01 Feb, 2020
1 commit
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[ Upstream commit da9e3f4e30a53cd420cf1e6961c3b4110f0f21f0 ]
max77620_wdt uses watchdog core functions. Enable CONFIG_WATCHDOG_CORE
to fix potential build errors.Signed-off-by: David Engraf
Reviewed-by: Guenter Roeck
Link: https://lore.kernel.org/r/20191127084617.16937-1-david.engraf@sysgo.com
Signed-off-by: Guenter Roeck
Signed-off-by: Wim Van Sebroeck
Signed-off-by: Sasha Levin
09 Jan, 2020
1 commit
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commit 9a6c274ac1c4346f5384f2290caeb42dc674c471 upstream.
If TQMX86_WDT is y and WATCHDOG_CORE is m, building fails:
drivers/watchdog/tqmx86_wdt.o: In function `tqmx86_wdt_probe':
tqmx86_wdt.c:(.text+0x46e): undefined reference to `watchdog_init_timeout'
tqmx86_wdt.c:(.text+0x4e0): undefined reference to `devm_watchdog_register_device'Select WATCHDOG_CORE to fix this.
Reported-by: Hulk Robot
Fixes: e3c21e088f89 ("watchdog: tqmx86: Add watchdog driver for the IO controller")
Signed-off-by: YueHaibing
Reviewed-by: Guenter Roeck
Link: https://lore.kernel.org/r/20191206124259.25880-1-yuehaibing@huawei.com
Signed-off-by: Guenter Roeck
Signed-off-by: Wim Van Sebroeck
Signed-off-by: Greg Kroah-Hartman
17 Sep, 2019
5 commits
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This adds watchdog support for the Fintek F81803 Super I/O chip.
Testing was done on the Seneca XK-QUAD.
Signed-off-by: Jaret Cantu
Reviewed-by: Guenter Roeck
Link: https://lore.kernel.org/r/20190912175550.9340-1-jaret.cantu@timesys.com
Signed-off-by: Guenter Roeck
Signed-off-by: Wim Van Sebroeck -
The i.MX7ULP Watchdog Timer (WDOG) module is an independent timer
that is available for system use.
It provides a safety feature to ensure that software is executing
as planned and that the CPU is not stuck in an infinite loop or
executing unintended code. If the WDOG module is not serviced
(refreshed) within a certain period, it resets the MCU.Add driver support for i.MX7ULP watchdog.
Signed-off-by: Anson Huang
Reviewed-by: Guenter Roeck
Link: https://lore.kernel.org/r/1566999303-18795-2-git-send-email-Anson.Huang@nxp.com
Signed-off-by: Guenter Roeck
Signed-off-by: Wim Van Sebroeck -
The ARM w90x900 platform is getting removed, so this driver is obsolete
Signed-off-by: Arnd Bergmann
Acked-by: Guenter Roeck
Link: https://lore.kernel.org/r/20190809202749.742267-7-arnd@arndb.de
Signed-off-by: Guenter Roeck
Signed-off-by: Wim Van Sebroeck -
The platform is getting removed, so there are no remaining
users of this driver.Signed-off-by: Arnd Bergmann
Acked-by: Guenter Roeck
Link: https://lore.kernel.org/r/20190809202749.742267-5-arnd@arndb.de
Signed-off-by: Guenter Roeck
Signed-off-by: Wim Van Sebroeck -
The only thing that prevents building this driver on other
platforms is the mach/hardware.h include, which is not actually
used here at all, so remove the line and allow CONFIG_COMPILE_TEST.Acked-by: Sylvain Lemieux
Reviewed-by: Guenter Roeck
Signed-off-by: Arnd Bergmann
Link: https://lore.kernel.org/r/20190809144043.476786-4-arnd@arndb.de
Signed-off-by: Guenter Roeck
Signed-off-by: Wim Van Sebroeck
09 Jul, 2019
3 commits
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Convert those documents and prepare them to be part of the kernel
API book, as most of the stuff there are related to the
Kernel interfaces.Still, in the future, it would make sense to split the docs,
as some of the stuff is clearly focused on sysadmin tasks.The conversion is actually:
- add blank lines and identation in order to identify paragraphs;
- fix tables markups;
- add some lists markups;
- mark literal blocks;
- adjust title markups.At its new index.rst, let's add a :orphan: while this is not linked to
the main index.rst file, in order to avoid build warnings.Signed-off-by: Mauro Carvalho Chehab
Reviewed-by: Guenter Roeck
Signed-off-by: Guenter Roeck
Signed-off-by: Wim Van Sebroeck -
This allows setting a default value for the watchdog.open_timeout
