[PATCH 12/23] i2c: lpc2k: Remove #ifdef guards for PM related functions

Jonathan Cameron Jonathan.Cameron at Huawei.com
Wed Jul 5 19:39:47 PDT 2023


On Wed,  5 Jul 2023 22:43:03 +0200
Paul Cercueil <paul at crapouillou.net> wrote:

> Use the new PM macros for the suspend and resume functions to be
> automatically dropped by the compiler when CONFIG_PM or
> CONFIG_PM_SLEEP are disabled, without having to use #ifdef guards.
> 
> This has the advantage of always compiling these functions in,
> independently of any Kconfig option. Thanks to that, bugs and other
> regressions are subsequently easier to catch.
> 
> Note that the behaviour is slightly different than before; the original
> code wrapped the suspend/resume with #ifdef CONFIG_PM guards, which
> resulted in these functions being compiled in but never used when
> CONFIG_PM_SLEEP was disabled.
> 
> Now, those functions are only compiled in when CONFIG_PM_SLEEP is
> enabled.
> 
> Also note that pm_sleep_ptr() has not been applied to each callback
> in the dev_pm_ops structure because the pm_sleep_ptr() at the usage site
> is sufficient.
> 
> Signed-off-by: Paul Cercueil <paul at crapouillou.net>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron at huawei.com>



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