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kernel_samsung_a53x/drivers/watchdog
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Ben Wolsieffer 76e4866e10 watchdog: stm32_iwdg: initialize default timeout 
[ Upstream commit dbd7c0088b7f44aa0b9276ed3449df075a7b5b54 ]

The driver never sets a default timeout value, therefore it is
initialized to zero. When CONFIG_WATCHDOG_HANDLE_BOOT_ENABLED is
enabled, the watchdog is started during probe. The kernel is supposed to
automatically ping the watchdog from this point until userspace takes
over, but this does not happen if the configured timeout is zero. A zero
timeout causes watchdog_need_worker() to return false, so the heartbeat
worker does not run and the system therefore resets soon after the
driver is probed.

This patch fixes this by setting an arbitrary non-zero default timeout.
The default could be read from the hardware instead, but I didn't see
any reason to add this complexity.

This has been tested on an STM32F746.

Fixes: 85fdc63fe256 ("drivers: watchdog: stm32_iwdg: set WDOG_HW_RUNNING at probe")
Signed-off-by: Ben Wolsieffer <ben.wolsieffer@hefring.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20240228182723.12855-1-ben.wolsieffer@hefring.com
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>
2024-11-19 08:44:57 +01:00
..
acquirewdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
advantechwdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
alim1535_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
alim7101_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ar7_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
arm_smc_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
armada_37xx_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
asm9260_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
aspeed_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
at91rm9200_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
at91sam9_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
at91sam9_wdt.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ath79_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
atlas7_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
bcm47xx_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
bcm63xx_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
bcm2835_wdt.c watchdog: bcm2835_wdt: Fix WDIOC_SETTIMEOUT handling 2024-11-18 12:12:42 +01:00
bcm7038_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
bcm_kona_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
bd70528_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
booke_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
cadence_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
coh901327_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
cpu5wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
cpwd.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
da9052_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
da9055_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
da9062_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
da9063_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
davinci_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
diag288_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
digicolor_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
dw_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ebc-c384_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ep93xx_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
eurotechwdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
f71808e_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ftwdt010_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
gef_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
geodewdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
gpio_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
hpwdt.c watchdog/hpwdt: Only claim UNKNOWN NMI if from iLO 2024-11-18 12:12:42 +01:00
i6300esb.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ib700wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ibmasr.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ie6xx_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
imgpdc_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
imx2_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
imx7ulp_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
imx_sc_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
indydog.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
intel-mid_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
intel_scu_watchdog.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
intel_scu_watchdog.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
iop_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
it87_wdt.c watchdog: it87_wdt: Keep WDTCTRL bit 3 unmodified for IT8784/IT8786 2024-11-18 12:13:19 +01:00
it8712f_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
iTCO_vendor.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
iTCO_vendor_support.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
iTCO_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ixp4xx_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
jz4740_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
Kconfig Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
kempld_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
lantiq_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
loongson1_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
lpc18xx_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
m54xx_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
machzwd.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
Makefile Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
max63xx_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
max77620_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
mei_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
mena21_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
menf21bmc_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
menz69_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
meson_gxbb_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
meson_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
mixcomwd.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
mlx_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
moxart_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
mpc8xxx_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
mt7621_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
mtk_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
mtx-1_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
mv64x60_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ni903x_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
nic7018_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
npcm_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
nv_tco.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
nv_tco.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
octeon-wdt-main.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
octeon-wdt-nmi.S Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
of_xilinx_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
omap_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
omap_wdt.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
orion_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
pc87413_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
pcwd.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
pcwd_pci.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
pcwd_usb.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
pic32-dmt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
pic32-wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
pika_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
pm8916_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
pnx833x_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
pnx4008_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
pretimeout_noop.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
pretimeout_panic.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
qcom-wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
rave-sp-wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
rc32434_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
rdc321x_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
renesas_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
retu_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
riowd.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
rn5t618_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
rt2880_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
rtd119x_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
rti_wdt.c watchdog: rti_wdt: Drop runtime pm reference count when watchdog is unused 2024-11-18 12:12:42 +01:00
rza_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
s3c2410_builtin_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
s3c2410_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
s3c2410_wdt.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
sa1100_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
sama5d4_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
sb_wdog.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
sbc60xxwdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
sbc7240_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
sbc8360.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
sbc_epx_c3.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
sbc_fitpc2_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
sbsa_gwdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
sc520_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
sc1200wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
sch311x_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
scx200_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
shwdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
sirfsoc_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
sl28cpld_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
smsc37b787_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
softdog.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
sp805_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
sp5100_tco.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
sp5100_tco.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
sprd_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
st_lpc_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
stm32_iwdg.c watchdog: stm32_iwdg: initialize default timeout 2024-11-19 08:44:57 +01:00
stmp3xxx_rtc_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
stpmic1_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
sun4v_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
sunxi_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
tangox_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
tegra_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
tqmx86_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ts72xx_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ts4800_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
twl4030_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
txx9wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
uniphier_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ux500_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
via_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
visconti_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
w83627hf_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
w83877f_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
w83977f_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
wafer5823wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
watchdog_core.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
watchdog_core.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
watchdog_dev.c watchdog: set cdev owner before adding 2024-11-18 12:12:42 +01:00
watchdog_pretimeout.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
watchdog_pretimeout.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
wd501p.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
wdat_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
wdrtas.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
wdt285.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
wdt977.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
wdt_pci.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
wm831x_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
wm8350_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
xen_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ziirave_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
zx2967_wdt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00