linux-kernel - Re: [PATCH] gpio: omap: fix irq triggering in smart-idle wakeup mode

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Date:	Fri, 15 Apr 2016 08:21:23 -0700
From:	santosh shilimkar <santosh.shilimkar@...cle.com>
To:	Grygorii Strashko <grygorii.strashko@...com>,
	Linus Walleij <linus.walleij@...aro.org>
Cc:	Alexandre Courbot <gnurou@...il.com>,
	Santosh Shilimkar <ssantosh@...nel.org>,
	Tony Lindgren <tony@...mide.com>, Sekhar Nori <nsekhar@...com>,
	Linux-OMAP <linux-omap@...r.kernel.org>,
	"linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Roger Quadros <rogerq@...com>
Subject: Re: [PATCH] gpio: omap: fix irq triggering in smart-idle wakeup mode

On 4/15/2016 2:26 AM, Grygorii Strashko wrote:
> On 04/15/2016 11:32 AM, Linus Walleij wrote:
>> On Tue, Apr 12, 2016 at 12:52 PM, Grygorii Strashko
>> <grygorii.strashko@...com> wrote:
>>
>>> Now GPIO IRQ loss is observed on dra7-evm after suspend/resume cycle
>> (...)
>>> Cc: Roger Quadros <rogerq@...com>
>>> Signed-off-by: Grygorii Strashko <grygorii.strashko@...com>
>>
>> Can I get some explicit ACK / Tested-by tags for this patch?
>
> Roger's promised to test it once suspend regression will be fixed
> for dra7-evm, probably next rc.
>
>>
>> Is it a serious regression that will need to go in as a fix and
>> tagged for stable?
>>
>
> This issue is here since 2012, so I think it's not very critical -
> It seems bits combination which causing the issue is rare.
>
> Regarding stable:
> 4.4 - good to have, simple merge conflict
> 4.1 - some merge resolution is required
> older kernel - it will be hard to backport it due to significant
> changes in omap gpio driver
>
> Santosh, Tony, do you want me to perform any additional actions regarding this patch?
>
This patch should be run across family of SOCs to make
sure wakeup works on all of those if not done already