linux-kernel - Re: [PATCH 0/3] usb: chipidea: add one errata for revision 2.40a

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Date:	Mon, 22 Dec 2014 18:39:42 +0530
From:	Sanchayan Maity <maitysanchayan@...il.com>
To:	Peter Chen <peter.chen@...escale.com>
CC:	stefan@...er.ch, gregkh@...uxfoundation.org,
	linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/3] usb: chipidea: add one errata for revision 2.40a

On 12/22/2014 06:48 AM, Peter Chen wrote:
> On Fri, Dec 19, 2014 at 03:25:26PM +0530, Sanchayan Maity wrote:
>> The first two patches add identification register API's. These can
>> be used to get controller's revision. 
>>
>> The third patch implements an errata for revision 2.40a. Not sure
>> which other SOCs implement this version of the Chipidea core but
>> this fixes the usb client issue observed on Vybrids. The patch was
>> tested on a Toradex Colibri VF61 module with the 3.18 kernel. iperf
>> tests ran for three hours plus, with these patches applied have found
>> the USB client connection to be now reliable.
> 
> Would you help do a overnight test? It is passed, I will queue them,
> thanks.

Yes definitely I can help with the testing. Are you looking for iperf
tests only or something else? iperf tests running for 12 or 24 hours 
will do? I will need a bit of time to set things up here, as I am away
from work, but, ya I will do them. 

-Regards,
Sanchayan.
> 
> Peter
>>
>> This patchset is based off on Shawn Guo's for-next branch
>> https://git.kernel.org/cgit/linux/kernel/git/shawnguo/linux.git/tree/?h=for-next
>>
>> The credit for the patches and fix goes to Matthieu Castet and Peter Chen.
>> First two patches are by Peter Chen and the third patch which fixed the
>> bug we observed was reported by Matthieu Castet.
>>
>> The discussion of the problem and the relevant testing details can be found
>> at this link: http://www.spinics.net/lists/linux-usb/msg118544.html
>>
>> The first version of this patchset originally send by Peter Chen can be
>> found at this link: http://www.spinics.net/lists/linux-usb/msg118753.html
>>
>> Comments for review are welcome :).
>> Note: I am going on a vacation so will not be able to reply or do any further
>> tests till Monday. Will attend and take care of any comments/requests for 
>> further changes/testing from Tuesday. Apologize for the delay in advance.
>>
>> Sanchayan Maity (3):
>>   usb: chipidea: Add identification registers access APIs
>>   usb: chipidea: Add chipidea revision information
>>   usb: chipidea: Add errata for revision 2.40a
>>
>>  drivers/usb/chipidea/bits.h |   10 ++++++++
>>  drivers/usb/chipidea/ci.h   |   53 +++++++++++++++++++++++++++++++++++++++++++
>>  drivers/usb/chipidea/core.c |   23 +++++++++++++++++--
>>  drivers/usb/chipidea/udc.c  |   20 ++++++++++++++++
>>  4 files changed, 104 insertions(+), 2 deletions(-)
>>
>> -- 
>> 1.7.9.5
>>
> 
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