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path: root/drivers/watchdog/Kconfig
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2019-05-21treewide: Add SPDX license identifier - Makefile/KconfigThomas Gleixner1-0/+1
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 <tglx@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-08watchdog: Enforce that at least one pretimeout governor is enabledGuenter Roeck1-0/+6
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 <rdunlap@infradead.org> Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
2019-05-05watchdog: Improve Kconfig entry ordering and dependenciesGuenter Roeck1-10/+10
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 <linux@roeck-us.net> Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
2019-05-05watchdog: npcm: Enable modular buildsGuenter Roeck1-1/+1
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 <linux@roeck-us.net> Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
2019-05-05watchdog: Make watchdog core configurable as moduleGuenter Roeck1-1/+3
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 <linux@roeck-us.net> Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
2019-05-05watchdog: Move pretimeout governor configuration upGuenter Roeck1-52/+52
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 <linux@roeck-us.net> Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
2019-05-05watchdog: Use depends instead of select for pretimeout governorsGuenter Roeck1-14/+16
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 <linux@roeck-us.net> Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
2019-05-05watchdog: imx_sc: Add i.MX system controller watchdog supportAnson Huang1-0/+16
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 <Anson.Huang@nxp.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>
2019-05-05watchdog: bd70528: Initial support for ROHM BD70528 watchdog blockMatti Vaittinen1-0/+12
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 <matti.vaittinen@fi.rohmeurope.com> Acked-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>
2019-05-05watchdog: fix compile time error of pretimeout governorsVladimir Zapolskiy1-0/+1
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 <hckuo2@illinois.edu> Fixes: ff84136cb6a4 ("watchdog: add watchdog pretimeout governor framework") Signed-off-by: Vladimir Zapolskiy <vz@mleia.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>
2019-03-11Merge tag 'linux-watchdog-5.1-rc1' of ↵Linus Torvalds1-4/+21
git://www.linux-watchdog.org/linux-watchdog 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
2019-03-02watchdog: mlx-wdt: introduce a watchdog driver for Mellanox systems.Michael Shych1-0/+16
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 <michaelsh@mellanox.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>
2019-03-02watchdog/hpwdt: Update Kconfig documentationJerry Hoemann1-4/+5
Update documentation relating to HPWDT_NMI_DECODING to reflect its current usage. Signed-off-by: Jerry Hoemann <jerry.hoemann@hpe.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>
2019-01-16watchdog: stpmic1: Add STPMIC1 watchdog driverPascal PAILLET-LME1-0/+12
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 <p.paillet@st.com> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2018-12-24watchdog: tqmx86: Add watchdog driver for the IO controllerAndrew Lunn1-0/+12
Some TQ-Systems ComExpress modules have an IO controller with a watchdog timer. Signed-off-by: Andrew Lunn <andrew@lunn.ch> 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>
2018-12-22watchdog: Add pm8916 watchdog driverLoic Poulain1-0/+8
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 <loic.poulain@linaro.org> 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>
2018-11-17watchdog: npcm: Modify npcm watchdog kconfig arch parameterTomer Maimon1-1/+1
Modify Nuvoton watchdog Kconfig default supported architecture name to ARCH_NPCM7XX because ARCH_NPCM750 architecture name is not supported. Signed-off-by: Tomer Maimon <tmaimon77@gmail.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>
2018-10-13watchdog: Add support for Armada 37xx CPU watchdogMarek Behún1-0/+11
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 <marek.behun@nic.cz> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Tested-by: Miquel Raynal <miquel.raynal@bootlin.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
2018-10-02watchdog: lantiq: Convert to watchdog_deviceHauke Mehrtens1-0/+1
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 <hauke@hauke-m.de> 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>
2018-08-06watchdog: fix dependencies of menz69_wdt.oJohannes Thumshirn1-1/+1
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 <jthumshirn@suse.de> Reported-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
2018-08-02watchdog: add driver for the MEN 16z069 IP-CoreJohannes Thumshirn1-0/+10
Add a driver for the MEN 16z069 Watchdog and Reset Controller IP-Core. Signed-off-by: Johannes Thumshirn <jthumshirn@suse.de> Reviewed-by: Michael Moese <mmoese@suse.de> 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>
2018-04-14Merge tag 'linux-watchdog-4.17-rc1' of ↵Linus Torvalds1-0/+12
git://www.linux-watchdog.org/linux-watchdog 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. ...
