Subject: [PATCH 32/62] watchdog: meson_gxbb_wdt: Convert to use device managed functions and other improvements

From: [email-masked] (Kevin Hilman)
Date: Wed, 11 Jan 2017 10:44:45 -0800

Guenter Roeck <[email-masked]> 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 <[email-masked]>
> Cc: Kevin Hilman <[email-masked]>
> Signed-off-by: Guenter Roeck <[email-masked]>

Nice, thanks for the cleanup!

Acked-by: Kevin Hilman <[email-masked]>