From 1ef3e78ac207d5194c18d2b75cb2119273816cb5 Mon Sep 17 00:00:00 2001 From: AngeloGioacchino Del Regno Date: Wed, 22 Feb 2023 10:42:45 +0100 Subject: [PATCH] soc: mediatek: mtk-mmsys: Add .remove() callback Add a .remove() callback to correctly unregister the multimedia clocks and DRM drivers. Signed-off-by: AngeloGioacchino Del Regno Reviewed-by: Chen-Yu Tsai Link: https://lore.kernel.org/r/20230222094253.23678-2-angelogioacchino.delregno@collabora.com Signed-off-by: Matthias Brugger --- drivers/soc/mediatek/mtk-mmsys.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/drivers/soc/mediatek/mtk-mmsys.c b/drivers/soc/mediatek/mtk-mmsys.c index fd2b37d451c87..6edada278a15f 100644 --- a/drivers/soc/mediatek/mtk-mmsys.c +++ b/drivers/soc/mediatek/mtk-mmsys.c @@ -121,6 +121,8 @@ static const struct mtk_mmsys_driver_data mt8365_mmsys_driver_data = { struct mtk_mmsys { void __iomem *regs; const struct mtk_mmsys_driver_data *data; + struct platform_device *clks_pdev; + struct platform_device *drm_pdev; spinlock_t lock; /* protects mmsys_sw_rst_b reg */ struct reset_controller_dev rcdev; struct cmdq_client_reg cmdq_base; @@ -386,6 +388,7 @@ static int mtk_mmsys_probe(struct platform_device *pdev) PLATFORM_DEVID_AUTO, NULL, 0); if (IS_ERR(clks)) return PTR_ERR(clks); + mmsys->clks_pdev = clks; if (mmsys->data->is_vppsys) goto out_probe_done; @@ -396,11 +399,22 @@ static int mtk_mmsys_probe(struct platform_device *pdev) platform_device_unregister(clks); return PTR_ERR(drm); } + mmsys->drm_pdev = drm; out_probe_done: return 0; } +static int mtk_mmsys_remove(struct platform_device *pdev) +{ + struct mtk_mmsys *mmsys = platform_get_drvdata(pdev); + + platform_device_unregister(mmsys->drm_pdev); + platform_device_unregister(mmsys->clks_pdev); + + return 0; +} + static const struct of_device_id of_match_mtk_mmsys[] = { { .compatible = "mediatek,mt2701-mmsys", @@ -475,6 +489,7 @@ static struct platform_driver mtk_mmsys_drv = { .of_match_table = of_match_mtk_mmsys, }, .probe = mtk_mmsys_probe, + .remove = mtk_mmsys_remove, }; static int __init mtk_mmsys_init(void) -- 2.30.2