commandline parameter via Kconfig.Some BSPs allow remote updating of the kernel image and root file
system, but updating the bootloader requires physical access. Hence, if
one has a firmware update that requires relaxing the
watchdog.open_timeout a little, the value used must be baked into the
kernel image itself and cannot come from the u-boot environment via the
kernel command line.Being able to set the initial value in .config doesn't change the fact
that the value on the command line, if present, takes precedence, and is
of course immensely useful for development purposes while one has
console acccess, as well as usable in the cases where one can make a
permanent update of the kernel command line.Signed-off-by: Rasmus Villemoes
Reviewed-by: Guenter Roeck
Signed-off-by: Guenter Roeck
Signed-off-by: Wim Van Sebroeck -
i.MX system controller watchdog can support pretimeout IRQ
via general SCU MU IRQ, it depends on IMX_SCU and driver MUST
be probed after SCU IPC ready, then enable corresponding SCU
IRQ group and register SCU IRQ notifier, when watchdog pretimeout
IRQ fires, SCU MU IRQ will be handled and watchdog pretimeout
notifier will be called to handle the event.Signed-off-by: Anson Huang
Reviewed-by: Guenter Roeck
Signed-off-by: Guenter Roeck
Signed-off-by: Wim Van Sebroeck
21 May, 2019
1 commit
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Add SPDX license identifiers to all Make/Kconfig files which:
- Have no license information of any form
These files fall under the project license, GPL v2 only. The resulting SPDX
license identifier is:GPL-2.0-only
Signed-off-by: Thomas Gleixner
Signed-off-by: Greg Kroah-Hartman
08 May, 2019
1 commit
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Since commit "watchdog: Use depends instead of select for pretimeout
governors", it was possible to enable pretimeout governors but keep all
of them disabled. Doing this results in the following build failure.../drivers/watchdog/watchdog_pretimeout.c:
In function ‘watchdog_register_governor’:
../drivers/watchdog/watchdog_pretimeout.c:139:26: error:
‘WATCHDOG_PRETIMEOUT_DEFAULT_GOV’ undeclared
if (!strncmp(gov->name, WATCHDOG_PRETIMEOUT_DEFAULT_GOV,Since it does not make sense to enable pretimeout support but disable
all pretimeout governors, enforce that at least one of them is always
enabled.Fixes: f627ac0e12cd ("watchdog: Use depends instead of select for pretimeout governors")
Reported-by: Randy Dunlap
Signed-off-by: Guenter Roeck
Signed-off-by: Wim Van Sebroeck
06 May, 2019
8 commits
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HPWDT_NMI_DECODING depends on HP_WATCHDOG and should be next to it.
This helps menuconfig identify HPWDT_NMI_DECODING as depending on
HP_WATCHDOG.BCM_KONA_WDT_DEBUG depends on BCM_KONA_WDT which depends on COMPILE_TEST.
Enabling BCM_KONA_WDT_DEBUG without BCM_KONA_WDT does not make sense,
so drop the COMPILE_TEST dependency from it. This also improves
menuconfig, which now properly associates BCM_KONA_WDT_DEBUG with
BCM_KONA_WDT.Signed-off-by: Guenter Roeck
Signed-off-by: Wim Van Sebroeck -
Most of the NPCM7XX drivers can be built as modules.
The NPCM7XX watchdog driver code supports building it as
module, but its configuration option is set to bool.
Make itr tristate to actually support modular builds.
This improves consistency with other drivers for the
same platform and enables including the driver in multi-
platform configurations.Signed-off-by: Guenter Roeck
Signed-off-by: Wim Van Sebroeck -
Under some circumstances it may be desirable to configure
the watchdog core as module. Enable it.As part of this change, mark pretimeout governors as depending
on the watchdog core. This is necessary to prevent governors
from being built into the kernel if the watchdog core is built
as module.Signed-off-by: Guenter Roeck
Signed-off-by: Wim Van Sebroeck -
Watchdog pretimeout configuration was at the end of the Kconfig
file, after individual watchdog drivers, and thus easy to miss.
