[PATCH v4 4/4] watchdog: iTCO_wdg: Make code more clearly with macro definition

[Liu Xinpeng <liuxp11@chinatelecom.cn>]

Using SET_NOIRQ_SYSTEM_SLEEP_PM_OPS reduces redundant code.

Signed-off-by: Liu Xinpeng <liuxp11@chinatelecom.cn>
Reviewed-by: Tzung-Bi Shih <tzungbi@kernel.org>
---
 drivers/watchdog/iTCO_wdt.c | 12 ++++--------
 1 file changed, 4 insertions(+), 8 deletions(-)

diff --git a/drivers/watchdog/iTCO_wdt.c b/drivers/watchdog/iTCO_wdt.c
index 3f2f4343644f..8d24cf4f4ca3 100644
--- a/drivers/watchdog/iTCO_wdt.c
+++ b/drivers/watchdog/iTCO_wdt.c
@@ -635,22 +635,18 @@ static int iTCO_wdt_resume_noirq(struct device *dev)
 
 	return 0;
 }
+#endif /* CONFIG_PM_SLEEP */
 
 static const struct dev_pm_ops iTCO_wdt_pm = {
-	.suspend_noirq = iTCO_wdt_suspend_noirq,
-	.resume_noirq = iTCO_wdt_resume_noirq,
+	SET_NOIRQ_SYSTEM_SLEEP_PM_OPS(iTCO_wdt_suspend_noirq,
+				      iTCO_wdt_resume_noirq)
 };
 
-#define ITCO_WDT_PM_OPS	(&iTCO_wdt_pm)
-#else
-#define ITCO_WDT_PM_OPS	NULL
-#endif /* CONFIG_PM_SLEEP */
-
 static struct platform_driver iTCO_wdt_driver = {
 	.probe          = iTCO_wdt_probe,
 	.driver         = {
 		.name   = DRV_NAME,
-		.pm     = ITCO_WDT_PM_OPS,
+		.pm     = &iTCO_wdt_pm,
 	},
 };
 
-- 
2.23.0