Re: [PATCH] watchdog: starfive: Remove #ifdef guards for PM related functions

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On 7/6/23 01:29, Paul Cercueil 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.

Signed-off-by: Paul Cercueil <paul@xxxxxxxxxxxxxxx>

Reviewed-by: Guenter Roeck <linux@xxxxxxxxxxxx>

---
  drivers/watchdog/starfive-wdt.c | 10 +++-------
  1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/drivers/watchdog/starfive-wdt.c b/drivers/watchdog/starfive-wdt.c
index 8058fca4d05d..7c8a1c5e75be 100644
--- a/drivers/watchdog/starfive-wdt.c
+++ b/drivers/watchdog/starfive-wdt.c
@@ -526,7 +526,6 @@ static void starfive_wdt_shutdown(struct platform_device *pdev)
  	starfive_wdt_pm_stop(&wdt->wdd);
  }
-#ifdef CONFIG_PM_SLEEP
  static int starfive_wdt_suspend(struct device *dev)
  {
  	struct starfive_wdt *wdt = dev_get_drvdata(dev);
@@ -556,9 +555,7 @@ static int starfive_wdt_resume(struct device *dev)
return starfive_wdt_start(wdt);
  }
-#endif /* CONFIG_PM_SLEEP */
-#ifdef CONFIG_PM
  static int starfive_wdt_runtime_suspend(struct device *dev)
  {
  	struct starfive_wdt *wdt = dev_get_drvdata(dev);
@@ -574,11 +571,10 @@ static int starfive_wdt_runtime_resume(struct device *dev)
return starfive_wdt_enable_clock(wdt);
  }
-#endif /* CONFIG_PM */
static const struct dev_pm_ops starfive_wdt_pm_ops = {
-	SET_RUNTIME_PM_OPS(starfive_wdt_runtime_suspend, starfive_wdt_runtime_resume, NULL)
-	SET_SYSTEM_SLEEP_PM_OPS(starfive_wdt_suspend, starfive_wdt_resume)
+	RUNTIME_PM_OPS(starfive_wdt_runtime_suspend, starfive_wdt_runtime_resume, NULL)
+	SYSTEM_SLEEP_PM_OPS(starfive_wdt_suspend, starfive_wdt_resume)
  };
static const struct of_device_id starfive_wdt_match[] = {
@@ -594,7 +590,7 @@ static struct platform_driver starfive_wdt_driver = {
  	.shutdown = starfive_wdt_shutdown,
  	.driver = {
  		.name = "starfive-wdt",
-		.pm = &starfive_wdt_pm_ops,
+		.pm = pm_ptr(&starfive_wdt_pm_ops),
  		.of_match_table = starfive_wdt_match,
  	},
  };




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