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WSL2-Linux-Kernel
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WSL2-Linux-Kernel/drivers/watchdog
История
Matti Vaittinen b17f6f448b watchdog: bd9576: Drop "always-running" property 
[ Upstream commit e3b3afd34d84efcbe4543deb966b1990f43584b8 ]

The always-running (from linux,wdt-gpio.yaml) is abused by the BD9576
watchdog driver. It's defined meaning is "the watchdog is always running
and can not be stopped". The BD9576 watchdog driver has implemented it
as "start watchdog when loading the module and prevent it from being
stopped".

Furthermore, the implementation does not set the WDOG_HW_RUNNING when
enabling the watchdog due to the "always-running" at module loading.
This will end up resulting a watchdog timeout if the device is not
opened.

The culprit was pointed out by Guenter, discussion can be found from
https://lore.kernel.org/lkml/4fa3a64b-60fb-4e5e-8785-0f14da37eea2@roeck-us.net/

Drop the invalid "always-running" handling.

Signed-off-by: Matti Vaittinen <mazziesaccount@gmail.com>
Reported-by: Guenter Roeck <linux@roeck-us.net>
Fixes: b237bcac55 ("wdt: Support wdt on ROHM BD9576MUF and BD9573MUF")
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/ZhPAt76yaJMersXf@fedora
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>
 		2024-06-16 13:39:38 +02:00
..
Kconfig ar7: fix kernel builds for compiler test 2021-11-18 19:17:03 +01:00
Makefile watchdog: bd70528 drop bd70528 support 2021-08-22 10:28:06 +02:00
acquirewdt.c compat_ioctl: move WDIOC handling into wdt drivers 2019-10-23 17:23:46 +02:00
advantechwdt.c watchdog: Use fallthrough pseudo-keyword 2020-08-05 18:42:53 +02:00
alim1535_wdt.c watchdog: Use fallthrough pseudo-keyword 2020-08-05 18:42:53 +02:00
alim7101_wdt.c watchdog: Use fallthrough pseudo-keyword 2020-08-05 18:42:53 +02:00
ar7_wdt.c watchdog: Use fallthrough pseudo-keyword 2020-08-05 18:42:53 +02:00
arm_smc_wdt.c watchdog: Add new arm_smc_wdt watchdog driver 2020-05-25 08:55:46 +02:00
armada_37xx_wdt.c watchdog: armada_37xx_wdt: check the return value of devm_ioremap() in armada_37xx_wdt_probe() 2022-08-17 14:24:11 +02:00
asm9260_wdt.c
…
aspeed_wdt.c watchdog: aspeed: fix hardware timeout calculation 2021-06-21 08:49:04 +02:00
at91rm9200_wdt.c compat_ioctl: move WDIOC handling into wdt drivers 2019-10-23 17:23:46 +02:00
at91sam9_wdt.c watchdog: at91sam9_wdt: use devm_request_irq to avoid missing free_irq() in error path 2023-03-11 13:57:27 +01:00
at91sam9_wdt.h watchdog: sama5d4_wdt: addition of sam9x60 compatible watchdog 2020-01-27 15:55:44 +01:00
ath79_wdt.c watchdog: Use fallthrough pseudo-keyword 2020-08-05 18:42:53 +02:00
bcm47xx_wdt.c
…
bcm63xx_wdt.c remove ioremap_nocache and devm_ioremap_nocache 2020-01-06 09:45:59 +01:00
bcm2835_wdt.c watchdog: bcm2835_wdt: Fix WDIOC_SETTIMEOUT handling 2024-01-25 14:52:44 -08:00
bcm7038_wdt.c watchdog: bcm7038_wdt: add big endian support 2021-06-21 08:49:09 +02:00
bcm_kona_wdt.c watchdog: bcm_kona_wdt: Use correct return value for bcm_kona_wdt_probe() 2020-08-05 18:42:46 +02:00
bd9576_wdt.c watchdog: bd9576: Drop "always-running" property 2024-06-16 13:39:38 +02:00
booke_wdt.c watchdog: fix syntactic kernel-doc issues 2021-06-21 08:49:09 +02:00
cadence_wdt.c watchdog: cadence: Simplify with dev_err_probe() 2020-10-14 15:02:24 +02:00
