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This helps prevent mistakes like unregistering out of order in cleanup functions and forgetting to unregister on error paths. Signed-off-by: Andrew Davis --- drivers/soc/mediatek/mtk-socinfo.c | 17 ++++------------- 1 file changed, 4 insertions(+), 13 deletions(-) diff --git a/drivers/soc/mediatek/mtk-socinfo.c b/drivers/soc/mediatek/mtk-socinfo.c index cd14706c2f28a..7bee9c04293ac 100644 --- a/drivers/soc/mediatek/mtk-socinfo.c +++ b/drivers/soc/mediatek/mtk-socinfo.c @@ -30,7 +30,6 @@ struct mtk_socinfo { struct device *dev; struct name_data *name_data; struct socinfo_data *socinfo_data; - struct soc_device *soc_dev; }; struct socinfo_data { @@ -71,6 +70,7 @@ static int mtk_socinfo_create_socinfo_node(struct mtk_socinfo *mtk_socinfop) struct soc_device_attribute *attrs; struct socinfo_data *data = mtk_socinfop->socinfo_data; static const char *soc_manufacturer = "MediaTek"; + struct soc_device *soc_dev; attrs = devm_kzalloc_obj(mtk_socinfop->dev, *attrs); if (!attrs) @@ -91,9 +91,9 @@ static int mtk_socinfo_create_socinfo_node(struct mtk_socinfo *mtk_socinfop) * name from board DTS (if available). **/ - mtk_socinfop->soc_dev = soc_device_register(attrs); - if (IS_ERR(mtk_socinfop->soc_dev)) - return PTR_ERR(mtk_socinfop->soc_dev); + soc_dev = devm_soc_device_register(mtk_socinfop->dev, attrs); + if (IS_ERR(soc_dev)) + return PTR_ERR(soc_dev); dev_info(mtk_socinfop->dev, "%s (%s) SoC detected.\n", attrs->family, attrs->soc_id); return 0; @@ -191,20 +191,11 @@ static int mtk_socinfo_probe(struct platform_device *pdev) if (ret) return dev_err_probe(mtk_socinfop->dev, ret, "Cannot create node\n"); - platform_set_drvdata(pdev, mtk_socinfop); return 0; } -static void mtk_socinfo_remove(struct platform_device *pdev) -{ - struct mtk_socinfo *mtk_socinfop = platform_get_drvdata(pdev); - - soc_device_unregister(mtk_socinfop->soc_dev); -} - static struct platform_driver mtk_socinfo = { .probe = mtk_socinfo_probe, - .remove = mtk_socinfo_remove, .driver = { .name = "mtk-socinfo", }, -- 2.43.0