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linux-stable/drivers/watchdog
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Xingyu Chen 3f034e6889 watchdog: meson: Fix the wrong value of left time 
[ Upstream commit 2c77734642 ]

The left time value is wrong when we get it by sysfs. The left time value
should be equal to preset timeout value minus elapsed time value. According
to the Meson-GXB/GXL datasheets which can be found at [0], the timeout value
is saved to BIT[0-15] of the WATCHDOG_TCNT, and elapsed time value is saved
to BIT[16-31] of the WATCHDOG_TCNT.

[0]: http://linux-meson.com

Fixes: 683fa50f0e ("watchdog: Add Meson GXBB Watchdog Driver")
Signed-off-by: Xingyu Chen <xingyu.chen@amlogic.com>
Acked-by: Neil Armstrong <narmstrong@baylibre.com>
Reviewed-by: Kevin Hilman <khilman@baylibre.com>
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>
2019-12-05 09:19:44 +01:00
..
acquirewdt.c
advantechwdt.c watchdog: advantechwdt: mark expected switch fall-through 2017-12-28 20:45:28 +01:00
alim1535_wdt.c watchdog: alim1535_wdt: mark expected switch fall-through 2017-12-28 20:45:28 +01:00
alim7101_wdt.c treewide: Switch DEFINE_TIMER callbacks to struct timer_list * 2017-11-21 15:57:05 -08:00
ar7_wdt.c watchdog: add SPDX identifiers for watchdog subsystem 2018-03-24 10:19:40 +01:00
asm9260_wdt.c watchdog: asm9260_wdt: fix error handling in asm9260_wdt_probe() 2018-03-03 17:04:16 +01:00
aspeed_wdt.c watchdog: aspeed: Add support for AST2600 2019-10-11 18:21:15 +02:00
at91rm9200_wdt.c watchdog: add SPDX identifiers for watchdog subsystem 2018-03-24 10:19:40 +01:00
at91sam9_wdt.c watchdog: add SPDX identifiers for watchdog subsystem 2018-03-24 10:19:40 +01:00
at91sam9_wdt.h watchdog: add SPDX identifiers for watchdog subsystem 2018-03-24 10:19:40 +01:00
ath79_wdt.c
atlas7_wdt.c
bcm47xx_wdt.c watchdog: add SPDX identifiers for watchdog subsystem 2018-03-24 10:19:40 +01:00
bcm63xx_wdt.c watchdog: add SPDX identifiers for watchdog subsystem 2018-03-24 10:19:40 +01:00
bcm2835_wdt.c watchdog: bcm2835_wdt: Fix module autoload 2019-09-06 10:22:02 +02:00
bcm7038_wdt.c watchdog: add SPDX identifiers for watchdog subsystem 2018-03-24 10:19:40 +01:00
bcm_kona_wdt.c watchdog: add SPDX identifiers for watchdog subsystem 2018-03-24 10:19:40 +01:00
booke_wdt.c
cadence_wdt.c watchdog: simplify getting .drvdata 2018-05-21 21:24:40 +02:00
coh901327_wdt.c headers: separate linux/mod_devicetable.h from linux/platform_device.h 2018-07-07 17:52:26 +02:00
cpu5wdt.c treewide: setup_timer() -> timer_setup() 2017-11-21 15:57:07 -08:00
cpwd.c watchdog: cpwd: Convert timers to use timer_setup() 2017-11-02 15:50:26 -07:00
da9052_wdt.c watchdog: add SPDX identifiers for watchdog subsystem 2018-03-24 10:19:40 +01:00
da9055_wdt.c watchdog: add SPDX identifiers for watchdog subsystem 2018-03-24 10:19:40 +01:00
da9062_wdt.c watchdog: da9062: remove unused code 2018-06-06 10:45:33 +02:00
da9063_wdt.c watchdog: da9063: remove duplicated timeout_to_sel calls 2018-06-07 12:41:43 +02:00
