linux-kernel - Re: Origen board hang with functionfs

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Message-ID: <CAHbNUh0U=vFXs7p5REPZ79DR+Pi4oAHkrQRD3sfY2e-infv4DQ@mail.gmail.com>
Date:	Sat, 23 Feb 2013 22:10:48 +0530
From:	Tushar Behera <tushar.behera@...aro.org>
To:	John Stultz <john.stultz@...aro.org>
Cc:	Kukjin Kim <kgene.kim@...sung.com>,
	Andrzej Pietrasiewicz <andrzej.p@...sung.com>,
	Sachin Kamat <sachin.kamat@...aro.org>,
	lkml <linux-kernel@...r.kernel.org>,
	Sebastian Andrzej Siewior <bigeasy@...utronix.de>
Subject: Re: Origen board hang with functionfs

On 22 February 2013 22:57, John Stultz <john.stultz@...aro.org> wrote:
>
> On 02/21/2013 10:55 PM, Tushar Behera wrote:
>>
>>
>> I think the issue is because of the USB phy regulators. LDO3 and LDO8
>> power the phy regulators for OTG and HOST. These regulators are disabled
>> in OTG probe whereas they are not handled at all in HOST driver. Keeping
>> these LDOs always active should solve the problem for the time being.
>>
>> I will follow-up with a patch shortly. But I am not sure if this patch
>> will be considered for mainline as board patches are not getting
>> accepted these days.
>
>
> So your patch worked great for me! Thanks for the analysis and the patch!
>
> In the above, do you mean board-patches aren't getting accepted since the
> 3.9 merge window is already open, or that folks aren't accepting board
> patches at all?
>

As the board file may eventually be removed within 1-2 kernel
releases, maintainers are
not very keen in accepting new board patches. I will check if the
issue persists with DT
based system and submit related patch after the merge window.

> thanks
> -john
>



--
Tushar Behera
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