From: Felipe Balbi <felipe.balbi@linux.intel.com>
Date: Thu, 9 Jun 2016 13:24:08 +0000 (+0300)
Subject: usb: dwc3: gadget: remove udelay() from run_stop()
X-Git-Tag: v4.14-rc1~2867^2~23^2~41
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=d807bdd02845d53047346a4ba6d8934597fba6d6;p=platform%2Fkernel%2Flinux-rpi.git

usb: dwc3: gadget: remove udelay() from run_stop()

testing shows that udelay() is unnecessary as
controller reaches Halted state almost
instantenously as can be seen by our timeout
variable never actually decrementing.

Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
---

diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index c889ee3..b3b5df6 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -1584,7 +1584,6 @@ static int dwc3_gadget_run_stop(struct dwc3 *dwc, int is_on, int suspend)
 		timeout--;
 		if (!timeout)
 			return -ETIMEDOUT;
-		udelay(1);
 	} while (1);
 
 	dwc3_trace(trace_dwc3_gadget, "gadget %s data soft-%s",