From: Vardan Mikayelyan <mvardan@synopsys.com>
Date: Thu, 26 May 2016 01:06:58 +0000 (-0700)
Subject: usb: dwc2: gadget: Remove unnecessary code
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=7c01b99154c5819bb811100738880a1341bca64a;p=linux-beck.git

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.

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>
---

diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c
index 34c63e94f1f5..1487968f590c 100644
--- 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.