Move it right after basic watchdog option declarations.Signed-off-by: Guenter Roeck
Signed-off-by: Wim Van Sebroeck -
Watchdog pretimeout governors were enabled from the default governor
selection using "select". As a result, the default governor was always
built into the kernel, even if no watchdog driver was loaded. By using
"depends on" instead of "select", we are in better control, and the
governors can all be built as modules. At the same time, set the default
configuration option for pretimeout governors to match WATCHDOG_CORE
(meaning all pretimeout governors are by default enabled if pretimeout
support is enabled).The practical impact of this change is minimal. Previously, selecting
a default governor automatically enabled that governor. Now, a default
governor can only be selected if that governor has been enabled.
Consequently, the order of governor selection is now reversed: The
governor selection is now first, followed by default governor selection.Signed-off-by: Guenter Roeck
Signed-off-by: Wim Van Sebroeck -
i.MX8QXP is an ARMv8 SoC which has a Cortex-M4 system controller
inside, the system controller is in charge of controlling power,
clock and watchdog etc..This patch adds i.MX system controller watchdog driver support,
watchdog operation needs to be done in secure EL3 mode via
ARM-Trusted-Firmware, using SMC call, CPU will trap into
ARM-Trusted-Firmware and then it will request system controller
to do watchdog operation via IPC.Signed-off-by: Anson Huang
Reviewed-by: Guenter Roeck
Signed-off-by: Guenter Roeck
Signed-off-by: Wim Van Sebroeck -
Initial support for watchdog block included in ROHM BD70528
power management IC.Configurations for low power states are still to be checked.
Signed-off-by: Matti Vaittinen
Acked-by: Guenter Roeck
Signed-off-by: Guenter Roeck
Signed-off-by: Wim Van Sebroeck -
CONFIG_WATCHDOG_PRETIMEOUT_GOV build symbol adds watchdog_pretimeout.o
object to watchdog.o, the latter is compiled only if CONFIG_WATCHDOG_CORE
is selected, so it rightfully makes sense to add it as a dependency.The change fixes the next compilation errors, if CONFIG_WATCHDOG_CORE=n
and CONFIG_WATCHDOG_PRETIMEOUT_GOV=y are selected:drivers/watchdog/pretimeout_noop.o: In function `watchdog_gov_noop_register':
drivers/watchdog/pretimeout_noop.c:35: undefined reference to `watchdog_register_governor'
drivers/watchdog/pretimeout_noop.o: In function `watchdog_gov_noop_unregister':
drivers/watchdog/pretimeout_noop.c:40: undefined reference to `watchdog_unregister_governor'drivers/watchdog/pretimeout_panic.o: In function `watchdog_gov_panic_register':
drivers/watchdog/pretimeout_panic.c:35: undefined reference to `watchdog_register_governor'
drivers/watchdog/pretimeout_panic.o: In function `watchdog_gov_panic_unregister':
drivers/watchdog/pretimeout_panic.c:40: undefined reference to `watchdog_unregister_governor'Reported-by: Kuo, Hsuan-Chi
Fixes: ff84136cb6a4 ("watchdog: add watchdog pretimeout governor framework")
Signed-off-by: Vladimir Zapolskiy
Reviewed-by: Guenter Roeck
Signed-off-by: Guenter Roeck
Signed-off-by: Wim Van Sebroeck
12 Mar, 2019
1 commit
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Pull watchdog updates from Wim Van Sebroeck:
- a new watchdog driver for the Mellanox systems
- renesas-wdt: Document r8a77470 support
- numerous 'Mark expected switch fall-throughs'
- qcom: Add suspend/resume support
- some small fixes and documentation updates
* tag 'linux-watchdog-5.1-rc1' of git://www.linux-watchdog.org/linux-watchdog:
watchdog: w83877f_wdt: Mark expected switch fall-through
watchdog: sc520_wdt: Mark expected switch fall-through
watchdog: sbc60xxwdt: Mark expected switch fall-through
watchdog: smsc37b787_wdt: Mark expected switch fall-through
watchdog: sc1200: Mark expected switch fall-through
watchdog: pc87413: Mark expected switch fall-through
Documentation/watchdog: Add documentation mlx-wdt driver
watchdog: mlx-wdt: introduce a watchdog driver for Mellanox systems.
platform_data/mlxreg: additions for Mellanox watchdog driver.
watchdog: Update sysfs documentation.
watchdog: dw: remove useless pr_fmt
watchdog: pika_wdt: drop pointless static qualifier in pikawdt_init
watchdog/hpwdt: Update Kconfig documentation
dt-bindings: watchdog: renesas-wdt: Document r8a77470 support
watchdog: qcom: Add suspend/resume support
02 Mar, 2019
2 commits
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Introduce watchdog driver for a various range of Mellanox Ethernet and
Infiniband switch systems.Watchdog driver for Mellanox watchdog devices, implemented in
programmable logic device.Main and auxiliary watchdog devices can exist on the same system.
