identifier
2019-07-08 20:35:11 +02:00
riowd.c
watchdog: riowd: Mark expected switch fall-through
2019-08-12 13:05:38 +02:00
rn5t618_wdt.c
watchdog: rn5t618_wdt: fix module aliases
2020-02-01 09:34:43 +00:00
rt2880_wdt.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
rtd119x_wdt.c
rza_wdt.c
s3c2410_wdt.c
watchdog: s3c2410_wdt: drop warning after registering device
2019-07-08 15:13:14 +02:00
sa1100_wdt.c
watchdog: convert remaining drivers to use SPDX license identifier
2019-07-08 20:35:11 +02:00
sama5d4_wdt.c
watchdog: atmel: atmel-sama5d4-wdt: Disable watchdog on system suspend
2019-07-08 20:35:12 +02:00
sb_wdog.c
watchdog: Mark expected switch fall-throughs
2019-08-12 13:05:37 +02:00
sbc60xxwdt.c
watchdog: Fix possible use-after-free in wdt_startup()
2021-07-20 16:10:47 +02:00
sbc7240_wdt.c
watchdog: convert remaining drivers to use SPDX license identifier
2019-07-08 20:35:11 +02:00
sbc8360.c
watchdog: convert remaining drivers to use SPDX license identifier
2019-07-08 20:35:11 +02:00
sbc_epx_c3.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
sbc_fitpc2_wdt.c
sbsa_gwdt.c
watchdog: sbsa_wdog: Make sure the timeout programming is within the limits
2023-04-20 12:07:37 +02:00
sc520_wdt.c
watchdog: sc520_wdt: Fix possible use-after-free in wdt_turnoff()
2021-07-20 16:10:47 +02:00
sc1200wdt.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
sch311x_wdt.c
watchdog: convert remaining drivers to use SPDX license identifier
2019-07-08 20:35:11 +02:00
scx200_wdt.c
watchdog: scx200_wdt: Mark expected switch fall-through
2019-08-12 13:05:37 +02:00
shwdt.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
sirfsoc_wdt.c
smsc37b787_wdt.c
docs: watchdog: convert docs to ReST and rename to *.rst
2019-07-08 20:35:09 +02:00
softdog.c
watchdog: convert remaining drivers to use SPDX license identifier
2019-07-08 20:35:11 +02:00
sp805_wdt.c
watchdog: sp805: fix restart handler
2020-04-23 10:36:15 +02:00
sp5100_tco.c
watchdog: sp5100_tco: Immediately trigger upon starting.
2023-05-30 12:44:08 +01:00
sp5100_tco.h
watchdog: sp5100: Fix definition of EFCH_PM_DECODEEN3
2020-10-29 09:57:55 +01:00
sprd_wdt.c
watchdog: sprd: check busy bit before new loading rather than after that
2020-12-30 11:51:25 +01:00
st_lpc_wdt.c
watchdog: st_lpc_wdt: drop warning after registering device
2019-07-08 15:13:16 +02:00
stm32_iwdg.c
watchdog: stm32_iwdg: initialize default timeout
2024-03-26 18:22:24 -04:00
stmp3xxx_rtc_wdt.c
watchdog: stmp3xxx_rtc_wdt: drop warning after registering device
2019-07-08 15:13:17 +02:00
stpmic1_wdt.c
sun4v_wdt.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
sunxi_wdt.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
tangox_wdt.c
tegra_wdt.c
watchdog: tegra_wdt: drop warning after registering device
2019-07-08 15:13:17 +02:00
tqmx86_wdt.c
ts72xx_wdt.c
ts4800_wdt.c
watchdog: ts4800_wdt: Fix refcount leak in ts4800_wdt_probe
2022-06-14 18:11:54 +02:00
twl4030_wdt.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
txx9wdt.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
uniphier_wdt.c
ux500_wdt.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 197
2019-05-30 11:29:22 -07:00
via_wdt.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 194
2019-05-30 11:29:22 -07:00
w83627hf_wdt.c
watchdog: convert remaining drivers to use SPDX license identifier
2019-07-08 20:35:11 +02:00
w83877f_wdt.c
watchdog: Fix possible use-after-free by calling del_timer_sync()
2021-07-20 16:10:47 +02:00
w83977f_wdt.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
wafer5823wdt.c
watchdog: convert remaining drivers to use SPDX license identifier
2019-07-08 20:35:11 +02:00
watchdog_core.c
watchdog: Fix potential dereferencing of null pointer
2020-12-30 11:51:25 +01:00
watchdog_core.h
watchdog: convert remaining drivers to use SPDX license identifier
2019-07-08 20:35:11 +02:00
watchdog_dev.c
watchdog: set cdev owner before adding
2024-01-25 14:34:28 -08:00
watchdog_pretimeout.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
watchdog_pretimeout.h
wd501p.h
watchdog: convert remaining drivers to use SPDX license identifier
2019-07-08 20:35:11 +02:00
wdat_wdt.c
watchdog: wdat_wdt: Stop watchdog when rebooting the system
2022-06-14 18:12:00 +02:00
wdrtas.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 153
2019-05-30 11:26:32 -07:00
wdt.c
watchdog: Mark expected switch fall-throughs
2019-08-12 13:05:37 +02:00
wdt285.c
watchdog: wdt285: Mark expected switch fall-through
2019-08-20 19:43:23 -05:00
wdt977.c
watchdog: wdt977: Mark expected switch fall-through
2019-08-12 13:05:38 +02:00
wdt_pci.c
watchdog: convert remaining drivers to use SPDX license identifier
2019-07-08 20:35:11 +02:00
wm831x_wdt.c
watchdog: wm831x_wdt: drop warning after registering device
2019-07-08 15:13:18 +02:00
wm8350_wdt.c
xen_wdt.c
watchdog: xen_wdt: drop warning after registering device
2019-07-08 15:13:18 +02:00
ziirave_wdt.c
watchdog: ziirave_wdt: check record length in ziirave_firm_verify()
2025-08-28 16:21:21 +02:00
zx2967_wdt.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 194
2019-05-30 11:29:22 -07:00