cpu5wdt.c module: remove never implemented MODULE_SUPPORTED_DEVICE 2021-03-17 13:16:18 -07:00
cpwd.c module: remove never implemented MODULE_SUPPORTED_DEVICE 2021-03-17 13:16:18 -07:00
da9052_wdt.c
…
da9055_wdt.c
…
da9062_wdt.c watchdog: da9062: No need to ping manually before setting timeout 2020-05-25 08:55:44 +02:00
da9063_wdt.c watchdog: da9063: Make use of pre-configured timeout during probe 2020-05-25 08:55:43 +02:00
davinci_wdt.c watchdog: davinci: Simplify with dev_err_probe() 2020-10-14 15:02:25 +02:00
diag288_wdt.c watchdog: diag288_wdt: fix __diag288() inline assembly 2023-02-09 11:26:41 +01:00
digicolor_wdt.c
…
dw_wdt.c watchdog: dw_wdt: Fix the error handling path of dw_wdt_drv_probe() 2023-05-17 11:50:16 +02:00
ebc-c384_wdt.c
…
ep93xx_wdt.c
…
eurotechwdt.c watchdog: fix syntactic kernel-doc issues 2021-06-21 08:49:09 +02:00
f71808e_wdt.c watchdog: f71808e_wdt: fix inaccurate report in WDIOC_GETTIMEOUT 2021-11-18 19:17:03 +01:00
ftwdt010_wdt.c
…
gef_wdt.c watchdog: Use fallthrough pseudo-keyword 2020-08-05 18:42:53 +02:00
geodewdt.c watchdog: geodewdt: remove unneeded break 2020-12-13 16:17:41 +01:00
gpio_wdt.c
…
hpwdt.c watchdog/hpwdt: Only claim UNKNOWN NMI if from iLO 2024-01-25 14:52:44 -08:00
i6300esb.c
…
iTCO_vendor.h watchdog: iTCO_wdt: Export vendorsupport 2020-03-10 10:20:27 +01:00
iTCO_vendor_support.c watchdog: iTCO_wdt: Export vendorsupport 2020-03-10 10:20:27 +01:00
iTCO_wdt.c watchdog: iTCO_wdt: Set NO_REBOOT if the watchdog is not already running 2023-10-06 13:18:20 +02:00
ib700wdt.c watchdog: Use fallthrough pseudo-keyword 2020-08-05 18:42:53 +02:00
ibmasr.c compat_ioctl: move WDIOC handling into wdt drivers 2019-10-23 17:23:46 +02:00
ie6xx_wdt.c
…
imgpdc_wdt.c
…
imx2_wdt.c watchdog: imx2_wdg: notify wdog core to stop ping worker on suspend 2021-08-22 10:28:08 +02:00
imx7ulp_wdt.c watchdog: imx7ulp: Watchdog should continue running for wait/stop mode 2020-10-14 15:02:26 +02:00
imx_sc_wdt.c watchdog: imx_sc_wdt: fix pretimeout 2021-06-21 08:49:14 +02:00
indydog.c compat_ioctl: move WDIOC handling into wdt drivers 2019-10-23 17:23:46 +02:00
intel-mid_wdt.c watchdog: intel-mid_wdt: add MODULE_ALIAS() to allow auto-load 2023-09-19 12:22:57 +02:00
iop_wdt.c compat_ioctl: move WDIOC handling into wdt drivers 2019-10-23 17:23:46 +02:00
it87_wdt.c watchdog: it87_wdt: Keep WDTCTRL bit 3 unmodified for IT8784/IT8786 2024-02-23 08:54:49 +01:00
it8712f_wdt.c watchdog: it8712f_wdt: remove definition of DEBUG 2021-02-07 14:41:18 +01:00
ixp4xx_wdt.c watchdog: ixp4xx_wdt: Fix address space warning 2021-10-26 20:22:51 +02:00
jz4740_wdt.c watchdog: jz4740: Fix return value check in jz4740_wdt_probe() 2021-06-21 08:49:11 +02:00
keembay_wdt.c watchdog: keembay: Typo corrections and other blank operations 2021-06-21 08:48:57 +02:00
kempld_wdt.c
…
lantiq_wdt.c
…
loongson1_wdt.c
…
lpc18xx_wdt.c watchdog: Fix possible use-after-free by calling del_timer_sync() 2021-06-21 08:49:03 +02:00
m54xx_wdt.c watchdog: Use fallthrough pseudo-keyword 2020-08-05 18:42:53 +02:00
machzwd.c watchdog: Fix fall-through warnings for Clang 2021-05-17 18:56:23 -05:00
max63xx_wdt.c watchdog: max63xx_wdt: Add device tree probing 2021-08-22 10:28:11 +02:00
max77620_wdt.c
…
mei_wdt.c mei: fix kdoc in the driver 2021-06-22 12:40:31 +02:00
mena21_wdt.c
…
menf21bmc_wdt.c
…
