linux-kernel - Re: [PATCH] gpio-sch: Allow for more than 8 lines in the resume well

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Date:	Wed, 27 Mar 2013 09:05:37 -0700
From:	Darren Hart <dvhart@...ux.intel.com>
To:	Linus Walleij <linus.walleij@...aro.org>
CC:	Seth Heasley <seth.heasley@...el.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	stable@...r.kernel.org, Grant Likely <grant.likely@...retlab.ca>
Subject: Re: [PATCH] gpio-sch: Allow for more than 8 lines in the resume well



On 03/27/2013 01:20 AM, Linus Walleij wrote:
> On Wed, Mar 6, 2013 at 10:49 PM, Darren Hart <dvhart@...ux.intel.com> wrote:
>
>> The E6xx (TunnelCreek) CPUs have 9 GPIO lines in the resume well. Update
>> the resume functions to allow for more than 8 GPIO lines, using the core
>> functions as a template.
>>
>> Cc: <stable@...r.kernel.org> # 3.4.x
>> Cc: <stable@...r.kernel.org> # 3.8.x
>> Cc: Grant Likely <grant.likely@...retlab.ca>
>> Cc: Linus Walleij <linus.walleij@...aro.org>
>> Signed-off-by: Darren Hart <dvhart@...ux.intel.com>
>
> I have applied this for next (v3.10)
>
> I cannot for my life figure out what kind of *regression* you are
> fixing so that it should go into fixes for the -rc:s or the two stable
> branches indicated above.

I apologize. This is not a regression, it has always been broken for the
TunnelCreek (which was added later). With only 8 bits for the resume well,
trying to read the 9th GPIO line always fails. I suspect it was just never
tested or needed until a board came along using it. As adding support
for new
systems is acceptable for stable, I felt this landed in that bucket, as
well as
the "obvious bug fix" bucket.


> I need a more verbose commit message with descriptions of
> user-percieved problems on deployed systems that for that.


Would you like me to resubmit with a more verbose commit message? Happy
to do so.


> BTW: are you interested in adding yourself as mainatiner of
> this driver in the MAINTAINERS file Darren?

That might make sense. I'm doing a lot of TunnelCreek driver fixes for
the MinnowBoard. If that would be helpful, I'm willing.

Thanks,

-- 
Darren Hart
Intel Open Source Technology Center
Yocto Project - Technical Lead - Linux Kernel
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