Treat dr_mode of USB_DR_MODE_UNKNOWN as USB_DR_MODE_OTG to enhance functional robustness. Signed-off-by: Chunfeng Yun <chunfeng.yun@xxxxxxxxxxxx> --- drivers/usb/mtu3/mtu3_plat.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/usb/mtu3/mtu3_plat.c b/drivers/usb/mtu3/mtu3_plat.c index 7ca81f4e..9ff3357 100644 --- a/drivers/usb/mtu3/mtu3_plat.c +++ b/drivers/usb/mtu3/mtu3_plat.c @@ -283,10 +283,8 @@ static int get_ssusb_rscs(struct platform_device *pdev, struct ssusb_mtk *ssusb) return PTR_ERR(ssusb->ippc_base); ssusb->dr_mode = usb_get_dr_mode(dev); - if (ssusb->dr_mode == USB_DR_MODE_UNKNOWN) { - dev_err(dev, "dr_mode is error\n"); - return -EINVAL; - } + if (ssusb->dr_mode == USB_DR_MODE_UNKNOWN) + ssusb->dr_mode = USB_DR_MODE_OTG; if (ssusb->dr_mode == USB_DR_MODE_PERIPHERAL) return 0; -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html