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 <sba...@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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