2018-04-05Merge tag 'gpio-v4.17-1' of ↵Linus Torvalds1-1/+2
git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio 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 <linux/gpio/driver.h> and not the too broad <linux/gpio.h> 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 ...
2018-03-26watchdog: remove bfin_wdt driverArnd Bergmann1-13/+0
The blackfin architecture is getting removed, so this driver has become obsolete. Acked-by: Guenter Roeck <linux@roeck-us.net> Acked-by: Aaron Wu <aaron.wu@analog.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2018-03-26treewide: simplify Kconfig dependencies for removed archsArnd Bergmann1-6/+0
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 <kvalo@codeaurora.org> Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2018-03-24watchdog: Add Nuvoton NPCM watchdog driverJoel Stanley1-0/+11
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 <joel@jms.id.au> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2018-03-18Merge tag 'v4.16-rc5' into develLinus Walleij1-0/+4
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 <linus.walleij@linaro.org>
2018-03-08Merge tag 'metag_remove_2' of ↵Arnd Bergmann1-1/+1
ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/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>
2018-03-05watchdog: imgpdc: Drop METAG dependencyJames Hogan1-1/+1
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 <jhogan@kernel.org> Acked-by: Guenter Roeck <linux@roeck-us.net> Cc: Wim Van Sebroeck <wim@linux-watchdog.org> Cc: linux-watchdog@vger.kernel.org Cc: linux-metag@vger.kernel.org
2018-03-03watchdog: hpwdt: Modify to use watchdog core.Jerry Hoemann1-0/+1
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_device Update Kconfig file to show that hpwdt now selects WATCHDOG_CORE. Signed-off-by: Jerry Hoemann <jerry.hoemann@hpe.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2018-02-22watchdog: Change ISA_BUS_API dependency to selectionWilliam Breathitt Gray1-1/+2
The ISA_BUS_API Kconfig option enables the compilation of the ISA bus driver. The ISA bus driver does not perform any hardware interaction, and is instead just a thin layer of software abstraction to eliminate boilerplate code common to ISA-style device drivers. Since ISA_BUS_API has no dependencies and does not jeopardize the integrity of the system when enabled, drivers should select it when the ISA bus driver functionality is needed. Cc: Wim Van Sebroeck <wim@iguana.be> Acked-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: William Breathitt Gray <vilhelm.gray@gmail.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2018-02-19watchdog: sp5100_tco.c: fix potential build failureWim Van Sebroeck1-0/+1
isp5100_tco.c uses watchdog core functions (from watchdog_core.c) and, when compiled without CONFIG_WATCHDOG_CORE being set, it produces the following build error: ERROR: "devm_watchdog_register_device" [drivers/watchdog/sp5100_tco.ko] undefined! ERROR: "watchdog_init_timeout" [drivers/watchdog/sp5100_tco.ko] undefined! Fix this by selecting CONFIG_WATCHDOG_CORE. Fixes: 7cd9d5fff792 ("watchdog: sp5100_tco: Convert to use watchdog subsystem") Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2018-02-19watchdog: xen_wdt: fix potential build failureRadu Rendec1-0/+1
xen_wdt uses watchdog core functions (from watchdog_core.c) and, when compiled without CONFIG_WATCHDOG_CORE being set, it produces the following build error: ERROR: "devm_watchdog_register_device" [drivers/watchdog/xen_wdt.ko] undefined! ERROR: "watchdog_init_timeout" [drivers/watchdog/xen_wdt.ko] undefined! Fix this by selecting CONFIG_WATCHDOG_CORE when CONFIG_XEN_WDT is set. Fixes: 18cffd68e0c4 ("watchdog: xen_wdt: use the watchdog subsystem") Signed-off-by: Radu Rendec <radu.rendec@gmail.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@iguana.be>
