From: Dinh Nguyen <Dinh.Nguyen@freescale.com>
Date: Tue, 13 Apr 2010 16:13:15 +0000 (-0500)
Subject: usb: Increase timeout value for device reset
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=6307e0961205c50a8a9b6e8e3e4dfd178a944ba9;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

usb: Increase timeout value for device reset

It seems that for USB IP on Freescale MX5x processors, it needs >750
usec for the reset to complete. This change should not hurt any other
EHCI hardware.

Signed-off-by: Dinh Nguyen <Dinh.Nguyen@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

diff --git a/drivers/usb/host/ehci-hub.c b/drivers/usb/host/ehci-hub.c
index 19372673bf09..c7178bcde67a 100644
--- a/drivers/usb/host/ehci-hub.c
+++ b/drivers/usb/host/ehci-hub.c
@@ -801,7 +801,7 @@ static int ehci_hub_control (
 			 * this bit; seems too long to spin routinely...
 			 */
 			retval = handshake(ehci, status_reg,
-					PORT_RESET, 0, 750);
+					PORT_RESET, 0, 1000);
 			if (retval != 0) {
 				ehci_err (ehci, "port %d reset error %d\n",
 					wIndex + 1, retval);