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2013-03-01watchdog: at91sam9_wdt: Convert to use the watchdog frameworkWenyou Yang2-119/+43
According to Documentation/watchdog/convert_drivers_to_kernel_api.txt, remove the file_operations struct, miscdevice, and obsolete includes Since the at91sam watchdog inherent characteristics, add the watchdog operations: at91wdt_start, at91wdt_stop and at91wdt_ping. Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com> Signed-off-by: Wim Van Sebroeck <wim@iguana.be> Cc: linux-watchdog@vger.kernel.org Cc: linux-kernel@vger.kernel.org
2013-03-01watchdog: omap_wdt: Add option nowayoutPali Rohár1-1/+5
Like other watchdog drivers, this patch adds new option nowayout which overwrite WATCHDOG_NOWAYOUT. Signed-off-by: Pali Rohar <pali.rohar@gmail.com> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2013-03-01watchdog: core: dt: add support for the timeout-sec dt propertyFabio Porcedda4-12/+80
Add support for watchdog drivers to initialize/set the timeout field of the watchdog_device structure. The timeout field is initialised either with the module timeout parameter value (if valid) or with the timeout-sec dt property (if valid). If both are invalid the initial value is unchanged. Signed-off-by: Fabio Porcedda <fabio.porcedda@gmail.com> Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2013-03-01watchdog: bcm47xx_wdt.c: add hard timerHauke Mehrtens1-6/+63
The more recent devices have a watchdog timer which could be configured for over 2 hours and not just 2 seconds like the first generation devices. For those devices do not use the extra software timer, but directly program the time into the register. This will automatically be used if the timer supports more than a minute. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2013-03-01watchdog: bcm47xx_wdt.c: rename wdt_time to timeoutHauke Mehrtens1-4/+4
Rename wdt_time to timeout to name it like the other watchdog driver do it. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2013-03-01watchdog: bcm47xx_wdt.c: rename ops methodsHauke Mehrtens1-18/+18
Rename the methods registered to struct watchdog_ops bcm47xx_wdt_ops in order to add an other struct watchdog_ops using different ops in the next patch. Also rename WDT_MAX_TIME to WDT_SOFTTIMER_MAX. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2013-03-01watchdog: bcm47xx_wdt.c: use platform deviceHauke Mehrtens2-78/+87
Instead of accessing the function to set the watchdog timer directly, register a platform driver the platform could register to use this watchdog driver. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2013-03-01watchdog: bcm47xx_wdt.c: convert to watchdog core apiHauke Mehrtens2-130/+23
Convert the bcm47xx_wdt.c driver to the new watchdog core api. The nowayout parameter is now added unconditionally to the module. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2013-03-01watchdog: Convert BookE watchdog driver to watchdog infrastructureGuenter Roeck2-120/+66
Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2013-03-01watchdog: s3c2410_wdt: Use devm_* functionsJingoo Han1-33/+9
Use devm_* functions to make cleanup paths more simple. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2013-03-01watchdog: remove old STMP3xxx driverWolfram Sang3-298/+0
Now that the new driver is in place, we can remove the old one. Signed-off-by: Wolfram Sang <w.sang@pengutronix.de> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2013-03-01watchdog: add new driver for STMP3xxx and i.MX23/28Wolfram Sang3-0/+122
Replace the existing STMP3xxx driver because it has enough drawbacks that a rewrite is apropriate. The new driver is designed to use the watchdog framework which makes it a lot smaller and avoids open coding the watchdog API again. It also uses now an explicitly exported function from the RTC driver to set up its registers (the old driver silently reused the hopefully(!) already remapped RTC registers). Also, this driver is mach independent, while the old one depends on a mach replaced by another one a year ago. Since the user interface is still the standard watchdog API, users don't need to adapt. Signed-off-by: Wolfram Sang <w.sang@pengutronix.de> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2013-03-01rtc: stmp3xxx: add wdt-accessor functionWolfram Sang2-0/+79
This RTC also includes a watchdog timer. Provide an accessor function for setting the watchdog timeout value which will be picked up by a watchdog driver. Also register the platform_device for the watchdog here to get the boot-time dependencies right. Signed-off-by: Wolfram Sang <w.sang@pengutronix.de> Acked-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2013-03-01watchdog: introduce retu_wdt driverAaro Koskinen3-0/+191
Introduce Retu watchdog driver. Cc: linux-watchdog@vger.kernel.org Acked-by: Felipe Balbi <balbi@ti.com> Acked-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2013-03-01watchdog: intel_scu_watchdog: fix Kconfig dependencyWim Van Sebroeck1-1/+1
