linux-kernel - [PATCH 2/3] watchdog: imx2_wdt: Use __maybe_unused instead of #if CONFIG_PM

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Date:   Tue, 24 Sep 2019 15:07:07 +0800
From:   Anson Huang <Anson.Huang@....com>
To:     wim@...ux-watchdog.org, linux@...ck-us.net, shawnguo@...nel.org,
        s.hauer@...gutronix.de, kernel@...gutronix.de, festevam@...il.com,
        linux-watchdog@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc:     Linux-imx@....com
Subject: [PATCH 2/3] watchdog: imx2_wdt: Use __maybe_unused instead of #if CONFIG_PM_SLEEP

Use __maybe_unused for power management related functions instead
of #if CONFIG_PM_SLEEP to simply the code.

Signed-off-by: Anson Huang <Anson.Huang@....com>
---
 drivers/watchdog/imx2_wdt.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/watchdog/imx2_wdt.c b/drivers/watchdog/imx2_wdt.c
index 6711b4e..034f32c 100644
--- a/drivers/watchdog/imx2_wdt.c
+++ b/drivers/watchdog/imx2_wdt.c
@@ -358,9 +358,8 @@ static void imx2_wdt_shutdown(struct platform_device *pdev)
 	}
 }
 
-#ifdef CONFIG_PM_SLEEP
 /* Disable watchdog if it is active or non-active but still running */
-static int imx2_wdt_suspend(struct device *dev)
+static int __maybe_unused imx2_wdt_suspend(struct device *dev)
 {
 	struct watchdog_device *wdog = dev_get_drvdata(dev);
 	struct imx2_wdt_device *wdev = watchdog_get_drvdata(wdog);
@@ -381,7 +380,7 @@ static int imx2_wdt_suspend(struct device *dev)
 }
 
 /* Enable watchdog and configure it if necessary */
-static int imx2_wdt_resume(struct device *dev)
+static int __maybe_unused imx2_wdt_resume(struct device *dev)
 {
 	struct watchdog_device *wdog = dev_get_drvdata(dev);
 	struct imx2_wdt_device *wdev = watchdog_get_drvdata(wdog);
@@ -406,7 +405,6 @@ static int imx2_wdt_resume(struct device *dev)
 
 	return 0;
 }
-#endif
 
 static SIMPLE_DEV_PM_OPS(imx2_wdt_pm_ops, imx2_wdt_suspend,
 			 imx2_wdt_resume);
-- 
2.7.4