davinci_wdt.c headers: separate linux/mod_devicetable.h from linux/platform_device.h 2018-07-07 17:52:26 +02:00
diag288_wdt.c watchdog: constify watchdog_ops and watchdog_info structures 2017-09-09 20:29:53 +02:00
digicolor_wdt.c watchdog: add SPDX identifiers for watchdog subsystem 2018-03-24 10:19:40 +01:00
dw_wdt.c watchdog: dw: save/restore control and timeout across suspend/resume 2018-03-13 19:14:19 +01:00
ebc-c384_wdt.c watchdog: add SPDX identifiers for watchdog subsystem 2018-03-24 10:19:40 +01:00
ep93xx_wdt.c
eurotechwdt.c watchdog: eurotechwdt: mark expected switch fall-through 2017-12-28 20:45:51 +01:00
f71808e_wdt.c watchdog: f71808e_wdt: Fix WD_EN register read 2018-03-10 11:45:07 +01:00
ftwdt010_wdt.c watchdog: ftwdt010: Make interrupt optional 2017-12-28 20:45:02 +01:00
gef_wdt.c
geodewdt.c
gpio_wdt.c watchdog: gpio: change order for setting default timeout 2018-03-03 17:04:15 +01:00
hpwdt.c watchdog: hpwdt: Claim NMIs generated by iLO5 2018-05-21 21:24:42 +02:00
i6300esb.c watchdog: i6300esb: remove info message and version number 2017-12-28 20:45:18 +01:00
ib700wdt.c watchdog: ib700wdt: mark expected switch fall-through 2017-12-28 20:45:52 +01:00
ibmasr.c
ie6xx_wdt.c
imgpdc_wdt.c headers: separate linux/mod_devicetable.h from linux/platform_device.h 2018-07-07 17:52:26 +02:00
imx2_wdt.c watchdog: imx2_wdt: fix min() calculation in imx2_wdt_set_timeout 2019-10-11 18:21:00 +02:00
indydog.c
intel-mid_wdt.c
intel_scu_watchdog.c
intel_scu_watchdog.h
iop_wdt.c
it87_wdt.c watchdog: it87_wdt: constify watchdog_ops structure 2017-09-09 20:06:25 +02:00
it8712f_wdt.c
iTCO_vendor.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
iTCO_vendor_support.c
iTCO_wdt.c watchdog: Revert "iTCO_wdt: all versions count down twice" 2017-09-09 17:41:24 +02:00
ixp4xx_wdt.c
jz4740_wdt.c watchdog: JZ4740: Drop module remove function 2018-05-14 23:58:23 +01:00
Kconfig watchdog: fix compile time error of pretimeout governors 2019-06-15 11:54:06 +02:00
kempld_wdt.c include/linux/compiler*.h: make compiler-*.h mutually exclusive 2018-08-22 17:31:34 -07:00
ks8695_wdt.c
lantiq_wdt.c
loongson1_wdt.c
lpc18xx_wdt.c watchdog: lpc18xx: remove assignment of unused ret-value 2018-03-03 17:04:16 +01:00
m54xx_wdt.c
machzwd.c treewide: Switch DEFINE_TIMER callbacks to struct timer_list * 2017-11-21 15:57:05 -08:00
Makefile watchdog: add driver for the MEN 16z069 IP-Core 2018-08-02 15:57:12 +02:00
max63xx_wdt.c headers: separate linux/mod_devicetable.h from linux/platform_device.h 2018-07-07 17:52:26 +02:00
max77620_wdt.c headers: separate linux/mod_devicetable.h from linux/platform_device.h 2018-07-07 17:52:26 +02:00
mei_wdt.c watchdog: add SPDX identifiers for watchdog subsystem 2018-03-24 10:19:40 +01:00
mena21_wdt.c watchdog: mena21_wdt: Drop unnecessary mutex lock 2018-05-21 21:25:23 +02:00
menf21bmc_wdt.c
menz69_wdt.c watchdog: add driver for the MEN 16z069 IP-Core 2018-08-02 15:57:12 +02:00
meson_gxbb_wdt.c watchdog: meson: Fix the wrong value of left time 2019-12-05 09:19:44 +01:00
