UPSTREAM: usb: dwc2: gadget: Remove unnecessary code

This chunk is not needed here. There is no functionality
depend on this, so if no-op, I think we do not need to have
this interrupt unmasked.

Change-Id: I74a0861ce66e23888c001b7cf1833b7cce715362
Tested-by: John Keeping <john@metanate.com>
Signed-off-by: Vardan Mikayelyan <mvardan@synopsys.com>
Signed-off-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Signed-off-by: Huang, Tao <huangtao@rock-chips.com>
(cherry picked from commit 7c01b99154c5819bb811100738880a1341bca64a)

diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c
index 34c63e94f1f5dbb702ae11c1115e6270fd122b0d..1487968f590c7e1e8d256ae98fc29cfc2bd897a4 100644 (file)
--- a/drivers/usb/dwc2/gadget.c
+++ b/drivers/usb/dwc2/gadget.c
@@ -657,14 +657,6 @@ static void dwc2_hsotg_start_req(struct dwc2_hsotg *hsotg,
                dwc2_hsotg_write_fifo(hsotg, hs_ep, hs_req);
        }
 
-       /*
-        * clear the INTknTXFEmpMsk when we start request, more as a aide
-        * to debugging to see what is going on.
-        */
-       if (dir_in)
-               dwc2_writel(DIEPMSK_INTKNTXFEMPMSK,
-                      hsotg->regs + DIEPINT(index));
-
        /*
         * Note, trying to clear the NAK here causes problems with transmit
         * on the S3C6400 ending up with the TXFIFO becoming full.