[U-Boot] [PATCH V2] usb: ci_udc: parse QTD before over-writing it

[Marek Vasut]

On Tuesday, May 13, 2014 at 06:51:54 PM, Stephen Warren wrote:
> From: Stephen Warren <swarren at nvidia.com>
> 
> ci_udc only allocates a single QTD structure per EP. All data needs to be
> extracted from the DTD prior to calling ci_ep_submit_next_request(), since
> that fills the QTD with next transaction's parameters. Fix
> handle_ep_complete() to extract the transaction (remaining) length before
> kicking off the next transaction.
> 
> In practice, this only causes writes to UMS devices to fail for me. I may
> have tested the final versions of my previous ci_udc patch only with
> reads. More recently, I had patches applied locally that allocated a QTD
> per USB request rather than per USB EP, although since that doesn't give
> any performance benefit, I'm dropping those.

Applied, thanks.

Best regards,
Marek Vasut