meson_wdt.c watchdog: meson: allow setting timeout in devicetree 2018-03-03 17:04:14 +01:00
mixcomwd.c treewide: Switch DEFINE_TIMER callbacks to struct timer_list * 2017-11-21 15:57:05 -08:00
moxart_wdt.c headers: separate linux/mod_devicetable.h from linux/platform_device.h 2018-07-07 17:52:26 +02:00
mpc8xxx_wdt.c watchdog: mpc8xxx: use the core worker function 2017-12-28 20:45:36 +01:00
mt7621_wdt.c watchdog: mt7621_wdt/rt2880_wdt: Fix compilation problem 2019-02-27 10:08:52 +01:00
mtk_wdt.c watchdog: add SPDX identifiers for watchdog subsystem 2018-03-24 10:19:40 +01:00
mtx-1_wdt.c watchdog: add SPDX identifiers for watchdog subsystem 2018-03-24 10:19:40 +01:00
mv64x60_wdt.c
ni903x_wdt.c
nic7018_wdt.c
npcm_wdt.c watchdog: Add Nuvoton NPCM watchdog driver 2018-03-24 10:19:39 +01:00
nuc900_wdt.c treewide: setup_timer() -> timer_setup() 2017-11-21 15:57:07 -08:00
nv_tco.c
nv_tco.h
octeon-wdt-main.c watchdog: octeon-wdt: Add support for 78XX SOCs. 2017-09-04 21:19:03 +02:00
octeon-wdt-nmi.S
of_xilinx_wdt.c watchdog: simplify getting .drvdata 2018-05-21 21:24:40 +02:00
omap_wdt.c headers: separate linux/mod_devicetable.h from linux/platform_device.h 2018-07-07 17:52:26 +02:00
omap_wdt.h
orion_wdt.c watchdog: orion_wdt: Mark watchdog as active when running at probe 2018-08-02 15:57:09 +02:00
pc87413_wdt.c
pcwd.c treewide: setup_timer() -> timer_setup() 2017-11-21 15:57:07 -08:00
pcwd_pci.c watchdog: pcwd_pci: mark expected switch fall-through 2017-12-28 20:45:29 +01:00
pcwd_usb.c watchdog: pcwd_usb: remove unneeded DRIVER_LICENSE #define 2017-12-28 20:45:50 +01:00
pic32-dmt.c
pic32-wdt.c
pika_wdt.c treewide: setup_timer() -> timer_setup() 2017-11-21 15:57:07 -08:00
pnx833x_wdt.c
pnx4008_wdt.c watchdog: pnx4008: make use of timeout-secs provided in devicetree 2018-03-03 17:04:13 +01:00
pretimeout_noop.c
pretimeout_panic.c
qcom-wdt.c watchdog: qcom: Check for platform_get_resource() failure 2017-09-09 20:50:35 +02:00
rave-sp-wdt.c watchdog: Add RAVE SP watchdog driver 2018-01-08 10:08:36 +00:00
rc32434_wdt.c
rdc321x_wdt.c treewide: setup_timer() -> timer_setup() 2017-11-21 15:57:07 -08:00
renesas_wdt.c watchdog: renesas_wdt: stop when unregistering 2019-11-24 08:19:41 +01:00
retu_wdt.c
riowd.c
rn5t618_wdt.c
rt2880_wdt.c watchdog: mt7621_wdt/rt2880_wdt: Fix compilation problem 2019-02-27 10:08:52 +01:00
rtd119x_wdt.c watchdog: Add Realtek RTD1295 2017-12-28 20:44:39 +01:00
rza_wdt.c
s3c2410_wdt.c
sa1100_wdt.c
sama5d4_wdt.c watchdog: sama5d4: fix timeout-sec usage 2019-11-24 08:19:42 +01:00
sb_wdog.c
sbc60xxwdt.c treewide: Switch DEFINE_TIMER callbacks to struct timer_list * 2017-11-21 15:57:05 -08:00
sbc7240_wdt.c
sbc8360.c
sbc_epx_c3.c
sbc_fitpc2_wdt.c
sbsa_gwdt.c watchdog: sbsa: use 32-bit read for WCV 2018-03-03 15:52:32 +01:00
sc520_wdt.c treewide: Switch DEFINE_TIMER callbacks to struct timer_list * 2017-11-21 15:57:05 -08:00
sc1200wdt.c watchdog: sc1200: constify pnp_device_id 2017-09-09 21:14:46 +02:00
