linux-kernel - Re: [PATCH 32/62] watchdog: meson_gxbb_wdt: Convert to use device managed functions and other improvements

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Message-ID: <m2o9zd77xe.fsf@baylibre.com>
Date:   Wed, 11 Jan 2017 10:44:45 -0800
From:   Kevin Hilman <khilman@...libre.com>
To:     Guenter Roeck <linux@...ck-us.net>
Cc:     Wim Van Sebroeck <wim@...ana.be>, linux-watchdog@...r.kernel.org,
        linux-kernel@...r.kernel.org, Carlo Caione <carlo@...one.org>,
        linux-amlogic@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 32/62] watchdog: meson_gxbb_wdt: Convert to use device managed functions and other improvements

Guenter Roeck <linux@...ck-us.net> 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 <carlo@...one.org>
> Cc: Kevin Hilman <khilman@...libre.com>
> Signed-off-by: Guenter Roeck <linux@...ck-us.net>

Nice, thanks for the cleanup!

Acked-by: Kevin Hilman <khilman@...libre.com>