watchdog: da9063_wdt: Convert to use device managed functions
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 - Replace 'val = e; return val;' with 'return e;' - Replace 'if (e) return e; return 0;' with 'return e;' - Drop assignments to otherwise unused variables - Drop unused variables - Drop remove function - Drop dev_set_drvdata() - Use devm_watchdog_register_driver() to register watchdog device Acked-by: Adam Thomson <Adam.Thomson.Opensource@diasemi.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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