watchdog: remove empty pm-functions

While checking what watchdog drivers usually do in suspend/resume to
spot common behaviour for the watchdog framework, I found these drivers
which do nothing but add some cruft. Remove it, it is superfluous. New
approaches should probably be done with pm_ops anyway.

Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>

diff --git a/drivers/watchdog/at91sam9_wdt.c b/drivers/watchdog/at91sam9_wdt.c
index eac2602..5cfbcc5 100644 (file)
--- a/drivers/watchdog/at91sam9_wdt.c
+++ b/drivers/watchdog/at91sam9_wdt.c
@@ -284,27 +284,8 @@ static int __exit at91wdt_remove(struct platform_device *pdev)
        return res;
 }
 
-#ifdef CONFIG_PM
-
-static int at91wdt_suspend(struct platform_device *pdev, pm_message_t message)
-{
-       return 0;
-}
-
-static int at91wdt_resume(struct platform_device *pdev)
-{
-       return 0;
-}
-
-#else
-#define at91wdt_suspend        NULL
-#define at91wdt_resume NULL
-#endif
-
 static struct platform_driver at91wdt_driver = {
        .remove         = __exit_p(at91wdt_remove),
-       .suspend        = at91wdt_suspend,
-       .resume         = at91wdt_resume,
        .driver         = {
                .name   = "at91_wdt",
                .owner  = THIS_MODULE,

diff --git a/drivers/watchdog/iTCO_wdt.c b/drivers/watchdog/iTCO_wdt.c
index 1190bf1..751a591 100644 (file)
--- a/drivers/watchdog/iTCO_wdt.c
+++ b/drivers/watchdog/iTCO_wdt.c
@@ -923,15 +923,10 @@ static void iTCO_wdt_shutdown(struct platform_device *dev)
        iTCO_wdt_stop();
 }
 
-#define iTCO_wdt_suspend NULL
-#define iTCO_wdt_resume  NULL
-
 static struct platform_driver iTCO_wdt_driver = {
        .probe          = iTCO_wdt_probe,
        .remove         = __devexit_p(iTCO_wdt_remove),
        .shutdown       = iTCO_wdt_shutdown,
-       .suspend        = iTCO_wdt_suspend,
-       .resume         = iTCO_wdt_resume,
        .driver         = {
                .owner  = THIS_MODULE,
                .name   = DRV_NAME,

diff --git a/drivers/watchdog/sch311x_wdt.c b/drivers/watchdog/sch311x_wdt.c
index c7cf4b0..029467e 100644 (file)
--- a/drivers/watchdog/sch311x_wdt.c
+++ b/drivers/watchdog/sch311x_wdt.c
@@ -472,15 +472,10 @@ static void sch311x_wdt_shutdown(struct platform_device *dev)
        sch311x_wdt_stop();
 }
 
-#define sch311x_wdt_suspend NULL
-#define sch311x_wdt_resume  NULL
-
 static struct platform_driver sch311x_wdt_driver = {
        .probe          = sch311x_wdt_probe,
        .remove         = __devexit_p(sch311x_wdt_remove),
        .shutdown       = sch311x_wdt_shutdown,
-       .suspend        = sch311x_wdt_suspend,
-       .resume         = sch311x_wdt_resume,
        .driver         = {
                .owner = THIS_MODULE,
                .name = DRV_NAME,