r8152: Add RTL8152_INACCESSIBLE to r8153_pre_firmware_1()

Delay loops in r8152 should break out if RTL8152_INACCESSIBLE is set
so that they don't delay too long if the device becomes
inaccessible. Add the break to the loop in r8153_pre_firmware_1().

Fixes: 9370f2d ("r8152: support request_firmware for RTL8153")
Reviewed-by: Grant Grundler <[email protected]>
Signed-off-by: Douglas Anderson <[email protected]>
Acked-by: Hayes Wang <[email protected]>
Signed-off-by: David S. Miller <[email protected]>

Author: dianders

drivers/net/usb/r8152.c

@@ -5645,6 +5645,8 @@ static int r8153_pre_firmware_1(struct r8152 *tp)
 	for (i = 0; i < 104; i++) {
 		u32 ocp_data = ocp_read_byte(tp, MCU_TYPE_USB, USB_WDT1_CTRL);
 
+		if (test_bit(RTL8152_INACCESSIBLE, &tp->flags))
+			return -ENODEV;
 		if (!(ocp_data & WTD1_EN))
 			break;
 		usleep_range(1000, 2000);