[U-Boot] [PATCH] MX31: add delay between USB port setup and reset
    Stefano Babic 
    sbabic at denx.de
       
    Tue Oct 19 12:02:28 CEST 2010
    
    
  
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 at denx.de>
---
 drivers/usb/host/ehci-mxc.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
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;
 }
 
-- 
1.7.1
    
    
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