Kernel symbol X86_MRST has been removed from the kernel. INTEL_SCU_WATCHDOG driver can never be compiled due dependence of X86_MRST which remained in the drivers/watchdog/Kconfig. Reported-by: Alexander Shiyan <shc_work@mail.ru> Cc: Alan Cox <alan@linux.intel.com> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2013-03-01watchdog: orion_wdt: Add platform aliasLubomir Rintel1-0/+1
...so that it's automatically picked up on relevant platforms. Tested on Kirkwood-based GuruPlug. Signed-off-by: Lubomir Rintel <lkundrak@v3.sk> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2013-03-01watchdog: ath79_wdt: add device tree matchingGabor Juhos2-0/+24
Cc: Grant Likely <grant.likely@secretlab.ca> Cc: devicetree-discuss@lists.ozlabs.org Signed-off-by: Gabor Juhos <juhosg@openwrt.org> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2013-03-01watchdog: ath79_wdt: get register base from platform device's resourcesGabor Juhos2-11/+47
The ath79_wdt driver uses a fixed memory address currently. Although this is working with each currently supported SoCs, but this may change in the future. Additionally, the driver includes platform specific header files in order to be able to get the memory base of the watchdog device. The patch adds a memory resource to the platform device, and converts the driver to get the base address of the watchdog device from that. Signed-off-by: Gabor Juhos <juhosg@openwrt.org> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2013-03-01MIPS: ath79: use dynamically allocated watchdog deviceGabor Juhos1-6/+1
Remove the static watchdog device variable and use the 'platform_device_register_simple' helper to allocate and register the device in one step. This allows us to save a few bytes in the kernel image. Signed-off-by: Gabor Juhos <juhosg@openwrt.org> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2013-03-01watchdog: ath79_wdt: convert to use devm_clk_getGabor Juhos1-5/+2
Use the managed version of clk_get. This allows to simplify the probe/remove functions a bit. Signed-off-by: Gabor Juhos <juhosg@openwrt.org> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2013-03-01watchdog: sp5100_tco: Write back the original value to reserved bits, instead of zeroTakahisa Tanaka1-20/+8
In case of SP5100 or SB7x0 chipsets, the sp5100_tco module writes zero to reserved bits. The module, however, shouldn't depend on specific default value, and should perform a read-merge-write operation for the reserved bits. This patch makes the sp5100_tco module perform a read-merge-write operation on all the chipset (sp5100, sb7x0, sb8x0 or later). Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=43176 Signed-off-by: Takahisa Tanaka <mc74hc00@gmail.com> Tested-by: Paul Menzel <paulepanter@users.sourceforge.net> Signed-off-by: Wim Van Sebroeck <wim@iguana.be> Cc: stable <stable@vger.kernel.org>
2013-03-01watchdog: sp5100_tco: Fix wrong indirect I/O access for getting value of reserved bitsTakahisa Tanaka1-2/+3
In case of SB800 or later chipset and re-programming MMIO address(*), sp5100_tco module may read incorrect value of reserved bit, because the module reads a value from an incorrect I/O address. However, this bug doesn't cause a problem, because when re-programming MMIO address, by chance the module writes zero (this is BIOS's default value) to the low three bits of register. * In most cases, PC with SB8x0 or later chipset doesn't need to re-programming MMIO address, because such PC can enable AcpiMmio and can use 0xfed80b00 for watchdog register base address. This patch fixes this bug. Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=43176 Signed-off-by: Takahisa Tanaka <mc74hc00@gmail.com> Tested-by: Paul Menzel <paulepanter@users.sourceforge.net> Signed-off-by: Wim Van Sebroeck <wim@iguana.be> Cc: stable <stable@vger.kernel.org>
2013-03-01watchdog: gef_wdt.c: add missing remove callbackDevendra Naga1-0/+1
this module missed a remove callback in the platform ops. Signed-off-by: Devendra Naga <devendra.aaru@gmail.com> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2013-03-01watchdog: at91sam9: at91_wdt_dt_ids cannot be __initArnd Bergmann1-1/+1
The device IDs are referenced by the driver and potentially used beyond the init time, as kbuild correctly warns about. Remove the __initconst annotation. Without this patch, building at91_dt_defconfig results in: WARNING: drivers/watchdog/built-in.o(.data+0x28): Section mismatch in reference from the variable at91wdt_driver to the (unknown reference) .init.rodata:(unknown) The variable at91wdt_driver references the (unknown reference) __initconst (unknown) Signed-off-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com> Tested-by: Fabio Porcedda <fabio.porcedda@gmail.com> Signed-off-by: Wim Van Sebroeck <wim@iguana.be> Cc: linux-watchdog@vger.kernel.org
2013-03-01watchdog: da9055_wdt needs to select WATCHDOG_CORERandy Dunlap1-0/+1
