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authorStefano Babic <sbabic@denx.de>2010-10-18 10:23:05 +0200
committerStefano Babic <sbabic@denx.de>2010-10-18 15:21:36 +0200
commita2f9bff99878225dec6a3d4995ab1b993ab649e2 (patch)
tree39b8ac1288cd046ab8f493d9bded7235fa2aa547 /drivers/usb/host
parentff9f475d5d46da7e4acf523a61aef65638765670 (diff)
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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>
Diffstat (limited to 'drivers/usb/host')
-rw-r--r--drivers/usb/host/ehci-mxc.c2
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;
}