- 05 May, 2019 40 commits
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Wolfram Sang authored
The function is not easy to read and has a problem: -EINVAL is returned when the module parameter is invalid but the DT parameter is OK. Refactor the code to have the same pattern of checks for the module parameter and DT. Further ones can be easily added in the future if the need arises. The above mentioned problem is fixed, too. Some documentation is added to describe the different handlings of '0' for the module parameter and the DT property. Reviewed-by:
Guenter Roeck <linux@roeck-us.net> Signed-off-by:
Wolfram Sang <wsa+renesas@sang-engineering.com> Signed-off-by:
Wim Van Sebroeck <wim@linux-watchdog.org>
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Wolfram Sang authored
If we want to match all revisions, it is enough to leave the field empty. Signed-off-by:
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Wolfram Sang authored
And make sure the final obtained value gets properly scaled. Remove two empty lines to group the initialization blocks while we are here. Signed-off-by:
Steve Twiss <stwiss.opensource@diasemi.com> Reviewed-by:
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Colin Ian King authored
There is a spelling mistake in a pr_debug message. Fix it. Signed-off-by:
Colin Ian King <colin.king@canonical.com> Reviewed-by:
Mukesh Ojha <mojha@codeaurora.org> Reviewed-by:
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Alexandre Belloni authored
Readout the enabled state so it is possible to get the pre-userspace handler working. Also, avoid disabling the watchdog to ensure it continues working and triggers if there is an issue later in the boot or if userspace fails to start. Signed-off-by:
Alexandre Belloni <alexandre.belloni@bootlin.com> Tested-by:
Gregory CLEMENT <gregory.clement@bootlin.com> Reviewed-by:
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Gustavo A. R. Silva authored
In preparation to enabling -Wimplicit-fallthrough, mark switch cases where we are expecting to fall through. This patch fixes the following warnings: drivers/watchdog/machzwd.c: In function ‘zf_set_timer’: ./arch/x86/include/asm/io.h:355:14: warning: this statement may fall through [-Wimplicit-fallthrough=] #define outw outw drivers/watchdog/machzwd.c:80:53: note: in expansion of macro ‘outw’ #define zf_writew(port, data) { outb(port, INDEX); outw(data, DATA_W); } ^~~~ drivers/watchdog/machzwd.c:179:3: note: in expansion of macro ‘zf_writew’ zf_writew(COUNTER_1, new); ^~~~~~~~~ drivers/watchdog/machzwd.c:180:2: note: here case WD2: ^~~~ Warning level 3 was used: -Wimplicit-fallthrough=3 This patch is part of the ongoing efforts to enable -Wimplicit-fallthrough. Signed-off-by:Gustavo A. R. Silva <gustavo@embeddedor.com> Reviewed-by:
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Guenter Roeck authored
Use device managed functions to simplify error handling, reduce source code size, improve readability, and reduce the likelyhood of bugs. Other improvements as listed below. The conversion was done automatically with coccinelle using the following semantic patches. The semantic patches and the scripts used to generate this commit log are available at https://github.com/groeck/coccinelle-patches - Drop empty remove function - Use devm_add_action_or_reset() for calls to clk_disable_unprepare - Introduce local variable 'struct device *dev' and use it instead of dereferencing it repeatedly - Use devm_watchdog_register_driver() to register watchdog device Cc: Vladimir Zapolskiy <vz@mleia.com> Cc: Sylvain Lemieux <slemieux.tyco@gmail.com> Signed-off-by:
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Guenter Roeck authored
Use device managed functions to simplify error handling, reduce source code size, improve readability, and reduce the likelyhood of bugs. Other improvements as listed below. The conversion was done automatically with coccinelle using the following semantic patches. The semantic patches and the scripts used to generate this commit log are available at https://github.com/groeck/coccinelle-patches - Drop assignments to otherwise unused variables - Drop empty remove function This also drops the inaccurate message on remove; the driver won't be removed if the hardware watchdog is running, no matter if the watchdog device is open or not. - Use local variable 'struct device *dev' consistently - Use devm_watchdog_register_driver() to register watchdog device Signed-off-by:
Christophe Leroy <christophe.leroy@c-s.fr> Signed-off-by:
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Guenter Roeck authored
Introduce local variable 'struct device *dev' and use it instead of dereferencing it repeatedly. Also, there is no call to dev_get_drvdata() or platform_get_drvdata() in the driver, so drop the unnecessary call to platform_set_drvdata(). The conversion was done automatically with coccinelle using the following semantic patches. The semantic patches and the scripts used to generate this commit log are available at https://github.com/groeck/coccinelle-patchesSigned-off-by:
