From mboxrd@z Thu Jan 1 00:00:00 1970 From: khilman@baylibre.com (Kevin Hilman) Date: Wed, 11 Jan 2017 10:44:45 -0800 Subject: [PATCH 32/62] watchdog: meson_gxbb_wdt: Convert to use device managed functions and other improvements In-Reply-To: <1484095516-12720-2-git-send-email-linux@roeck-us.net> (Guenter Roeck's message of "Tue, 10 Jan 2017 16:44:41 -0800") References: <1484091325-9199-1-git-send-email-linux@roeck-us.net> <1484095516-12720-1-git-send-email-linux@roeck-us.net> <1484095516-12720-2-git-send-email-linux@roeck-us.net> Message-ID: To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Guenter Roeck writes: > 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 > > - Use devm_add_action_or_reset() for calls to clk_disable_unprepare > - Check return value from clk_prepare_enable() > - Replace 'val = e; return val;' with 'return e;' > - Replace 'if (e) return e; return 0;' with 'return e;' > - Drop assignments to otherwise unused variables > - Replace 'if (e) { return expr; }' with 'if (e) return expr;' > - Drop remove function > - Use devm_watchdog_register_driver() to register watchdog device > - Replace shutdown function with call to watchdog_stop_on_reboot() > > Cc: Carlo Caione > Cc: Kevin Hilman > Signed-off-by: Guenter Roeck Nice, thanks for the cleanup! Acked-by: Kevin Hilman