Re: [PATCH v3 19/31] clk: mediatek: Add mtk_clk_simple_remove()

Chun-Jie Chen
2022-02-15T06:38:06Z

On Tue, 2022-02-08 at 20:40 +0800, Chen-Yu Tsai wrote:
> In commit c58cd0e40ffa ("clk: mediatek: Add mtk_clk_simple_probe() to
> simplify clock providers"), a generic probe function was added to
> simplify clk drivers that only needed to support clk gates. However
> due
> to the lack of unregister APIs, a corresponding remove function was
> not
> added.
>
> Now that the unregister APIs have been implemented, add
> aforementioned
> remove function to make it complete.
>
> Signed-off-by: Chen-Yu Tsai <wenst@chromium.org>
> Reviewed-by: Miles Chen <miles.chen@mediatek.com>
> Reviewed-by: AngeloGioacchino Del Regno <
> angelogioacchino.delregno@collabora.com>

Reviewed-by: Chun-Jie Chen <chun-jie.chen@mediatek.com>
> ---
> drivers/clk/mediatek/clk-mtk.c | 15 +++++++++++++++
> drivers/clk/mediatek/clk-mtk.h | 1 +
> 2 files changed, 16 insertions(+)
>
> diff --git a/drivers/clk/mediatek/clk-mtk.c
> b/drivers/clk/mediatek/clk-mtk.c
> index 869e6ae55c82..f108786caeda 100644
> --- a/drivers/clk/mediatek/clk-mtk.c
> +++ b/drivers/clk/mediatek/clk-mtk.c
> @@ -374,6 +374,8 @@ int mtk_clk_simple_probe(struct platform_device
> *pdev)
> if (r)
> goto free_data;
>
> + platform_set_drvdata(pdev, clk_data);
> +
> return r;
>
> free_data:
> @@ -381,4 +383,17 @@ int mtk_clk_simple_probe(struct platform_device
> *pdev)
> return r;
> }
>
> +int mtk_clk_simple_remove(struct platform_device *pdev)
> +{
> + const struct mtk_clk_desc *mcd =
> of_device_get_match_data(&pdev->dev);
> + struct clk_onecell_data *clk_data = platform_get_drvdata(pdev);
> + struct device_node *node = pdev->dev.of_node;
> +
> + of_clk_del_provider(node);
> + mtk_clk_unregister_gates(mcd->clks, mcd->num_clks, clk_data);
> + mtk_free_clk_data(clk_data);
> +
> + return 0;
> +}
> +
> MODULE_LICENSE("GPL");
> diff --git a/drivers/clk/mediatek/clk-mtk.h
> b/drivers/clk/mediatek/clk-mtk.h
> index 3c3a934f53cd..4fa658f5d934 100644
> --- a/drivers/clk/mediatek/clk-mtk.h
> +++ b/drivers/clk/mediatek/clk-mtk.h
> @@ -202,5 +202,6 @@ struct mtk_clk_desc {
> };
>
> int mtk_clk_simple_probe(struct platform_device *pdev);
> +int mtk_clk_simple_remove(struct platform_device *pdev);
>
> #endif /* __DRV_CLK_MTK_H */