From: Stefano Babic <sbabic@denx.de>
Date: Mon, 18 Oct 2010 08:23:05 +0000 (+0200)
Subject: MX31: add delay between USB port setup and reset
X-Git-Tag: v2010.12-rc1~72^2~27^2~3
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=a2f9bff99878225dec6a3d4995ab1b993ab649e2;p=platform%2Fkernel%2Fu-boot.git

MX31: add delay between USB port setup and reset

Sometimes a usb tree is not popolated after a system reset.
It seems a delay is required after setting the USB ports
for the MX.31 before resetting the ehci controller.

Signed-off-by: Stefano Babic <sbabic@denx.de>
---

diff --git a/drivers/usb/host/ehci-mxc.c b/drivers/usb/host/ehci-mxc.c
index af8ee90..8d7b380 100644
--- a/drivers/usb/host/ehci-mxc.c
+++ b/drivers/usb/host/ehci-mxc.c
@@ -117,6 +117,8 @@ int ehci_hcd_init(void)
 
 	mxc_set_usbcontrol(CONFIG_MXC_USB_PORT, CONFIG_MXC_USB_FLAGS);
 
+	udelay(10000);
+
 	return 0;
 }