menz69_wdt.c watchdog: menz069_wdt: fix watchdog initialisation 2023-06-09 10:32:19 +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 watchdog: meson_wdt: Use device_get_match_data() helper 2021-06-21 08:49:05 +02:00
mixcomwd.c compat_ioctl: move WDIOC handling into wdt drivers 2019-10-23 17:23:46 +02:00
mlx_wdt.c watchdog: mlx-wdt: support new watchdog type with longer timeout period 2020-08-05 18:42:45 +02:00
moxart_wdt.c
…
mpc8xxx_wdt.c watchdog: mpc8xxx_wdt: Constify static struct watchdog_ops 2021-08-22 10:28:10 +02:00
msc313e_wdt.c watchdog: Add Mstar MSC313e WDT driver 2021-06-21 08:49:19 +02:00
mt7621_wdt.c
…
mtk_wdt.c watchdog: mediatek: mt8195: add wdt support 2021-08-22 10:28:11 +02:00
mtx-1_wdt.c watchdog: mtx-1: drop au1000.h header file 2021-06-21 08:48:58 +02:00
ni903x_wdt.c
…
nic7018_wdt.c
…
npcm_wdt.c watchdog: npcm: Add support for WPCM450 2021-04-09 14:11:24 +09:30
nv_tco.c watchdog: Replace HTTP links with HTTPS ones 2020-08-05 18:43:01 +02:00
nv_tco.h watchdog: Replace HTTP links with HTTPS ones 2020-08-05 18:43:01 +02:00
octeon-wdt-main.c linux-watchdog 5.14-rc1 tag 2021-07-07 12:57:46 -07:00
octeon-wdt-nmi.S
…
of_xilinx_wdt.c watchdog: of_xilinx_wdt: Skip printing pointer value 2021-06-21 08:49:08 +02:00
omap_wdt.c watchdog: Fix OMAP watchdog early handling 2021-10-26 20:22:51 +02:00
omap_wdt.h
…
orion_wdt.c watchdog: Fix a typo in the file orion_wdt.c 2021-06-21 08:49:12 +02:00
pc87413_wdt.c watchdog: fix syntactic kernel-doc issues 2021-06-21 08:49:09 +02:00
pcwd.c isa: Make the remove callback for isa drivers return void 2021-01-26 07:42:27 +01:00
pcwd_pci.c watchdog: Use fallthrough pseudo-keyword 2020-08-05 18:42:53 +02:00
pcwd_usb.c watchdog: pcwd_usb: Fix attempting to access uninitialized memory 2023-03-11 13:57:27 +01:00
pic32-dmt.c
…
pic32-wdt.c
…
pika_wdt.c compat_ioctl: move WDIOC handling into wdt drivers 2019-10-23 17:23:46 +02:00
pm8916_wdt.c watchdog: pm8916_wdt: Add system sleep callbacks 2020-03-18 11:10:09 +01:00
pnx4008_wdt.c
…
pretimeout_noop.c
…
pretimeout_panic.c
…
qcom-wdt.c watchdog: qcom: Move suspend/resume to suspend_late/resume_early 2021-06-21 08:49:12 +02:00
rave-sp-wdt.c
…
rc32434_wdt.c watchdog: Use fallthrough pseudo-keyword 2020-08-05 18:42:53 +02:00
rdc321x_wdt.c drivers: watchdog: rdc321x_wdt: Fix race condition bugs 2020-10-14 15:02:21 +02:00
renesas_wdt.c watchdog: renesas_wdt: add grace period before rebooting 2021-02-07 14:41:22 +01:00
retu_wdt.c watchdog: retu_wdt: Clean-up by using managed work init 2021-03-23 15:22:40 +01:00
riowd.c module: remove never implemented MODULE_SUPPORTED_DEVICE 2021-03-17 13:16:18 -07:00
rn5t618_wdt.c watchdog: rn5t618_wdt: fix module aliases 2019-12-30 15:58:29 +01:00
rt2880_wdt.c
…
rtd119x_wdt.c
…
rti_wdt.c watchdog: rti_wdt: Drop runtime pm reference count when watchdog is unused 2024-01-25 14:52:44 -08:00
rza_wdt.c
…
s3c2410_wdt.c
…
sa1100_wdt.c watchdog: Use fallthrough pseudo-keyword 2020-08-05 18:42:53 +02:00
sama5d4_wdt.c watchdog: sama5d4_wdt: add support for sama7g5-wdt 2021-06-21 08:49:16 +02:00
sb_wdog.c watchdog: Use fallthrough pseudo-keyword 2020-08-05 18:42:53 +02:00
sbc60xxwdt.c watchdog: Fix possible use-after-free in wdt_startup() 2021-06-21 08:48:59 +02:00
sbc7240_wdt.c watchdog: Use fallthrough pseudo-keyword 2020-08-05 18:42:53 +02:00
sbc8360.c
…
sbc_epx_c3.c compat_ioctl: move WDIOC handling into wdt drivers 2019-10-23 17:23:46 +02:00