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Guenter Roeck authored
Use device managed functions to simplify error handling, reduce source code size, improve readability, and reduce the likelyhood of bugs. Other improvements as listed below. The conversion was done automatically with coccinelle using the following semantic patches. The semantic patches and the scripts used to generate this commit log are available at https://github.com/groeck/coccinelle-patches - Drop empty remove function - Introduce local variable 'struct device *dev' and use it instead of dereferencing it repeatedly - Use devm_watchdog_register_driver() to register watchdog device - Replace shutdown function with call to watchdog_stop_on_reboot() Signed-off-by:
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Guenter Roeck authored
Introduce local variable 'struct device *dev' and use it instead of dereferencing it repeatedly. The conversion was done automatically with coccinelle using the following semantic patches. The semantic patches and the scripts used to generate this commit log are available at https://github.com/groeck/coccinelle-patches Cc: Matthias Brugger <matthias.bgg@gmail.com> Signed-off-by:
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Guenter Roeck authored
Use device managed functions to simplify error handling, reduce source code size, improve readability, and reduce the likelyhood of bugs. Other improvements as listed below. The conversion was done automatically with coccinelle using the following semantic patches. The semantic patches and the scripts used to generate this commit log are available at https://github.com/groeck/coccinelle-patches - Drop assignments to otherwise unused variables - Drop unnecessary braces around conditional return statements - Drop empty remove function - Use devm_add_action_or_reset() for calls to clk_disable_unprepare - Introduce local variable 'struct device *dev' and use it instead of dereferencing it repeatedly - Use devm_watchdog_register_driver() to register watchdog device Cc: Keguang Zhang <keguang.zhang@gmail.com> Signed-off-by:
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Guenter Roeck authored
Use device managed functions to simplify error handling, reduce source code size, improve readability, and reduce the likelyhood of bugs. Other improvements as listed below. The conversion was done automatically with coccinelle using the following semantic patches. The semantic patches and the scripts used to generate this commit log are available at https://github.com/groeck/coccinelle-patches - Drop assignments to otherwise unused variables - Drop empty remove function - Use devm_add_action_or_reset() for calls to clk_disable_unprepare - Introduce local variable 'struct device *dev' and use it instead of dereferencing it repeatedly - Use devm_watchdog_register_driver() to register watchdog device Signed-off-by:
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Guenter Roeck authored
Use device managed functions to simplify error handling, reduce source code size, improve readability, and reduce the likelyhood of bugs. Other improvements as listed below. The conversion was done automatically with coccinelle using the following semantic patches. The semantic patches and the scripts used to generate this commit log are available at https://github.com/groeck/coccinelle-patches - Drop assignments to otherwise unused variables - Drop empty remove function - Use devm_add_action_or_reset() for calls to clk_disable_unprepare - Introduce local variable 'struct device *dev' and use it instead of dereferencing it repeatedly - Use devm_watchdog_register_driver() to register watchdog device Signed-off-by:
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Guenter Roeck authored
Use device managed functions to simplify error handling, reduce source code size, improve readability, and reduce the likelyhood of bugs. Other improvements as listed below. The conversion was done automatically with coccinelle using the following semantic patches. The semantic patches and the scripts used to generate this commit log are available at https://github.com/groeck/coccinelle-patches - Drop empty remove function - Introduce local variable 'struct device *dev' and use it instead of dereferencing it repeatedly - Use devm_watchdog_register_driver() to register watchdog device Signed-off-by:
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Guenter Roeck authored
Use device managed functions to simplify error handling, reduce source code size, improve readability, and reduce the likelyhood of bugs. Other improvements as listed below. The conversion was done automatically with coccinelle using the following semantic patches. The semantic patches and the scripts used to generate this commit log are available at https://github.com/groeck/coccinelle-patches - Drop assignments to otherwise unused variables - Drop empty remove function - Use devm_add_action_or_reset() for calls to clk_disable_unprepare - Introduce local variable 'struct device *dev' and use it instead of dereferencing it repeatedly - Use devm_watchdog_register_driver() to register watchdog device Cc: Maxime Coquelin <mcoquelin.stm32@gmail.com> Cc: Alexandre Torgue <alexandre.torgue@st.com> Signed-off-by:
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Guenter Roeck authored
Use device managed functions to simplify error handling, reduce source code size, improve readability, and reduce the likelyhood of bugs. Other improvements as listed below. The conversion was done automatically with coccinelle using the following semantic patches. The semantic patches and the scripts used to generate this commit log are available at https://github.com/groeck/coccinelle-patches - Drop assignments to otherwise unused variables - Drop empty remove function - Use devm_add_action_or_reset() for calls to clk_disable_unprepare - Use local variable 'struct device *dev' consistently - Use devm_watchdog_register_driver() to register watchdog device Cc: Jun Nie <jun.nie@linaro.org> Cc: Shawn Guo <shawnguo@kernel.org> Signed-off-by:
Shawn Guo <shawnguo@kernel.org> Signed-off-by:
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Guenter Roeck authored
Use device managed functions to simplify error handling, reduce source code size, improve readability, and reduce the likelyhood of bugs. Other improvements as listed below. The conversion was done automatically with coccinelle using the following semantic patches. The semantic patches and the scripts used to generate this commit log are available at https://github.com/groeck/coccinelle-patches - Drop assignments to otherwise unused variables - Drop empty remove function - Use local variable 'struct device *dev' consistently - Use devm_watchdog_register_driver() to register watchdog device - Replace shutdown function with call to watchdog_stop_on_reboot() Signed-off-by:
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Guenter Roeck authored
Introduce local variable 'struct device *dev' and use it instead of dereferencing it repeatedly. The conversion was done automatically with coccinelle using the following semantic patches. The semantic patches and the scripts used to generate this commit log are available at https://github.com/groeck/coccinelle-patches Cc: Shawn Guo <shawnguo@kernel.org> Cc: Sascha Hauer <s.hauer@pengutronix.de> Cc: Pengutronix Kernel Team <kernel@pengutronix.de> Cc: Fabio Estevam <festevam@gmail.com> Cc: NXP Linux Team <linux-imx@nxp.com> Signed-off-by:
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Guenter Roeck authored
Introduce local variable 'struct device *dev' and use it instead of dereferencing it repeatedly. The conversion was done automatically with coccinelle using the following semantic patches. The semantic patches and the scripts used to generate this commit log are available at https://github.com/groeck/coccinelle-patchesSigned-off-by:
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Guenter Roeck authored
Introduce local variable 'struct device *dev' and use it instead of dereferencing it repeatedly. The conversion was done automatically with coccinelle using the following semantic patches. The semantic patches and the scripts used to generate this commit log are available at https://github.com/groeck/coccinelle-patchesSigned-off-by:
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Guenter Roeck authored
Introduce local variable 'struct device *dev' and use it instead of dereferencing it repeatedly. The conversion was done automatically with coccinelle using the following semantic patches. The semantic patches and the scripts used to generate this commit log are available at https://github.com/groeck/coccinelle-patchesSigned-off-by:
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Guenter Roeck authored
There is no call to dev_get_drvdata() or platform_get_drvdata() in the driver. Drop the unnecessary call to platform_set_drvdata(). The conversion was done automatically with coccinelle using the following semantic patches. The semantic patches and the scripts used to generate this commit log are available at https://github.com/groeck/coccinelle-patches Cc: Masahiro Yamada <yamada.masahiro@socionext.com> Signed-off-by:
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Guenter Roeck authored
Use device managed functions to simplify error handling, reduce source code size, improve readability, and reduce the likelyhood of bugs. Other improvements as listed below. The conversion was done automatically with coccinelle using the following semantic patches. The semantic patches and the scripts used to generate this commit log are available at https://github.com/groeck/coccinelle-patches - Drop assignments to otherwise unused variables - Drop empty remove function - Introduce local variable 'struct device *dev' and use it instead of dereferencing it repeatedly - Use devm_watchdog_register_driver() to register watchdog device Signed-off-by:
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Guenter Roeck authored
