usb: mtu3: remove repeated error log

The caller already print error log.

Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Link: https://lore.kernel.org/r/1595834101-13094-7-git-send-email-chunfeng.yun@mediatek.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/mtu3/mtu3_gadget.c b/drivers/usb/mtu3/mtu3_gadget.c
index 3d13129..2bc9a95 100644 (file)
--- a/drivers/usb/mtu3/mtu3_gadget.c
+++ b/drivers/usb/mtu3/mtu3_gadget.c
@@ -673,8 +673,6 @@ static void mtu3_gadget_init_eps(struct mtu3 *mtu)
 
 int mtu3_gadget_setup(struct mtu3 *mtu)
 {
-       int ret;
-
        mtu->g.ops = &mtu3_gadget_ops;
        mtu->g.max_speed = mtu->max_speed;
        mtu->g.speed = USB_SPEED_UNKNOWN;
@@ -685,11 +683,7 @@ int mtu3_gadget_setup(struct mtu3 *mtu)
 
        mtu3_gadget_init_eps(mtu);
 
-       ret = usb_add_gadget_udc(mtu->dev, &mtu->g);
-       if (ret)
-               dev_err(mtu->dev, "failed to register udc\n");
-
-       return ret;
+       return usb_add_gadget_udc(mtu->dev, &mtu->g);
 }
 
 void mtu3_gadget_cleanup(struct mtu3 *mtu)