Re: [PATCH v4 2/2] drm: omap: Enable DT support for DMM

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On Tue, Oct 15, 2013 at 08:04:20AM +0100, Archit Taneja wrote:
> Enable use of DT for DMM/Tiler.
> 
> Originally worked on by Andy Gross <andygro@xxxxxxxxx>
> 
> Cc: Andy Gross <andygro@xxxxxxxxx>
> Cc: DRI Development <dri-devel@xxxxxxxxxxxxxxxxxxxxx>
> Signed-off-by: Archit Taneja <archit@xxxxxx>
> ---
>  drivers/gpu/drm/omapdrm/omap_dmm_tiler.c | 11 +++++++++++
>  1 file changed, 11 insertions(+)
> 
> diff --git a/drivers/gpu/drm/omapdrm/omap_dmm_tiler.c b/drivers/gpu/drm/omapdrm/omap_dmm_tiler.c
> index acf6678..59f17de 100644
> --- a/drivers/gpu/drm/omapdrm/omap_dmm_tiler.c
> +++ b/drivers/gpu/drm/omapdrm/omap_dmm_tiler.c
> @@ -968,12 +968,23 @@ static const struct dev_pm_ops omap_dmm_pm_ops = {
>  };
>  #endif
>  
> +#if defined(CONFIG_OF)
> +static const struct of_device_id dmm_of_match[] = {
> +	{ .compatible = "ti,omap4-dmm", },
> +	{ .compatible = "ti,omap5-dmm", },
> +	{},
> +};
> +#else
> +#define dmm_of_match NULL
> +#endif
> +
>  struct platform_driver omap_dmm_driver = {
>  	.probe = omap_dmm_probe,
>  	.remove = omap_dmm_remove,
>  	.driver = {
>  		.owner = THIS_MODULE,
>  		.name = DMM_DRIVER_NAME,
> +		.of_match_table = dmm_of_match,

If you use of_match_ptr(dmm_of_match) here you don't need the #else case above.

Thanks,
Mark.
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