Re: [PATCH v2 2/4] clk / soc: mediatek: Bind clock and gpu driver for mt2712

[Matthias Brugger <mbrugger@suse.com>]

Hi Stephen,

On 01/04/2020 22:17, Enric Balletbo i Serra wrote:
> Now that the mmsys driver is the top-level entry point for the
> multimedia subsystem, we could bind the clock and the gpu driver on
> those devices that is expected to work, so the drm driver is
> intantiated by the mmsys driver and display, hopefully, working again on
> those devices.
> 
> Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
> Reviewed-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>

I'm happy to take this through my tree if you provide a Acked-by/Reviewed-by

Sounds good to you?

Regards,
Matthias

> ---
> If you have this hardware, please kindly provide your tested tag. Only
> build tested.
> 
> Changes in v2:
> - Remove of_match_table
> 
>  drivers/clk/mediatek/clk-mt2712-mm.c | 9 ++-------
>  drivers/soc/mediatek/mtk-mmsys.c     | 8 ++++++++
>  2 files changed, 10 insertions(+), 7 deletions(-)
> 
> diff --git a/drivers/clk/mediatek/clk-mt2712-mm.c b/drivers/clk/mediatek/clk-mt2712-mm.c
> index 1c5948be35f3..5519c3d68c1f 100644
> --- a/drivers/clk/mediatek/clk-mt2712-mm.c
> +++ b/drivers/clk/mediatek/clk-mt2712-mm.c
> @@ -128,9 +128,10 @@ static const struct mtk_gate mm_clks[] = {
>  
>  static int clk_mt2712_mm_probe(struct platform_device *pdev)
>  {
> +	struct device *dev = &pdev->dev;
> +	struct device_node *node = dev->parent->of_node;
>  	struct clk_onecell_data *clk_data;
>  	int r;
> -	struct device_node *node = pdev->dev.of_node;
>  
>  	clk_data = mtk_alloc_clk_data(CLK_MM_NR_CLK);
>  
> @@ -146,16 +147,10 @@ static int clk_mt2712_mm_probe(struct platform_device *pdev)
>  	return r;
>  }
>  
> -static const struct of_device_id of_match_clk_mt2712_mm[] = {
> -	{ .compatible = "mediatek,mt2712-mmsys", },
> -	{}
> -};
> -
>  static struct platform_driver clk_mt2712_mm_drv = {
>  	.probe = clk_mt2712_mm_probe,
>  	.driver = {
>  		.name = "clk-mt2712-mm",
> -		.of_match_table = of_match_clk_mt2712_mm,
>  	},
>  };
>  
> diff --git a/drivers/soc/mediatek/mtk-mmsys.c b/drivers/soc/mediatek/mtk-mmsys.c
> index 05e322c9c301..c7d3b7bcfa32 100644
> --- a/drivers/soc/mediatek/mtk-mmsys.c
> +++ b/drivers/soc/mediatek/mtk-mmsys.c
> @@ -80,6 +80,10 @@ struct mtk_mmsys_driver_data {
>  	const char *clk_driver;
>  };
>  
> +static const struct mtk_mmsys_driver_data mt2712_mmsys_driver_data = {
> +	.clk_driver = "clk-mt2712-mm",
> +};
> +
>  static const struct mtk_mmsys_driver_data mt8173_mmsys_driver_data = {
>  	.clk_driver = "clk-mt8173-mm",
>  };
> @@ -319,6 +323,10 @@ static int mtk_mmsys_probe(struct platform_device *pdev)
>  }
>  
>  static const struct of_device_id of_match_mtk_mmsys[] = {
> +	{
> +		.compatible = "mediatek,mt2712-mmsys",
> +		.data = &mt2712_mmsys_driver_data,
> +	},
>  	{
>  		.compatible = "mediatek,mt8173-mmsys",
>  		.data = &mt8173_mmsys_driver_data,
> 

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