linux-kernel - Re: [PATCH v2] drivers/pinctrl: grab default handles from device core

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Date:	Thu, 17 Jan 2013 09:30:19 -0700
From:	Stephen Warren <swarren@...dotorg.org>
To:	Linus Walleij <linus.walleij@...aro.org>
CC:	Simon Horman <horms@...ge.net.au>,
	Stephen Rothwell <sfr@...b.auug.org.au>,
	Laurent Pinchart <laurent.pinchart@...asonboard.com>,
	Greg KH <gregkh@...uxfoundation.org>,
	Laurent Pinchart <laurent.pinchart+renesas@...asonboard.com>,
	Linus Walleij <linus.walleij@...ricsson.com>,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>,
	Kevin Hilman <khilman@...com>,
	Ulf Hansson <ulf.hansson@...aro.org>,
	Mark Brown <broonie@...nsource.wolfsonmicro.com>,
	Russell King <linux@....linux.org.uk>,
	Benoit Cousson <b-cousson@...com>,
	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Felipe Balbi <balbi@...com>,
	Rickard Andersson <rickard.andersson@...ricsson.com>,
	"Rafael J. Wysocki" <rjw@...k.pl>,
	Mitch Bradley <wmb@...mworks.com>,
	Jean-Christophe PLAGNIOL-VILLARD <plagnioj@...osoft.com>,
	linux-next@...r.kernel.org
Subject: Re: [PATCH v2] drivers/pinctrl: grab default handles from device
 core

On 01/16/2013 05:59 PM, Linus Walleij wrote:
> On Wed, Jan 16, 2013 at 6:49 PM, Stephen Warren <swarren@...dotorg.org> wrote:
> 
>> Hmm. It's causing a lot of engineers here a lot of trouble, since they
>> all see linux-next won't boot, and haven't been paying enough attention
>> to know which commit to revert:-(. Lots of lost productivity:-(
>>
>> Simon, the offending commit:
>>
>> 6d3ef6b drivers/pinctrl: grab default handles from device core
>>
>> is still in next-20130116. Can you please remove it?
> 
> Not that this should be in the SH tree, but I have merged your fix
> to the pinctrl tree and it should be in -next, does it fix the problem?

There were two problems; one was the issues handling hogs during DT->map
conversion, for which you applied a patch. The other was the crashes due
to incorrect devm_* usage and interactions with -EPROBE_DEFER in the
patch which Simon applied, which requires that patch to be revised.

> Mainly asking because once Greg ACKs that patch I want to
> put it into the pinctrl tree...
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