On 25/06/13 04:56, Jingoo Han wrote:
> The driver core clears the driver data to NULL after device_release
> or on probe failure, since commit 0998d0631001288a5974afc0b2a5f568bcdecb4d
> (device-core: Ensure drvdata = NULL when no driver is bound).
> Thus, it is not needed to manually clear the device driver data to NULL.
> 
> Signed-off-by: Jingoo Han <jg1.han@samsung.com>
> Cc: Sylwester Nawrocki <sylvester.nawrocki@gmail.com>
> Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
> Acked-by: Shawn Guo <shawn.guo@linaro.org>
> Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>

I've added this to my fbdev-3.11 branch.

 Tomi