Introduce local variable 'struct device *dev' and use it instead of dereferencing it repeatedly. The conversion was done automatically with coccinelle using the following semantic patches. The semantic patches and the scripts used to generate this commit log are available at https://github.com/groeck/coccinelle-patchesSigned-off-by:
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Guenter Roeck authored
Use device managed functions to simplify error handling, reduce source code size, improve readability, and reduce the likelyhood of bugs. Other improvements as listed below. The conversion was done automatically with coccinelle using the following semantic patches. The semantic patches and the scripts used to generate this commit log are available at https://github.com/groeck/coccinelle-patches - Drop assignments to otherwise unused variables - Drop empty remove function - Introduce local variable 'struct device *dev' and use it instead of dereferencing it repeatedly - Use devm_watchdog_register_driver() to register watchdog device Signed-off-by:
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Guenter Roeck authored
Introduce local variable 'struct device *dev' and use it instead of dereferencing it repeatedly. The conversion was done automatically with coccinelle using the following semantic patches. The semantic patches and the scripts used to generate this commit log are available at https://github.com/groeck/coccinelle-patchesSigned-off-by:
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Guenter Roeck authored
Use watchdog_stop_on_unregister() in probe instead of calling tegra_wdt_stop() in the remove function. Also introduce local variable 'struct device *dev' and use it instead of dereferencing it repeatedly. Finally, drop the now empty remove function. The conversion was done automatically with coccinelle using the following semantic patches. The semantic patches and the scripts used to generate this commit log are available at https://github.com/groeck/coccinelle-patches Cc: Thierry Reding <thierry.reding@gmail.com> Cc: Jonathan Hunter <jonathanh@nvidia.com> Signed-off-by:
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Bryan Tan authored
The get_timeleft call for wdat_wdt was using ACPI_WDAT_GET_COUNTDOWN when running an action on the device, which would return the configured countdown, instead of ACPI_WDAT_GET_CURRENT_COUNTDOWN, which returns the time left before the watchdog will fire. This change corrects that. Signed-off-by:
Bryan Tan <bryantan@vmware.com> Reviewed-by:
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Guenter Roeck authored
Use device managed functions to simplify error handling, reduce source code size, improve readability, and reduce the likelyhood of bugs. Other improvements as listed below. The conversion was done automatically with coccinelle using the following semantic patches. The semantic patches and the scripts used to generate this commit log are available at https://github.com/groeck/coccinelle-patches - Drop assignments to otherwise unused variables - Drop unnecessary braces around conditional return statements - Drop empty remove function - Use devm_add_action_or_reset() for calls to clk_disable_unprepare - Replace stop on remove with call to watchdog_stop_on_unregister() - Use devm_watchdog_register_driver() to register watchdog device Cc: Marc Gonzalez <marc.w.gonzalez@free.fr> Cc: Mans Rullgard <mans@mansr.com> Signed-off-by:
Mans Rullgard <mans@mansr.com> Signed-off-by:
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Guenter Roeck authored
Introduce local variable 'struct device *dev' and use it instead of dereferencing it repeatedly. The conversion was done automatically with coccinelle using the following semantic patches. The semantic patches and the scripts used to generate this commit log are available at https://github.com/groeck/coccinelle-patches Cc: Maxime Ripard <maxime.ripard@bootlin.com> Cc: Chen-Yu Tsai <wens@csie.org> Signed-off-by:
Maxime Ripard <maxime.ripard@bootlin.com> Signed-off-by:
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Guenter Roeck authored
Introduce local variable 'struct device *dev' and use it instead of dereferencing it repeatedly. The conversion was done automatically with coccinelle using the following semantic patches. The semantic patches and the scripts used to generate this commit log are available at https://github.com/groeck/coccinelle-patchesSigned-off-by:
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Guenter Roeck authored
Use device managed functions to simplify error handling, reduce source code size, improve readability, and reduce the likelyhood of bugs. The conversion was done automatically with coccinelle using the following semantic patches. The semantic patches and the scripts used to generate this commit log are available at https://github.com/groeck/coccinelle-patches - Introduce local variable 'struct device *dev' and use it instead of dereferencing it repeatedly - Use devm_watchdog_register_driver() to register watchdog device Cc: Maxime Coquelin <mcoquelin.stm32@gmail.com> Cc: Alexandre Torgue <alexandre.torgue@st.com> Signed-off-by:
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Guenter Roeck authored
