Messages in this thread Patch in this message | | | From | Paul Cercueil <> | Subject | [PATCH 6/8] watchdog: st_lpc_wdt: Remove #ifdef guards for PM related functions | Date | Tue, 28 Jun 2022 20:34:47 +0100 |
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Use the new DEFINE_SIMPLE_DEV_PM_OPS() and pm_sleep_ptr() macros to handle the .suspend/.resume callbacks.
These macros allow the suspend and resume functions to be automatically dropped by the compiler when CONFIG_SUSPEND is disabled, without having to use #ifdef guards. Not using #ifdef guards means that the code is always compiled independently of any Kconfig option, and thanks to that bugs and regressions are easier to catch.
Signed-off-by: Paul Cercueil <paul@crapouillou.net> Cc: Patrice Chotard <patrice.chotard@foss.st.com> Cc: linux-arm-kernel@lists.infradead.org --- drivers/watchdog/st_lpc_wdt.c | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-)
diff --git a/drivers/watchdog/st_lpc_wdt.c b/drivers/watchdog/st_lpc_wdt.c index 14ab6559c748..39abecdb9dd1 100644 --- a/drivers/watchdog/st_lpc_wdt.c +++ b/drivers/watchdog/st_lpc_wdt.c @@ -248,7 +248,6 @@ static int st_wdog_remove(struct platform_device *pdev) return 0; } -#ifdef CONFIG_PM_SLEEP static int st_wdog_suspend(struct device *dev) { struct st_wdog *st_wdog = watchdog_get_drvdata(&st_wdog_dev); @@ -285,16 +284,14 @@ static int st_wdog_resume(struct device *dev) return 0; } -#endif -static SIMPLE_DEV_PM_OPS(st_wdog_pm_ops, - st_wdog_suspend, - st_wdog_resume); +static DEFINE_SIMPLE_DEV_PM_OPS(st_wdog_pm_ops, + st_wdog_suspend, st_wdog_resume); static struct platform_driver st_wdog_driver = { .driver = { .name = "st-lpc-wdt", - .pm = &st_wdog_pm_ops, + .pm = pm_sleep_ptr(&st_wdog_pm_ops), .of_match_table = st_wdog_match, }, .probe = st_wdog_probe, -- 2.35.1
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