linux-kernel - Re: [PATCH v2 1/2] mfd: tps65910: Fix crash in i2c

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Message-ID: <20130619082740.GT7161@zurbaran>
Date:	Wed, 19 Jun 2013 10:27:40 +0200
From:	Samuel Ortiz <sameo@...ux.intel.com>
To:	Lee Jones <lee.jones@...aro.org>
Cc:	Tuomas Tynkkynen <ttynkkynen@...dia.com>,
	Mark Brown <broonie@...nel.org>,
	Wolfram Sang <wsa@...-dreams.de>, linux-tegra@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-i2c@...r.kernel.org,
	Linus Walleij <linus.walleij@...aro.org>
Subject: Re: [PATCH v2 1/2] mfd: tps65910: Fix crash in i2c_driver .probe

Hi Lee,

On Wed, Jun 19, 2013 at 09:18:59AM +0100, Lee Jones wrote:
> On Tue, 18 Jun 2013, Tuomas Tynkkynen wrote:
> 
> > Commit "i2c: core: make it possible to match a pure device tree driver"
> > changed semantics of the i2c probing for device tree devices.
> > Device tree probed devices now get a NULL i2c_device_id pointer.
> > This caused kernel panics due to NULL dereference.
> > 
> > Moves the of_match_device call from tps65910_parse_dt to .probe to
> > allow the chip type to be detected from device tree but with the
> > device parameters coming from platform data.
> > 
> > Signed-off-by: Tuomas Tynkkynen <ttynkkynen@...dia.com>
> 
> Applied with Stephen's Reviewed-by, thanks.
According to Wolfgang, this is not needed as he will revert the i2c
commits that are causing those crashes.
I would not take it for now.

Cheers,
Samuel.

-- 
Intel Open Source Technology Centre
http://oss.intel.com/
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