ehci-atmel: Power down during suspend is normal

When an Atmel SoC is suspended with the backup mode, the USB bus will be
powered down. As this is expected, do not return an error to the driver
core when ehci_resume detects it.

Signed-off-by: Romain Izard <romain.izard.pro@gmail.com>
Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/host/ehci-atmel.c b/drivers/usb/host/ehci-atmel.c
index 7440722bfbf046fc646e34659dbb4e82b80469b7..2a8b9bdc0e57189ce4309e891dd55fdef571ad60 100644 (file)
--- a/drivers/usb/host/ehci-atmel.c
+++ b/drivers/usb/host/ehci-atmel.c
@@ -205,7 +205,8 @@ static int __maybe_unused ehci_atmel_drv_resume(struct device *dev)
        struct atmel_ehci_priv *atmel_ehci = hcd_to_atmel_ehci_priv(hcd);
 
        atmel_start_clock(atmel_ehci);
-       return ehci_resume(hcd, false);
+       ehci_resume(hcd, false);
+       return 0;
 }
 
 #ifdef CONFIG_OF