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

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Date:	Fri, 11 Jan 2013 21:36:10 +0100
From:	Laurent Pinchart <laurent.pinchart@...asonboard.com>
To:	Simon Horman <horms@...ge.net.au>
Cc:	Linus Walleij <linus.walleij@...aro.org>,
	Stephen Warren <swarren@...dotorg.org>,
	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

Hi Simon,

On Friday 11 January 2013 21:12:43 Linus Walleij wrote:
> On Thu, Jan 10, 2013 at 9:42 PM, Stephen Warren wrote:
> > On 12/12/2012 01:25 PM, Linus Walleij wrote:
> >> From: Linus Walleij <linus.walleij@...aro.org>
> >> 
> >> This makes the device core auto-grab the pinctrl handle and set
> >> the "default" (PINCTRL_STATE_DEFAULT) state for every device
> >> that is present in the device model right before probe. This will
> >> account for the lion's share of embedded silicon devcies.
> > 
> > There are quite a few problems with this patch, and they end up
> > completely breaking at least Tegra in next-20130110.
> 
> But I have not put this patch into linux-next.
> 
> I was still waiting for Greg to ACK it...
> 
> Apparently it was included in a pull request to the SH tree or something,
> Simon can you remove these patches for now, this patch needs to
> be elaborated on in the pinctrl tree first.

I've sent several patch series for the SH PFC (Pin Function Controller) to the 
linux-sh mailing list. One of the series included pinctrl core patches for 
easier testing, but I made it clear that they should *not* be pushed to 
mainline through the SH tree.

Actually the whole PFC series have been found out today by Guennadi 
Liakhovetski to be buggy. I will fix the problems and send a new version. In 
the meantime the pinmux-pinctrl and pinmux-dt series should not be pushed to 
mainline.

-- 
Regards,

Laurent Pinchart

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