There are several actions that can be defined in the watchdog:
system reset, start fans on full speed and increase a counter.
The last 2 actions are performed without a system reset.
Actions without reset are provided for auxiliary watchdog devices,
which is optional.
Access to HW registers is performed through generic
regmap interface.There are 2 types of HW watchdog implementations.
Type 1: actual HW timeout can be defined as power of 2 msec.
e.g. timeout 20 sec will be rounded up to 32768 msec.;
maximum timeout period is 32 sec (32768 msec.);
get time-left isn't supported
Type 2: actual HW timeout is defined in sec. and it's the same as
user-defined timeout;
maximum timeout is 255 sec;
get time-left is supported;Watchdog driver is probed from the common mlx_platform driver.
Signed-off-by: Michael Shych
Reviewed-by: Guenter Roeck
Signed-off-by: Guenter Roeck
Signed-off-by: Wim Van Sebroeck -
Update documentation relating to HPWDT_NMI_DECODING to reflect its
current usage.Signed-off-by: Jerry Hoemann
Reviewed-by: Guenter Roeck
Signed-off-by: Guenter Roeck
Signed-off-by: Wim Van Sebroeck
16 Jan, 2019
1 commit
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The STPMIC1 PMIC embeds a watchdog which is disabled by default. As soon
as the watchdog is started, it must be refreshed periodically otherwise
the PMIC goes off.Signed-off-by: Pascal Paillet
Reviewed-by: Guenter Roeck
Signed-off-by: Lee Jones
24 Dec, 2018
1 commit
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Some TQ-Systems ComExpress modules have an IO controller with a
watchdog timer.Signed-off-by: Andrew Lunn
Reviewed-by: Guenter Roeck
Signed-off-by: Guenter Roeck
Signed-off-by: Wim Van Sebroeck
22 Dec, 2018
1 commit
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The PM816 module is a versatile PMIC with many diverse functions
integrated, including, a watchdog.
This watchdog is subcomponent of the PON (Power On) peripheral,
in the same way as pwrkey/resin buttons.
It works with two timers (2-stages), the first one generates an
IRQ to the main SoC (APQ8016/MSM8916), the second one performs
the reset.This driver expects the following device hierarchy:
[pm8916]->[pm8916-pon]->[pm8916-wdt]It uses the pm8916 regmap to access PM8916 registers.
Signed-off-by: Loic Poulain
Reviewed-by: Guenter Roeck
Signed-off-by: Guenter Roeck
Signed-off-by: Wim Van Sebroeck
17 Nov, 2018
1 commit
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Modify Nuvoton watchdog Kconfig default supported architecture
name to ARCH_NPCM7XX because ARCH_NPCM750 architecture name
is not supported.Signed-off-by: Tomer Maimon
Reviewed-by: Guenter Roeck
Signed-off-by: Guenter Roeck
Signed-off-by: Wim Van Sebroeck
13 Oct, 2018
1 commit
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This adds support for the CPU watchdog found on Marvell Armada 37xx
SoCs.There are 4 counters which can be set as CPU watchdog counters.
This driver uses the second counter (ID 1, counting from 0) as watchdog
counter, and first counter (ID 0) to implement pinging on the second
counter without the need to disable it.Since counters IDs 2 and 3 are enabled already before even U-Boot
starts, this driver does not use them at all, for example by adding a
device tree property for counter selection.Signed-off-by: Marek Behún
Reviewed-by: Guenter Roeck
Tested-by: Miquel Raynal
Signed-off-by: Guenter Roeck
Signed-off-by: Wim Van Sebroeck
02 Oct, 2018
1 commit
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Instead of doing the ioctl handling manually just use register a
watchdog_device and let the watchdog framework do the ioctl handling.This also removes the ltq_wdt_bootstatus_set typedef and replaces it
with a structure providing the chip specific functions pointer.
The watchdog_init_timeout() function is now used and the initial timeout
can be provided in device tree.