DA9055_WATCHDOG (introduced in v3.8) needs to select WATCHDOG_CORE so that it will build cleanly. Fixes these build errors: da9055_wdt.c:(.text+0xe9bc7): undefined reference to `watchdog_unregister_device' da9055_wdt.c:(.text+0xe9f4b): undefined reference to `watchdog_register_device' Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Cc: David Dajun Chen <dchen@diasemi.com> Signed-off-by: Wim Van Sebroeck <wim@iguana.be> Cc: linux-watchdog@vger.kernel.org Cc: stable <stable@vger.kernel.org>
2013-02-28Fix mis-merge of intel_powerclamp.c resulting in compile errorLinus Torvalds1-0/+1
The new intel_powerclamp thermal cooling device driver was merged in commit 2af78448fff6 (Pull thermal management updates from Zhang Rui) without any data conflicts. But there was a more subtle conflict I missed: the driver uses MAX_USER_RT_PRIO, but commit 8bd75c77b7c6 ("sched/rt: Move rt specific bits into new header file") had moved that define from <linux/sched.h> to <linux/sched/rt.h>. Which caused this build failure: drivers/thermal/intel_powerclamp.c: In function ‘clamp_thread’: drivers/thermal/intel_powerclamp.c:360:21: error: ‘MAX_USER_RT_PRIO’ undeclared (first use in this function) drivers/thermal/intel_powerclamp.c:360:21: note: each undeclared identifier is reported only once for each function it appears in And because I don't do a full "make allmodconfig" build after each pull, I didn't notice until too late. So now the fix is here, separately from the merge commit. Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-02-28arm: mvebu: enable the SD card slot on Armada 370 Reference Design boardFlorian Fainelli1-0/+7
The Armada 370 Reference Design board has one SD card slot, directly connected to the SDIO IP of the SoC, so we enable this IP. there are no GPIOs for card-detect and write-protect so we do not specify any. Signed-off-by: Florian Fainelli <florian@openwrt.org> Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2013-02-28ARM: kirkwood: topkick: init mvsdio via DTJason Cooper2-6/+7
Signed-off-by: Jason Cooper <jason@lakedaemon.net> Tested-by: Andrew Lunn <andrew@lunn.ch>
2013-02-28ARM: kirkwood: nsa310: convert to pinctrlJason Cooper4-35/+99
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2013-02-28ARM: Kirkwood: topkick: Enable i2c bus.Andrew Lunn1-1/+6
Add a DT node for I2C and pinctrl hog for the pins. There appears to be an i2c bus on topkick with a device on it: i2cdetect 0 WARNING! This program can confuse your I2C bus, cause data loss and worse! I will probe file /dev/i2c-0. I will probe address range 0x03-0x77. Continue? [Y/n] y 0 1 2 3 4 5 6 7 8 9 a b c d e f 00: -- -- -- -- -- -- -- -- -- -- -- -- -- 10: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 20: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 30: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 40: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 50: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 60: -- -- -- -- 64 -- -- -- -- -- -- -- -- -- -- -- 70: -- -- -- -- -- -- -- -- Signed-off-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2013-02-28ARM: kirkwood: topkick: convert to pinctrlJason Cooper2-42/+90
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2013-02-28ARM: dove: convert serial DT nodes to clocks propertySebastian Hesselbarth1-4/+4
of_serial now has support for using clocks property and we have a DT clock provider. This patch replaces the hard coded clock-frequency property with a clocks phandle to tclk. Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2013-02-28arm: mvebu: Add SPI flash on Armada 370 DB boardGregory CLEMENT1-0/+12
This patch add support for the SPI flash MX25l25635E which is present on the Armada 370 DB board. This flash stores the bootloader and its environment. Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com> Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2013-02-28arm: mvebu: Add SPI flash on Armada XP-DB boardGregory CLEMENT1-0/+12
This patch add support for the SPI flash M25P64 which is present on the Armada XP DB board. This flash stores the bootloader and its environment. Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com> Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2013-02-28arm: mvebu: Add SPI flash on Armada XP-GP boardEzequiel Garcia1-0/+12
This patch adds an SPI master device node for Armada XP-GP board. This master node is an SPI flash controller 'n25q128a13'. Since there is no 'partitions' node declared, one full sized partition named as the device will be created. Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Cc: Lior Amsalem <alior@marvell.com> Tested-by: Gregory Clement <gregory.clement@free-electrons.com> Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com> Acked-by: Gregory Clement <gregory.clement@free-electrons.com> Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2013-02-28arm: mvebu: Add support for SPI controller in Armada 370/XPEzequiel Garcia1-0/+21
