From: John Youn <John.Youn@synopsys.com>
Date: Thu, 17 Dec 2015 19:18:13 +0000 (-0800)
Subject: UPSTREAM: usb: dwc2: Reduce delay when forcing mode in reset
X-Git-Tag: firefly_0821_release~897
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=891a8d11ace4b430957f5fcefdf66727ebea4843;p=firefly-linux-kernel-4.4.55.git

UPSTREAM: usb: dwc2: Reduce delay when forcing mode in reset

The delay for force mode is only 25ms according to the databook.

Change-Id: Ib51c99f316a1efbf3ac2838ee2c248d6ad24c666
Signed-off-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Huang, Tao <huangtao@rock-chips.com>
(cherry picked from commit 97e463886b873f62bea2293e7edf81fdb884b84f)
---

diff --git a/drivers/usb/dwc2/core.c b/drivers/usb/dwc2/core.c
index 9dca83544b5e..39a0fa8a4c0a 100644
--- a/drivers/usb/dwc2/core.c
+++ b/drivers/usb/dwc2/core.c
@@ -602,7 +602,7 @@ static void dwc2_clear_force_mode(struct dwc2_hsotg *hsotg)
 	 * NOTE: This long sleep is _very_ important, otherwise the core will
 	 * not stay in host mode after a connector ID change!
 	 */
-	usleep_range(150000, 160000);
+	msleep(25);
 }
 
 /*