linux-kernel - Re: v3.11-rc1 USB regressions

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Message-ID: <51E5913D.3080205@gmail.com>
Date:	Tue, 16 Jul 2013 20:30:21 +0200
From:	Daniel Mack <zonque@...il.com>
To:	Aaro Koskinen <aaro.koskinen@....fi>
CC:	Felipe Balbi <balbi@...com>,
	Kishon Vijay Abraham I <kishon@...com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	linux-usb@...r.kernel.org, linux-omap@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: v3.11-rc1 USB regressions

On 16.07.2013 20:26, Aaro Koskinen wrote:
> Hi,
> 
> On Tue, Jul 16, 2013 at 11:22:47AM +0300, Felipe Balbi wrote:
>>> On Tue, Jul 16, 2013 at 12:30:00PM +0530, Kishon Vijay Abraham I wrote:
>>>> On Tuesday 16 July 2013 12:03 PM, Daniel Mack wrote:
>>>>> Hi Aaro,
>>>>>
>>>>> On 16.07.2013 00:56, Aaro Koskinen wrote:
>>>>>> Hi,
>>>>>>
>>>>>> I think USB tree introduced regressions in v3.11-rc1, at least for some
>>>>>> OMAP devices using legacy boot.
>>>>>
>>>>> Thanks for checking the tree so early.
>>>>>
>>>>>> I have only bisected these; I have no
>>>>>> idea what the real fixes are but the following reverts make Nokia OMAP2+
>>>>>> boards again usable for kernel development work (they need working USB
>>>>>> connection for interacting with the device):
>>>>>>
>>>>>> 1) USB peripheral mode (g_ether) is broken on Nokia N900, N950 and N9
>>>>>>    (USB_MUSB_OMAP2PLUS). To make it it work, I need to revert three
>>>>>>    commits:
>>>>>>
>>>>>> 	09fc7d22b024692b2fe8a943b246de1af307132b
>>>>>> 	usb: musb: fix incorrect usage of resource pointer
>>>>>> 	(Reverting this fixes the g_ether probe failure "couldn't find
>>>>>> 	 an available UDC")
>>>>
>>>> I've posted a patch fixing the issue
>>>> http://comments.gmane.org/gmane.linux.usb.general/89541
>>>> There were some comments on it. I'll be posting a new version for it.
>>>
>>> hmm, n8x0 used tusb6010, so perhaps a similar patch needs to be cooked
>>> for that too. Right now, let's to the minimum fix, which is just to
>>> increment the array size to 3 and for v3.12 we do the changes that I
>>> suggested.
>>
>> this should solve the problem on n900 and n8x0, it's pretty much
>> kishon's original patch, so I guess it deserves his authorship:
> 
> Thanks, and yes it fixes this issue. I tested both N900 and N800, so
> feel free to add my Tested-by.

Together with my patch I take it? Does your Tested-by apply to this one
as well?


Thanks,
Daniel

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