The Armada 370 and Armada XP SoC has an SPI controller. This patch adds support for this controller in Armada 370 and Armada XP SoC common device tree files. Note that the Armada XP SPI register length is 0x50 bytes, while Armada 370 SPI register length is 0x28 bytes, so we choose the smaller of the two. Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Cc: Lior Amsalem <alior@marvell.com> Acked-by: Gregory Clement <gregory.clement@free-electrons.com> Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com> Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2013-02-28clocksource: update and move armada-370-xp-timer documentation to timer directoryGregory CLEMENT1-4/+7
Timer driver for Armada 370 and Armada XP have gained local timers support. So it needs new resources information regarding the IRQs and the registers. Also move the documentation in the new and more accurate directory Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com> Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2013-02-28arm: mvebu: update DT to support local timersGregory CLEMENT1-2/+3
Now that the time-armada-370-xp support local timers, updated the device tree to take it into account. Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com> Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2013-02-28ARM: Dove: convert usb host controller to DTSebastian Hesselbarth2-10/+16
With DT support for orion-ehci also convert Dove to it and remove the legacy calls and clock aliases. This patch is based on "ARM: Dove: split legacy and DT setup" applied to mvebu/boards recently. Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2013-02-28arm: mvebu: Enable USB controllers on Armada 370/XP boardsEzequiel Garcia4-0/+34
This patch activates every USB port provided by each SoC. Except for Armada XP Openblocks AX3-4 board, where we enable only the first two USB ports until we have more information on the third one usage. Cc: Lior Amsalem <alior@marvell.com> Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Cc: Gregory CLEMENT <gregory.clement@free-electrons.com> Tested-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org> Tested-by: Florian Fainelli <florian@openwrt.org> Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com> Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2013-02-28arm: mvebu: Add support for USB host controllers in Armada 370/XPEzequiel Garcia3-0/+41
The Armada 370 and Armada XP SoC has an Orion EHCI USB controller. This patch adds support for this controller in Armada 370 and Armada XP SoC common device tree files. Cc: Lior Amsalem <alior@marvell.com> Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Tested-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org> Tested-by: Florian Fainelli <florian@openwrt.org> Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com> Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com> Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2013-02-28arm: mvebu: add button for OpenBlocks AX3-4Thomas Petazzoni1-0/+12
The OpenBlocks AX3-4 board has one software-controlled button on the front side, labeled "INIT", so we add minimal support for this button in the kernel. Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2013-02-28ARM: Kirkwood: Convert NS2 to gpio-poweroff.Andrew Lunn2-14/+6
Remove C code and add a Device Tree node in its place. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Tested-by: Simon Guinot <simon.guinot@sequanux.org> Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2013-02-28ARM: Kirkwood: Convert NSA310 I2C to device treeAndrew Lunn2-6/+5
Add a sub-node into the I2C node to represent the adt7476 device. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2013-02-28ARM: Kirkwood: Convert NSA310 to use gpio-poweroff driverAndrew Lunn2-33/+5
Remove the C code and add a Device Tree node for gpio-poweroff. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2013-02-28ARM: Kirkwood: Convert NSA310 to DT based regulators.Andrew Lunn2-4/+17
Signed-off-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2013-02-28ARM: Dove: add fixed regulator for CuBox USB powerSebastian Hesselbarth2-1/+26
CuBox needs to enable USB power on a gpio pin. Add a fixed regulator to always enable usb power on boot. Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2013-02-28ARM: Dove: move CuBox led pinctrl to gpio-leds nodeSebastian Hesselbarth1-1/+4
gpio-leds has support for pinctrl allocation, make use of it. Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2013-02-28ARM: Kirkwood: Convert openblocks A6 board to pinctrlNobuhiro Iwamatsu2-44/+116
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org> Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2013-02-28ARM: Kirkwood: Add pinctrl of NAND to 88f6282Nobuhiro Iwamatsu1-0/+6
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org> Signed-off-by: Jason Cooper <jason@lakedaemon.net>
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