From: lyz <lyz@rock-chips.com>
Date: Mon, 16 Mar 2015 09:11:48 +0000 (+0800)
Subject: usb: dwc_otg: fix bug in device_init routine
X-Git-Tag: firefly_0821_release~4261^2
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=2e57f1da64abe0772a8afa499c00390b04aaed15;p=firefly-linux-kernel-4.4.55.git

usb: dwc_otg: fix bug in device_init routine

1.wait epenable bit timeout decrease from 10s to 1s
2.fix bug, without 'j++' this loop never break if there is some
problem with ep state
---

diff --git a/drivers/usb/dwc_otg_310/dwc_otg_cil.c b/drivers/usb/dwc_otg_310/dwc_otg_cil.c
index fc347d04615b..dae6550634c1 100755
--- a/drivers/usb/dwc_otg_310/dwc_otg_cil.c
+++ b/drivers/usb/dwc_otg_310/dwc_otg_cil.c
@@ -2262,9 +2262,9 @@ void dwc_otg_core_dev_init(dwc_otg_core_if_t *core_if)
 				    DWC_READ_REG32(&core_if->
 						   dev_if->out_ep_regs[i]->
 						   doepint);
-				if (j == 100000) {
+				if (j++ >= 10000) {
 					DWC_ERROR
-					    ("EPDIS was not set during 10s\n");
+					    ("EPDIS was not set during 1s\n");
 					break;
 				}
 			} while (!doepint.b.epdisabled);