Re: [PATCH] usb: ehci: fix port power enable when override present

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Hi Lucas,

On Mon, Jan 5, 2015 at 9:02 AM, Lucas Stach <l.stach@xxxxxxxxxxxxxx> 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
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