2018-02-19watchdog: i6300esb: fix build failureMatteo Croce1-0/+1
i6300esb uses fuctions defined in watchdog_core.c, and when CONFIG_WATCHDOG_CORE is not set we have this build error: drivers/watchdog/i6300esb.o: In function `esb_remove': i6300esb.c:(.text+0xcc): undefined reference to `watchdog_unregister_device' drivers/watchdog/i6300esb.o: In function `esb_probe': i6300esb.c:(.text+0x2a1): undefined reference to `watchdog_init_timeout' i6300esb.c:(.text+0x388): undefined reference to `watchdog_register_device' make: *** [Makefile:1029: vmlinux] Error 1 Fix this by selecting CONFIG_WATCHDOG_CORE when I6300ESB_WDT is set. Fixes: 7af4ac8772a8f ("watchdog: i6300esb: use the watchdog subsystem") Signed-off-by: Matteo Croce <mcroce@redhat.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@iguana.be>
2018-02-19watchdog: rave-sp: add NVMEM dependencyArnd Bergmann1-0/+1
We can build this driver with or without NVMEM, but not built-in when NVMEM is a loadable module: drivers/watchdog/rave-sp-wdt.o: In function `rave_sp_wdt_probe': rave-sp-wdt.c:(.text+0x27c): undefined reference to `nvmem_cell_get' rave-sp-wdt.c:(.text+0x290): undefined reference to `nvmem_cell_read' rave-sp-wdt.c:(.text+0x2c4): undefined reference to `nvmem_cell_put' This adds a Kconfig dependency to enforce that. Fixes: c3bb33345721 ("watchdog: Add RAVE SP watchdog driver") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2018-02-07Merge tag 'linux-watchdog-4.16-rc1' of ↵Linus Torvalds1-15/+26
git://www.linux-watchdog.org/linux-watchdog Pull watchdog updates from Wim Van Sebroeck: - new watchdog device drivers for Realtek RTD1295 and Spreadtrum SC9860 platform - add support for the following devices: jz4780 SoC, AST25xx series SoC and r8a77970 SoC - convert to watchdog framework: i6300esb_wdt, xen_wdt and sp5100_tco - several fixes for watchdog core - remove at32ap700x and obsolete documentation - gpio: Convert to use GPIO descriptors - rename gemini into FTWDT010 as this IP block is generc from Faraday Technology - various clean-ups and small bugfixes - add Guenter Roeck as co-maintainer - change maintainers e-mail address * tag 'linux-watchdog-4.16-rc1' of git://www.linux-watchdog.org/linux-watchdog: (74 commits) documentation: watchdog: remove documentation of w83697hf_wdt/w83697ug_wdt documentation: watchdog: remove documentation for ixp2000 documentation: watchdog: remove documentation of at32ap700x_wdt watchdog: remove at32ap700x_wdt watchdog: sp5100_tco: Add support for recent FCH versions watchdog: sp5100-tco: Abort if watchdog is disabled by hardware watchdog: sp5100_tco: Use bit operations watchdog: sp5100_tco: Convert to use watchdog subsystem watchdog: sp5100_tco: Clean up function and variable names watchdog: sp5100_tco: Use dev_ print functions where possible watchdog: sp5100_tco: Match PCI device early watchdog: sp5100_tco: Clean up sp5100_tco_setupdevice watchdog: sp5100_tco: Use standard error codes watchdog: sp5100_tco: Use request_muxed_region where possible watchdog: sp5100_tco: Fix watchdog disable bit watchdog: sp5100_tco: Always use SP5100_IO_PM_{INDEX_REG,DATA_REG} watchdog: core: make sure the watchdog_worker is not deferred watchdog: mt7621: switch to using managed devm_watchdog_register_device() watchdog: mt7621: set WDOG_HW_RUNNING bit when appropriate watchdog: imx2_wdt: restore previous timeout after suspend+resume ...
