usb: renesas_usbhs: Remove dummy runtime PM callbacks

Platform drivers don't need dummy runtime PM callbacks that just return
success in order to have runtime PM happening. This has changed since
following commits:

commit 05aa55dddb9e ("PM / Runtime: Lenient generic runtime pm callbacks")
commit 543f2503a956 ("PM / platform_bus: Allow runtime PM by default")
commit 8b313a38ecff ("PM / Platform: Use generic runtime PM callbacks directly")

Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Acked-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
[shimoda: revise git commit description style]
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>

diff --git a/drivers/usb/renesas_usbhs/common.c b/drivers/usb/renesas_usbhs/common.c
index a3e1290..0e760f2 100644 (file)
--- a/drivers/usb/renesas_usbhs/common.c
+++ b/drivers/usb/renesas_usbhs/common.c
@@ -874,23 +874,9 @@ static int usbhsc_resume(struct device *dev)
        return 0;
 }
 
-static int usbhsc_runtime_nop(struct device *dev)
-{
-       /* Runtime PM callback shared between ->runtime_suspend()
-        * and ->runtime_resume(). Simply returns success.
-        *
-        * This driver re-initializes all registers after
-        * pm_runtime_get_sync() anyway so there is no need
-        * to save and restore registers here.
-        */
-       return 0;
-}
-
 static const struct dev_pm_ops usbhsc_pm_ops = {
        .suspend                = usbhsc_suspend,
        .resume                 = usbhsc_resume,
-       .runtime_suspend        = usbhsc_runtime_nop,
-       .runtime_resume         = usbhsc_runtime_nop,
 };
 
 static struct platform_driver renesas_usbhs_driver = {