sbc_fitpc2_wdt.c watchdog: sbc_fitpc2_wdt: add __user annotations 2020-12-13 16:17:41 +01:00
sbsa_gwdt.c sbsa_gwdt: Calculate timeout with 64-bit math 2023-11-28 16:56:33 +00:00
sc520_wdt.c watchdog: sc520_wdt: Fix possible use-after-free in wdt_turnoff() 2021-06-21 08:49:02 +02:00
sc1200wdt.c treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
sch311x_wdt.c watchdog: Use fallthrough pseudo-keyword 2020-08-05 18:42:53 +02:00
scx200_wdt.c watchdog: scx200_wdt: Use fallthrough pseudo-keyword 2020-08-05 18:42:54 +02:00
shwdt.c
…
sl28cpld_wdt.c watchdog: sl28cpld_wdt: Constify static struct watchdog_ops 2021-08-22 10:28:09 +02:00
smsc37b787_wdt.c watchdog: Use fallthrough pseudo-keyword 2020-08-05 18:42:53 +02:00
softdog.c watchdog: softdog: Add options 'soft_reboot_cmd' and 'soft_active_on_boot' 2020-08-05 18:43:02 +02:00
sp805_wdt.c watchdog: sp805: Fix kernel doc description 2021-06-21 08:49:01 +02:00
sp5100_tco.c watchdog: sp5100_tco: support Hygon FCH/SCH (Server Controller Hub) 2023-08-26 14:23:25 +02:00
sp5100_tco.h Watchdog: sp5100_tco: Enable Family 17h+ CPUs 2022-05-25 09:57:23 +02:00
sprd_wdt.c watchdog: sprd: change to use usleep_range() instead of busy loop 2020-12-13 16:17:39 +01:00
st_lpc_wdt.c
…
stm32_iwdg.c watchdog: stm32_iwdg: initialize default timeout 2024-03-26 18:21:33 -04:00
stmp3xxx_rtc_wdt.c
…
stpmic1_wdt.c
…
sun4v_wdt.c
…
sunxi_wdt.c watchdog: sunxi_wdt: fix improper error exit code 2020-08-05 18:42:46 +02:00
tegra_wdt.c
…
tqmx86_wdt.c watchdog: tqmx86: Constify static struct watchdog_ops 2021-08-22 10:28:10 +02:00
ts72xx_wdt.c
…
ts4800_wdt.c watchdog: ts4800_wdt: Fix refcount leak in ts4800_wdt_probe 2022-06-14 18:36:09 +02:00
twl4030_wdt.c
…
txx9wdt.c
…
uniphier_wdt.c
…
ux500_wdt.c
…
via_wdt.c
…
visconti_wdt.c watchdog: Add Toshiba Visconti watchdog driver 2020-10-14 15:22:58 +02:00
w83627hf_wdt.c watchdog: w83627hf_wdt: Fix support NCT6116D 2019-12-30 15:58:23 +01:00
w83877f_wdt.c watchdog: Fix possible use-after-free by calling del_timer_sync() 2021-06-21 08:49:03 +02:00
w83977f_wdt.c watchdog: Use fallthrough pseudo-keyword 2020-08-05 18:42:53 +02:00
wafer5823wdt.c watchdog: Use fallthrough pseudo-keyword 2020-08-05 18:42:53 +02:00
watchdog_core.c watchdog: introduce watchdog_dev_suspend/resume 2021-08-22 10:28:08 +02:00
watchdog_core.h watchdog: Add hrtimer-based pretimeout feature 2021-06-21 08:49:13 +02:00
watchdog_dev.c watchdog: set cdev owner before adding 2024-01-25 14:52:44 -08:00
watchdog_hrtimer_pretimeout.c watchdog: Add hrtimer-based pretimeout feature 2021-06-21 08:49:13 +02:00
watchdog_pretimeout.c watchdog: Add hrtimer-based pretimeout feature 2021-06-21 08:49:13 +02:00
watchdog_pretimeout.h
…
wd501p.h
…
wdat_wdt.c watchdog: wdat_wdt: Stop watchdog when rebooting the system 2022-06-14 18:36:22 +02:00
wdrtas.c treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
wdt.c watchdog: fix syntactic kernel-doc issues 2021-06-21 08:49:09 +02:00
wdt285.c watchdog: Use fallthrough pseudo-keyword 2020-08-05 18:42:53 +02:00
wdt977.c watchdog: Use fallthrough pseudo-keyword 2020-08-05 18:42:53 +02:00
wdt_pci.c watchdog: fix syntactic kernel-doc issues 2021-06-21 08:49:09 +02:00
wm831x_wdt.c watchdog: wm831x_wdt: Remove GPIO handling 2020-03-18 11:15:24 +01:00
wm8350_wdt.c
…
xen_wdt.c
…
ziirave_wdt.c watchdog: ziirave_wdt: Remove VERSION_FMT defines and add sysfs newlines 2021-06-21 08:49:15 +02:00