[U-Boot] [PATCH V4 10/17] usb: gadget: mv_udc: optimize bounce

Marek Vasut marex at denx.de
Fri Sep 20 12:58:00 CEST 2013


Dear Troy Kisky,

> Only perform one copy, either in the bounce
> routine for IN transfers, or the debounce
> rtn for OUT transfer.
> 
> On out transfers, only copy the number
> of bytes received from the bounce buffer
> 
> Signed-off-by: Troy Kisky <troy.kisky at boundarydevices.com>
> 
> ---
> v4: no change

Just a question here. Are you sure we never Send AND Reserve the data in one 
turn? Because that would need two copyings.

Best regards,
Marek Vasut


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