watchdog: st_lpc_wdt: Convert to use device managed functions

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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: Guenter Roeck <linux@roeck-us.net>
Acked-by: Patrice Chotard <patrice.chotard@st.com>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>

...

This commit is contained in:

Guenter Roeck 2019-04-09 10:23:57 -07:00 • committed by Wim Van Sebroeck

parent 78d9bfad2e

commit cfe9ee3ab3

1 changed files with 26 additions and 21 deletions

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drivers/watchdog/st_lpc_wdt.c

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