Use device managed functions to simplify error handling, reduce source code size, improve readability, and reduce the likelyhood of bugs. The conversion was done automatically with coccinelle using the following semantic patches. The semantic patches and the scripts used to generate this commit log are available at https://github.com/groeck/coccinelle-patches - Use devm_add_action_or_reset() for calls to clk_disable_unprepare - Introduce local variable 'struct device *dev' and use it instead of dereferencing it repeatedly - Use devm_watchdog_register_driver() to register watchdog device Cc: Patrice Chotard <patrice.chotard@st.com> Signed-off-by:
Patrice Chotard <patrice.chotard@st.com> Signed-off-by:
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Guenter Roeck authored
Use device managed functions to simplify error handling, reduce source code size, improve readability, and reduce the likelyhood of bugs. Other improvements as listed below. The conversion was done automatically with coccinelle using the following semantic patches. The semantic patches and the scripts used to generate this commit log are available at https://github.com/groeck/coccinelle-patches - Replace devm_add_action() followed by failure action with devm_add_action_or_reset() - Replace 'val = e; return val;' with 'return e;' - Introduce local variable 'struct device *dev' and use it instead of dereferencing it repeatedly - Use devm_watchdog_register_driver() to register watchdog device Signed-off-by:
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Guenter Roeck authored
Use device managed functions to simplify error handling, reduce source code size, improve readability, and reduce the likelyhood of bugs. Other improvements as listed below. The conversion was done automatically with coccinelle using the following semantic patches. The semantic patches and the scripts used to generate this commit log are available at https://github.com/groeck/coccinelle-patches - Drop empty remove function - Introduce local variable 'struct device *dev' and use it instead of dereferencing it repeatedly - Replace shutdown function with call to watchdog_stop_on_reboot() - Replace stop on remove with call to watchdog_stop_on_unregister() - Use devm_watchdog_register_driver() to register watchdog device Cc: Barry Song <baohua@kernel.org> Signed-off-by:
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Guenter Roeck authored
Use device managed functions to simplify error handling, reduce source code size, improve readability, and reduce the likelyhood of bugs. Other improvements as listed below. The conversion was done automatically with coccinelle using the following semantic patches. The semantic patches and the scripts used to generate this commit log are available at https://github.com/groeck/coccinelle-patches - Drop assignments to otherwise unused variables - Drop empty remove function - Introduce local variable 'struct device *dev' and use it instead of dereferencing it repeatedly - Replace stop on remove with call to watchdog_stop_on_unregister() - Use devm_watchdog_register_driver() to register watchdog device Cc: Nicolas Ferre <nicolas.ferre@microchip.com> Cc: Alexandre Belloni <alexandre.belloni@bootlin.com> Cc: Ludovic Desroches <ludovic.desroches@microchip.com> Signed-off-by:
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Guenter Roeck authored
Introduce local variable 'struct device *dev' and use it instead of dereferencing it repeatedly. The conversion was done automatically with coccinelle using the following semantic patches. The semantic patches and the scripts used to generate this commit log are available at https://github.com/groeck/coccinelle-patchesSigned-off-by:
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Guenter Roeck authored
Use device managed functions to simplify error handling, reduce source code size, improve readability, and reduce the likelyhood of bugs. Other improvements as listed below. The conversion was done automatically with coccinelle using the following semantic patches. The semantic patches and the scripts used to generate this commit log are available at https://github.com/groeck/coccinelle-patches - Drop assignments to otherwise unused variables - Drop unnecessary braces around conditional return statements - Drop empty remove function - Use devm_add_action_or_reset() for calls to clk_disable_unprepare - Replace 'of_clk_get(np, 0)' with 'devm_clk_get(dev, NULL)' - Introduce local variable 'struct device *dev' and use it instead of dereferencing it repeatedly - Use devm_watchdog_register_driver() to register watchdog device Signed-off-by:
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Guenter Roeck authored
Introduce local variable 'struct device *dev' and use it instead of dereferencing it repeatedly. The conversion was done automatically with coccinelle using the following semantic patches. The semantic patches and the scripts used to generate this commit log are available at https://github.com/groeck/coccinelle-patchesSigned-off-by:
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