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Commit 0fe886cd authored by Felipe Balbi's avatar Felipe Balbi
Browse files

usb: dwc3: gadget: single return point on generic commands 



Just like we did for endpoint commands, let's use a
single return point for generic commands as
well. This aids readability.

Signed-off-by: default avatarFelipe Balbi <felipe.balbi@linux.intel.com>
parent 0933df15

drivers/usb/dwc3/gadget.c

+12 −13
Original line number Diff line number Diff line
@@ -207,6 +207,7 @@ void dwc3_gadget_giveback(struct dwc3_ep *dep, struct dwc3_request *req, 
int dwc3_send_gadget_generic_command(struct dwc3 *dwc, unsigned cmd, u32 param)

{

	u32		timeout = 500;

	int		ret = 0;

	u32		reg;



	trace_dwc3_gadget_generic_cmd(cmd, param);
@@ -221,22 +222,20 @@ int dwc3_send_gadget_generic_command(struct dwc3 *dwc, unsigned cmd, u32 param) 
					"Command Complete --> %d",

					DWC3_DGCMD_STATUS(reg));

			if (DWC3_DGCMD_STATUS(reg))

				return -EINVAL;

			return 0;

				ret = -EINVAL;

			break;

		}



		/*

		 * We can't sleep here, because it's also called from

		 * interrupt context.

		 */

		timeout--;

		udelay(1);

	} while (timeout--);



	if (!timeout) {

		dwc3_trace(trace_dwc3_gadget,

				"Command Timed Out");

			return -ETIMEDOUT;

		ret = -ETIMEDOUT;

	}

		udelay(1);

	} while (1);



	return ret;

}



static int __dwc3_gadget_wakeup(struct dwc3 *dwc);