sch311x_wdt.c watchdog: sch311x_wdt: Mark expected switch fall-through 2018-04-16 10:22:39 +02:00
scx200_wdt.c
shwdt.c treewide: setup_timer() -> timer_setup() 2017-11-21 15:57:07 -08:00
sirfsoc_wdt.c watchdog: sirfsoc: allow setting timeout in devicetree 2018-03-03 17:04:13 +01:00
smsc37b787_wdt.c
softdog.c
sp805_wdt.c watchdog: sp805: Add clock-frequency property 2018-08-06 17:12:41 +02:00
sp5100_tco.c watchdog: sp5100_tco: Add support for recent FCH versions 2018-01-21 12:56:37 +01:00
sp5100_tco.h watchdog: sp5100_tco: Add support for recent FCH versions 2018-01-21 12:56:37 +01:00
sprd_wdt.c watchdog: sprd_wdt: Remove redundant dev_err call in sprd_wdt_probe() 2018-08-02 15:57:12 +02:00
st_lpc_wdt.c watchdog: add SPDX identifiers for watchdog subsystem 2018-03-24 10:19:40 +01:00
stm32_iwdg.c watchdog: stm32: add pclk feature for stm32mp1 2018-08-02 15:57:09 +02:00
stmp3xxx_rtc_wdt.c watchdog: stmp3xxx: Switch to SPDX identifier 2018-08-02 15:57:11 +02:00
sun4v_wdt.c
sunxi_wdt.c watchdog: sunxi: allow setting timeout in devicetree 2018-03-03 17:04:13 +01:00
tangox_wdt.c headers: separate linux/mod_devicetable.h from linux/platform_device.h 2018-07-07 17:52:26 +02:00
tegra_wdt.c watchdog: add SPDX identifiers for watchdog subsystem 2018-03-24 10:19:40 +01:00
ts72xx_wdt.c watchdog: ts72xx_wdt: constify watchdog_ops structure 2017-09-09 20:06:14 +02:00
ts4800_wdt.c
twl4030_wdt.c
txx9wdt.c
uniphier_wdt.c watchdog: add SPDX identifiers for watchdog subsystem 2018-03-24 10:19:40 +01:00
ux500_wdt.c
via_wdt.c treewide: Switch DEFINE_TIMER callbacks to struct timer_list * 2017-11-21 15:57:05 -08:00
w83627hf_wdt.c watchdog: w83627hf_wdt: Support NCT6796D, NCT6797D, NCT6798D 2019-11-24 08:19:43 +01:00
w83877f_wdt.c treewide: Switch DEFINE_TIMER callbacks to struct timer_list * 2017-11-21 15:57:05 -08:00
w83977f_wdt.c watchdog: w83977f_wdt: Mark expected switch fall-through 2018-04-16 10:22:39 +02:00
wafer5823wdt.c watchdog: wafer5823wdt: Mark expected switch fall-through 2018-04-16 10:22:39 +02:00
watchdog_core.c watchdog: document watchdog_init_timeout() wdd parameter 2017-12-28 20:45:56 +01:00
watchdog_core.h
watchdog_dev.c watchdog: core: fix null pointer dereference when releasing cdev 2019-11-24 08:19:41 +01:00
watchdog_pretimeout.c
watchdog_pretimeout.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
wd501p.h
wdat_wdt.c watchdog: simplify getting .drvdata 2018-05-21 21:24:40 +02:00
wdrtas.c
wdt.c
wdt285.c
wdt977.c
wdt_pci.c watchdog: wdt_pci: mark expected switch fall-through 2017-12-28 20:45:30 +01:00
wm831x_wdt.c watchdog: add SPDX identifiers for watchdog subsystem 2018-03-24 10:19:40 +01:00
wm8350_wdt.c watchdog: add SPDX identifiers for watchdog subsystem 2018-03-24 10:19:40 +01:00
xen_wdt.c watchdog: xen_wdt: remove info message and version number 2017-12-28 20:45:44 +01:00
ziirave_wdt.c watchdog: ziirave: constify i2c_device_id 2017-09-09 21:16:17 +02:00
zx2967_wdt.c watchdog: zx2967: explicitly request exclusive reset control 2017-09-09 20:18:43 +02:00