linux-kernel - [PATCH v3 4/4] watchdog: iTCO_wdg: Make code more clearly with macro definition

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Message-Id: <1650944120-30954-5-git-send-email-liuxp11@chinatelecom.cn>
Date:   Tue, 26 Apr 2022 11:35:20 +0800
From:   Liu Xinpeng <liuxp11@...natelecom.cn>
To:     wim@...ux-watchdog.org, linux@...ck-us.net
Cc:     linux-watchdog@...r.kernel.org, linux-kernel@...r.kernel.org,
        Liu Xinpeng <liuxp11@...natelecom.cn>
Subject: [PATCH v3 4/4] watchdog: iTCO_wdg: Make code more clearly with macro definition

Using SET_NOIRQ_SYSTEM_SLEEP_PM_OPS reduces redundant code.

Signed-off-by: Liu Xinpeng <liuxp11@...natelecom.cn>
---
 drivers/watchdog/iTCO_wdt.c | 12 +++---------
 1 file changed, 3 insertions(+), 9 deletions(-)

diff --git a/drivers/watchdog/iTCO_wdt.c b/drivers/watchdog/iTCO_wdt.c
index 3f2f4343644f..f870cf08f143 100644
--- a/drivers/watchdog/iTCO_wdt.c
+++ b/drivers/watchdog/iTCO_wdt.c
@@ -596,7 +596,6 @@ static int iTCO_wdt_probe(struct platform_device *pdev)
 	return 0;
 }
 
-#ifdef CONFIG_PM_SLEEP
 /*
  * Suspend-to-idle requires this, because it stops the ticks and timekeeping, so
  * the watchdog cannot be pinged while in that state.  In ACPI sleep states the
@@ -637,20 +636,15 @@ static int iTCO_wdt_resume_noirq(struct device *dev)
 }
 
 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