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

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Message-ID: <20130619081859.GA22998@laptop>
Date:	Wed, 19 Jun 2013 09:18:59 +0100
From:	Lee Jones <lee.jones@...aro.org>
To:	Tuomas Tynkkynen <ttynkkynen@...dia.com>
Cc:	Samuel Ortiz <sameo@...ux.intel.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

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.

-- 
Lee Jones
Linaro ST-Ericsson Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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