If the watchdog was already activated it will not be stopped any more,
but the settings from the driver will be used and the watchdog subsystem
will take care.Signed-off-by: Hauke Mehrtens
Reviewed-by: Guenter Roeck
Signed-off-by: Guenter Roeck
Signed-off-by: Wim Van Sebroeck
06 Aug, 2018
1 commit
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Currently menz69_wdt.ko has a dependency on MCB or COMPILE_TEST. But
it actually needs symbols exported by MCB so the || COMPILE_TEST is
wrong.Signed-off-by: Johannes Thumshirn
Reported-by: Randy Dunlap
Signed-off-by: Guenter Roeck
Signed-off-by: Wim Van Sebroeck
02 Aug, 2018
1 commit
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Add a driver for the MEN 16z069 Watchdog and Reset Controller IP-Core.
Signed-off-by: Johannes Thumshirn
Reviewed-by: Michael Moese
Reviewed-by: Guenter Roeck
Signed-off-by: Guenter Roeck
Signed-off-by: Wim Van Sebroeck
14 Apr, 2018
1 commit
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Pull watchdog updates from Wim Van Sebroeck:
- Add Nuvoton NPCM watchdog driver
- renesas_wdt: Add R-Car Gen2 support
- renesas_wdt: add suspend/resume and restart handler support
- hpwdt: convert to watchdog core and improve NMI
- improve timeout setting/handling in various drivers
- coh901327: make license text and module licence match
- fix error handling in asm9260_wdt, sprd_wdt and davinci_wdt
- aspeed imrovements
- dw improvements (for control register & suspend/resume)
- add SPDX identifiers for watchdog subsystem
* tag 'linux-watchdog-4.17-rc1' of git://www.linux-watchdog.org/linux-watchdog: (35 commits)
watchdog: davinci_wdt: fix error handling in davinci_wdt_probe()
watchdog: add SPDX identifiers for watchdog subsystem
watchdog: aspeed: Allow configuring for alternate boot
watchdog: Add Nuvoton NPCM watchdog driver
dt-bindings: watchdog: Add Nuvoton NPCM description
watchdog: dw: save/restore control and timeout across suspend/resume
watchdog: dw: RMW the control register
watchdog: sprd_wdt: Fix error handling in sprd_wdt_enable()
watchdog: aspeed: Fix translation of reset mode to ctrl register
watchdog: renesas_wdt: Add restart handler
watchdog: renesas_wdt: Add R-Car Gen2 support
watchdog: renesas_wdt: Add suspend/resume support
watchdog: f71808e_wdt: Fix WD_EN register read
watchdog: hpwdt: Update driver version.
watchdog: hpwdt: Add dynamic debug
watchdog: hpwdt: Programable Pretimeout NMI
watchdog: hpwdt: remove allow_kdump module parameter.
watchdog: hpwdt: condition early return of NMI handler on iLO5
watchdog: hpwdt: Modify to use watchdog core.
watchdog: hpwdt: Update nmi_panic message.
...
06 Apr, 2018
1 commit
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Pull GPIO updates from Linus Walleij:
"This is the bulk of GPIO changes for the v4.17 kernel cycle:New drivers:
- Nintendo Wii GameCube GPIO, known as "Hollywood"
- Raspberry Pi mailbox service GPIO expander
- Spreadtrum main SC9860 SoC and IEC GPIO controllers.
Improvements:
- Implemented .get_multiple() callback for most of the
high-performance industrial GPIO cards for the ISA bus.- ISA GPIO drivers now select the ISA_BUS_API instead of depending on
it. This is merged with the same pattern for all the ISA drivers
and some other Kconfig cleanups related to this.Cleanup:
- Delete the TZ1090 GPIO drivers following the deletion of this SoC
from the ARM tree.- Move the documentation over to driver-api to conform with the rest
of the kernel documentation build.- Continue to make the GPIO drivers include only
and not the too broad that we
want to get rid of.- Managed to remove VLA allocation from two drivers pending more
fixes in this area for the next merge window.- Misc janitorial fixes"
* tag 'gpio-v4.17-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (77 commits)
gpio: Add Spreadtrum PMIC EIC driver support
gpio: Add Spreadtrum EIC driver support
dt-bindings: gpio: Add Spreadtrum EIC controller documentation
gpio: ath79: Fix potential NULL dereference in ath79_gpio_probe()
pinctrl: qcom: Don't allow protected pins to be requested
gpiolib: Support 'gpio-reserved-ranges' property
gpiolib: Change bitmap allocation to kmalloc_array
gpiolib: Extract mask allocation into subroutine
dt-bindings: gpio: Add a gpio-reserved-ranges property
gpio: mockup: fix a potential crash when creating debugfs entries
gpio: pca953x: add compatibility for pcal6524 and pcal9555a
gpio: dwapb: Add support for a bus clock
gpio: Remove VLA from xra1403 driver
gpio: Remove VLA from MAX3191X driver
gpio: ws16c48: Implement get_multiple callback
gpio: gpio-mm: Implement get_multiple callback
gpio: 104-idi-48: Implement get_multiple callback
gpio: 104-dio-48e: Implement get_multiple callback
gpio: pcie-idio-24: Implement get_multiple/set_multiple callbacks
gpio: pci-idio-16: Implement get_multiple callback
...
