Hi Lucas, On Mon, Jan 5, 2015 at 9:02 AM, Lucas Stach <l.st...@pengutronix.de> wrote: > Some controllers need to have external power supplied before toggling > the internal PORT_POWER bit. > > Fixes: 11a7e5940514 (usb: ehci: add ehci_port_power interface) on i.MX51 > where the controller would hang the machine when trying to enable PORT_POWER.
I tested your patch and the hang does not happen anymore, but the USB host port on my imx51-babbage is no longer functional: attaching a USB thumb on the host port is not detected. If I apply the following patch then I am able to get USB host port functional again: http://lists.infradead.org/pipermail/linux-arm-kernel/2014-December/310705.html Regards, Fabio Estevam -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