2018-01-21watchdog: remove at32ap700x_wdtCorentin Labbe1-9/+0
Since AVR32 is gone, this driver is useless. Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com> Acked-by: Hans-Christian Noren Egtvedt <egtvedt@samfundet.no> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2018-01-08watchdog: Add RAVE SP watchdog driverAndrey Smirnov1-0/+7
This driver provides access to RAVE SP watchdog functionality. Acked-by: Philippe Ombredanne <pombredanne@nexb.com> Acked-by: Pavel Machek <pavel@ucw.cz> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Nikita Yushchenko <nikita.yoush@cogentembedded.com> Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2017-12-28watchdog: Add Spreadtrum watchdog driverEric Long1-0/+8
This patch adds the watchdog driver for Spreadtrum SC9860 platform. Signed-off-by: Eric Long <eric.long@spreadtrum.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@iguana.be>
2017-12-28watchdog: gemini/ftwdt010: rename driver and symbolsLinus Walleij1-6/+8
This renames all the driver files and symbols for the Gemini watchdog to FTWDT010 as it has been revealed that this IP block is a generic watchdog timer from Faraday Technology used in several SoC designs. Select this driver by default for the Gemini, it is a sensible driver to always have enabled. Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2017-12-28watchdog: aspeed: Remove specific reference to AST2400 in KconfigAndrew Jeffery1-1/+1
The driver also supports the watchdog in the AST25xx series, and may work on earlier SoCs as well. Signed-off-by: Andrew Jeffery <andrew@aj.id.au> Reviewed-by: Joel Stanley <joel@jms.id.au> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2017-12-28watchdog: aspeed: Fix 'Apseed' typo in KconfigAndrew Jeffery1-1/+1
Apseed sounds like a good name for a web/mobile start-up incubator, but isn't a reflection of Aspeed themselves. Signed-off-by: Andrew Jeffery <andrew@aj.id.au> Reviewed-by: Joel Stanley <joel@jms.id.au> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2017-12-28watchdog: Add Realtek RTD1295Andreas Färber1-0/+10
Add a watchdog driver for the Realtek RTD1295 SoC. Based on QNAP's arch/arm/mach-rtk119x/driver/rtk_watchdog.c code and mach-rtk119x/driver/dc2vo/fpga/include/iso_reg.h register defines. Signed-off-by: Andreas Färber <afaerber@suse.de> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2017-12-17watchdog: indydog: Add dependency on SGI_HAS_INDYDOGMatt Redfearn1-1/+1
Commit da2a68b3eb47 ("watchdog: Enable COMPILE_TEST where possible") enabled building the Indy watchdog driver when COMPILE_TEST is enabled. However, the driver makes reference to symbols that are only defined for certain platforms are selected in the config. These platforms select SGI_HAS_INDYDOG. Without this, link time errors result, for example when building a MIPS allyesconfig. drivers/watchdog/indydog.o: In function `indydog_write': indydog.c:(.text+0x18): undefined reference to `sgimc' indydog.c:(.text+0x1c): undefined reference to `sgimc' drivers/watchdog/indydog.o: In function `indydog_start': indydog.c:(.text+0x54): undefined reference to `sgimc' indydog.c:(.text+0x58): undefined reference to `sgimc' drivers/watchdog/indydog.o: In function `indydog_stop': indydog.c:(.text+0xa4): undefined reference to `sgimc' drivers/watchdog/indydog.o:indydog.c:(.text+0xa8): more undefined references to `sgimc' follow make: *** [Makefile:1005: vmlinux] Error 1 Fix this by ensuring that CONFIG_INDIDOG can only be selected when the necessary dependent platform symbols are built in. Fixes: da2a68b3eb47 ("watchdog: Enable COMPILE_TEST where possible") Signed-off-by: Matt Redfearn <matt.redfearn@mips.com> Cc: <stable@vger.kernel.org> # 4.11 + Signed-off-by: Ralf Baechle <ralf@linux-mips.org> Suggested-by: James Hogan <james.hogan@mips.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@iguana.be>
