Re: [PATCH] USB: Driver for Freescale QUICC Engine USB Host Controller

Alan Stern
2008-12-24T02:45:30Z

On Wed, 24 Dec 2008, Anton Vorontsov wrote:

> This patch adds support for the FHCI USB controller, as found
> in the Freescale MPC836x and MPC832x processors. It can support
> Full or Low speed modes.
>
> Quite a lot the hardware is doing by itself (SOF generation, CRC
> generation and checking), though scheduling and retransmission is on
> software's shoulders.
>
> This controller does not integrate the root hub, so this driver also
> fakes one-port hub. External hub is required to support more than
> one device.

It looks like the kernel this was written for is several versions out
of date. The driver is missing some critical calls to functions like
usb_hcd_link_urb_to_ep().

Alan Stern