From: Felipe Balbi <felipe.balbi@linux.intel.com>
Date: Mon, 23 May 2016 11:08:47 +0000 (+0300)
Subject: UPSTREAM: usb: dwc3: gadget: remove udelay() from generic cmd
X-Git-Tag: firefly_0821_release~1811
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=1b53b78b7ceb9d61d0c9a4152d4f47e7e02fa4d5;p=firefly-linux-kernel-4.4.55.git

UPSTREAM: usb: dwc3: gadget: remove udelay() from generic cmd

We want commands to finish ASAP, so let's remove
that udelay() call.

Change-Id: I521945dc6242cfe1a8cf730ab2f7d9010a1e65a9
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Signed-off-by: Wu Liang feng <wulf@rock-chips.com>
(cherry picked from commit 88811f7b722c417ececbc7f278c26d8df8606d02)
---

diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index 74a1489e5715..46fa5b9e6518 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -225,8 +225,6 @@ int dwc3_send_gadget_generic_command(struct dwc3 *dwc, unsigned cmd, u32 param)
 				ret = -EINVAL;
 			break;
 		}
-
-		udelay(1);
 	} while (timeout--);
 
 	if (!timeout) {