2017-11-09watchdog: jz4780: Allow selection of jz4740-wdt driverMathieu Malaterre1-1/+1
This driver works for jz4740 & jz4780. Suggested-by: Maarten ter Huurne <maarten@treewalker.org> Signed-off-by: Mathieu Malaterre <malat@debian.org> Acked-by: Guenter Roeck <linux@roeck-us.net> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Wim Van Sebroeck <wim@iguana.be> Cc: Paul Cercueil <paul@crapouillou.net> Cc: linux-mips@linux-mips.org Cc: linux-watchdog@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/17251/ Signed-off-by: James Hogan <jhogan@kernel.org>
2017-07-11Merge git://www.linux-watchdog.org/linux-watchdogLinus Torvalds1-9/+52
Pull watchdog updates from Wim Van Sebroeck: - Add Renesas RZ/A WDT Watchdog driver - STM32 Independent WatchDoG (IWDG) support - UniPhier watchdog support - Add F71868 support - Add support for NCT6793D and NCT6795D - dw_wdt: add reset lines support - core: add option to avoid early handling of watchdog - core: introduce watchdog_worker_should_ping helper - Cleanups and improvements for sama5d4, intel-mid_wdt, s3c2410_wdt, orion_wdt, gpio_wdt, it87_wdt, meson_wdt, davinci_wdt, bcm47xx_wdt, zx2967_wdt, cadence_wdt * git://www.linux-watchdog.org/linux-watchdog: (32 commits) watchdog: introduce watchdog_worker_should_ping helper watchdog: uniphier: add UniPhier watchdog driver dt-bindings: watchdog: add description for UniPhier WDT controller watchdog: cadence_wdt: make of_device_ids const. watchdog: zx2967: constify zx2967_wdt_ops. watchdog: bcm47xx_wdt: constify bcm47xx_wdt_hard_ops and bcm47xx_wdt_soft_ops watchdog: davinci: Add missing clk_disable_unprepare(). watchdog: davinci: Handle return value of clk_prepare_enable watchdog: meson: Handle return value of clk_prepare_enable watchdog: it87: Add support for various Super-IO chips watchdog: it87: Use infrastructure to stop watchdog on reboot watchdog: it87: Drop support for resetting watchdog though CIR and Game port watchdog: it87: Convert to use watchdog core infrastructure watchdog: it87: Drop FSF mailing address watchdog: dw_wdt: get reset lines from dt watchdog: bindings: dw_wdt: add reset lines watchdog: w83627hf: Add support for NCT6793D and NCT6795D watchdog: core: add option to avoid early handling of watchdog watchdog: f71808e_wdt: Add F71868 support watchdog: Add STM32 IWDG driver ...
2017-07-03watchdog: uniphier: add UniPhier watchdog driverKeiji Hayashibara1-0/+12
Add a watchdog driver for Socionext UniPhier series SoC. Note that the timeout value for this device must be a power of 2 because of the specification. Signed-off-by: Keiji Hayashibara <hayashibara.keiji@socionext.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@iguana.be>
2017-07-03watchdog: it87: Add support for various Super-IO chipsGuenter Roeck1-3/+4
Add support for IT8607, IT8622, IT8625, IT8628, IT8655, IT8665, and IT8686. Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2017-07-03watchdog: it87: Drop support for resetting watchdog though CIR and Game portGuenter Roeck1-3/+0
Resetting the watchdog timer on CIR interrupts or on game port interrupts is not not supported on recent chips, and doesn't really tell if the system is stable. On top of that, at least the bit to enable resetting the watchdog through the game port is used differently on recent chips. Drop resetting the watchdog on CIR or game port interrupts to simplify the code. Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2017-07-03watchdog: it87: Convert to use watchdog core infrastructureGuenter Roeck1-0/+1
Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-23 10:00:08 +0300