26 Mar, 2018
2 commits
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The blackfin architecture is getting removed, so this driver has
become obsolete.Acked-by: Guenter Roeck
Acked-by: Aaron Wu
Signed-off-by: Arnd Bergmann -
A lot of Kconfig symbols have architecture specific dependencies.
In those cases that depend on architectures we have already removed,
they can be omitted.Acked-by: Kalle Valo
Acked-by: Alexandre Belloni
Signed-off-by: Arnd Bergmann
24 Mar, 2018
1 commit
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The Nuvoton NPCM750 has a watchdog implemented as a single register
inside the timer peripheral.This driver exposes that watchdog as a standard watchdog device with
coarse timeout intervals, limited by the combination of prescaler and
counter that is provided by the hardware. The calculation is taken from
the Nuvoton vendor tree.The watchdog is left running if a bootloader had it going. The rate is
the one specified in the device tree, or the default value (obtained
from the datasheet).There is a pre-timeout IRQ that is wired up. This timeout always occurs
1024 clocks before the timeout.Signed-off-by: Joel Stanley
Reviewed-by: Guenter Roeck
Signed-off-by: Guenter Roeck
Signed-off-by: Wim Van Sebroeck
19 Mar, 2018
1 commit
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Linux 4.16-rc5 merged into the GPIO devel branch to resolve
a nasty conflict between fixes and devel in the RCAR driver.Signed-off-by: Linus Walleij
08 Mar, 2018
1 commit
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…/jhogan/metag into asm-generic
Remove metag architecture
These patches remove the metag architecture and tightly dependent
drivers from the kernel. With the 4.16 kernel the ancient gcc 4.2.4
based metag toolchain we have been using is hitting compiler bugs, so
now seems a good time to drop it altogether.* tag 'metag_remove_2' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/jhogan/metag:
i2c: img-scb: Drop METAG dependency
media: img-ir: Drop METAG dependency
watchdog: imgpdc: Drop METAG dependency
MAINTAINERS/CREDITS: Drop METAG ARCHITECTURE
tty: Remove metag DA TTY and console driver
clocksource: Remove metag generic timer driver
irqchip: Remove metag irqchip drivers
Drop a bunch of metag references
docs: Remove remaining references to metag
docs: Remove metag docs
metag: Remove arch/metag/Signed-off-by: Arnd Bergmann <arnd@arndb.de>
06 Mar, 2018
1 commit
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Now that arch/metag/ has been removed, remove the METAG dependency from
the IMG IR device driver. The hardware is also present on MIPS SoCs so
the driver still has value.Signed-off-by: James Hogan
Acked-by: Guenter Roeck
Cc: Wim Van Sebroeck
Cc: linux-watchdog@vger.kernel.org
Cc: linux-metag@vger.kernel.org
04 Mar, 2018
1 commit
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Follow Documentation/watchdog/convert_drivers_to_kernel_api.txt to
convert hpwdt from legacy watchdog driver to use the watchdog core.Removed functions: hpwdt_open, hpwdt_release, hpwdt_write, hpwdt_ioctl
Removed data structures: hpwdt_fops, hpwdt_miscdev, watchdog_device
Modified functions: hpwdt_start, hpwdt_stop, hpwdt_ping, hpwdt_gettimeleft
Added functions: hpwdt_settimeout
Added structures: watchdog_deviceUpdate Kconfig file to show that hpwdt now selects WATCHDOG_CORE.
Signed-off-by: Jerry Hoemann
Signed-off-by: Guenter Roeck
Signed-off-by: Wim Van Sebroeck