linux-kernel - Re: [PATCH v3] usb: xhci: Add support for URB_ZERO

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Date:	Fri, 03 Jul 2015 16:39:58 +0300
From:	Mathias Nyman <mathias.nyman@...ux.intel.com>
To:	Reyad Attiyat <reyad.attiyat@...il.com>,
	Mathias Nyman <mathias.nyman@...el.com>
CC:	linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3] usb: xhci: Add support for URB_ZERO_PACKET to bulk/sg
 transfers

On 02.07.2015 22:00, Reyad Attiyat wrote:
> This version of the patch changes last_trb varible name to
> last_trb_num and fixes code style. I have also added a td to the urb
> td array. This now gets prepared properl,y with prepare_transfer(),
> and is handled correctly when transferred and completed. It only calls
> the urb completion callback once as there is a check in finish_td() to
> ensure that all td's have been received.
> 
> If you think I should change anything else please let me know.
> 
> Thank you,
> Reyad Attiyat
> 
> On Thu, Jul 2, 2015 at 1:54 PM, Reyad Attiyat <reyad.attiyat@...il.com> wrote:
>> This commit checks for the URB_ZERO_PACKET flag and creates an extra
>> zero-length td if the urb transfer length is a multiple of the endpoint's
>> max packet length.
>>
>> Signed-off-by: Reyad Attiyat <reyad.attiyat@...il.com>
>> ---

Looks good, Thank you

I assume it works with your wireless card?

I'll go on a two weeks vacation starting now, but after that I'll 
send it forward. (it should go to usb-next and reach 4.3 kernel anyway)

-Mathias 
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