Merge git://git.denx.de/u-boot-arc

[u-boot] / drivers / usb / host / ehci-hcd.c

diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index fa5d584b82e4a4c7f61168436049fa1d267a58a0..13aa70d606614a61eb0db6fd04a4651786958671 100644 (file)
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -210,6 +210,9 @@ static int ehci_shutdown(struct ehci_ctrl *ctrl)
                return -EINVAL;
 
        cmd = ehci_readl(&ctrl->hcor->or_usbcmd);
+       /* If not run, directly return */
+       if (!(cmd & CMD_RUN))
+               return 0;
        cmd &= ~(CMD_PSE | CMD_ASE);
        ehci_writel(&ctrl->hcor->or_usbcmd, cmd);
        ret = handshake(&ctrl->hcor->or_usbsts, STS_ASS | STS_PSS, 0,