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path: root/drivers/watchdog/asm9260_wdt.c (follow)
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* watchdog: asm9260_wdt: don't round closest with get_timeleftWolfram Sang2017-09-091-1/+1
| | | | | | | | | | We should never return more time left than there actually is. So, switch to a plain divider instead of DIV_ROUND_CLOSEST. Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.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>
* watchdog: asm9260: explicitly request exclusive reset controlPhilipp Zabel2017-09-091-1/+1
| | | | | | | | | | | | | | | | Commit a53e35db70d1 ("reset: Ensure drivers are explicit when requesting reset lines") started to transition the reset control request API calls to explicitly state whether the driver needs exclusive or shared reset control behavior. Convert all drivers requesting exclusive resets to the explicit API call so the temporary transition helpers can be removed. No functional changes. Cc: linux-watchdog@vger.kernel.org Signed-off-by: Philipp Zabel <p.zabel@pengutronix.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>
* watchdog: constify watchdog_ops structuresBhumika Goyal2017-02-241-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Declare watchdog_ops structures as const as they are only stored in the ops field of a watchdog_device structure. This field is of type const, so watchdog_ops structures having this property can be made const too. Done using Coccinelle: @r disable optional_qualifier@ identifier x; position p; @@ static struct watchdog_ops x@p={...}; @ok@ struct watchdog_device w; identifier r.x; position p; @@ w.ops=&x@p; @bad@ position p != {r.p,ok.p}; identifier r.x; @@ x@p @depends on !bad disable optional_qualifier@ identifier r.x; @@ +const struct watchdog_ops x; File size details before and after patching. First line of every .o file shows the file size before patching and second line shows the size after patching. text data bss dec hex filename 1340 544 0 1884 75c drivers/watchdog/bcm_kona_wdt.o 1436 440 0 1876 754 drivers/watchdog/bcm_kona_wdt.o 1176 544 4 1724 6bc drivers/watchdog/digicolor_wdt.o 1272 440 4 1716 6b4 drivers/watchdog/digicolor_wdt.o 925 580 89 1594 63a drivers/watchdog/ep93xx_wdt.o 1021 476 89 1586 632 drivers/watchdog/ep93xx_wdt.o 4932 288 17 5237 1475 drivers/watchdog/s3c2410_wdt.o 5028 192 17 5237 1475 drivers/watchdog/s3c2410_wdt.o 1977 292 1 2270 8de drivers/watchdog/sama5d4_wdt.o 2073 196 1 2270 8de drivers/watchdog/sama5d4_wdt.o 1375 484 1 1860 744 drivers/watchdog/sirfsoc_wdt.o 1471 380 1 1852 73c drivers/watchdog/sirfsoc_wdt.o Size remains the same for the files drivers/watchdog/diag288_wdt.o drivers/watchdog/asm9260_wdt.o and drivers/watchdog/atlas7_wdt.o The following .o files did not compile: drivers/watchdog/sun4v_wdt.o, drivers/watchdog/sbsa_gwdt.o, drivers/watchdog/rt2880_wdt.o, drivers/watchdog/booke_wdt.o drivers/watchdog/mt7621_wdt.o Signed-off-by: Bhumika Goyal <bhumirks@gmail.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
* watchdog: asm9260_wdt: Use watchdog core to install restart handlerGuenter Roeck2017-02-241-15/+7
| | | | | | | Use the infrastructure provided by the watchdog core to install the restart handler. Signed-off-by: Guenter Roeck <linux@roeck-us.net>
* watchdog-asm9260: Delete owner assignmentMarkus Elfring2016-09-231-1/+0
| | | | | | | | | | The field "owner" is set by core. Thus delete an extra initialisation. Generated by: scripts/coccinelle/api/platform_no_drv_owner.cocci Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> 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>
* watchdog: asm9260: remove __init and __exit annotationsArnd Bergmann2016-01-111-4/+4
| | | | | | | | | | | | | | | | The probe and release functions in this driver are marked as __init and __exit, but this is wrong as indicated by this Kbuild error message: WARNING: vmlinux.o(.data+0x1d2308): Section mismatch in reference from the variable asm9260_wdt_driver to the function .init.text:asm9260_wdt_probe() This removes the annotations, to make the sysfs unbind attribute and deferred probing work. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Fixes: aae03dc98177 ("watchdog: add Alphascale asm9260-wdt driver") Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
* watchdog: add Alphascale asm9260-wdt driverOleksij Rempel2015-12-281-0/+403
Add WD support for Alphascale asm9260 SoC. This driver provide support for different function modes: - HW mode to trigger SoC reset on timeout - SW mode do soft reset if needed - DEBUG mode Signed-off-by: Oleksij Rempel <linux@rempel-privat.de> Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>