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path: root/drivers/nvmem/mtk-efuse.c
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Diffstat (limited to 'drivers/nvmem/mtk-efuse.c')
-rw-r--r--drivers/nvmem/mtk-efuse.c20
1 files changed, 19 insertions, 1 deletions
diff --git a/drivers/nvmem/mtk-efuse.c b/drivers/nvmem/mtk-efuse.c
index 84f05b40a4..9caf046673 100644
--- a/drivers/nvmem/mtk-efuse.c
+++ b/drivers/nvmem/mtk-efuse.c
@@ -68,6 +68,7 @@ static int mtk_efuse_probe(struct platform_device *pdev)
struct nvmem_config econfig = {};
struct mtk_efuse_priv *priv;
const struct mtk_efuse_pdata *pdata;
+ struct platform_device *socinfo;
priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
if (!priv)
@@ -88,8 +89,16 @@ static int mtk_efuse_probe(struct platform_device *pdev)
if (pdata->uses_post_processing)
econfig.fixup_dt_cell_info = &mtk_efuse_fixup_dt_cell_info;
nvmem = devm_nvmem_register(dev, &econfig);
+ if (IS_ERR(nvmem))
+ return PTR_ERR(nvmem);
- return PTR_ERR_OR_ZERO(nvmem);
+ socinfo = platform_device_register_data(&pdev->dev, "mtk-socinfo",
+ PLATFORM_DEVID_AUTO, NULL, 0);
+ if (IS_ERR(socinfo))
+ dev_info(dev, "MediaTek SoC Information will be unavailable\n");
+
+ platform_set_drvdata(pdev, socinfo);
+ return 0;
}
static const struct mtk_efuse_pdata mtk_mt8186_efuse_pdata = {
@@ -108,8 +117,17 @@ static const struct of_device_id mtk_efuse_of_match[] = {
};
MODULE_DEVICE_TABLE(of, mtk_efuse_of_match);
+static void mtk_efuse_remove(struct platform_device *pdev)
+{
+ struct platform_device *socinfo = platform_get_drvdata(pdev);
+
+ if (!IS_ERR_OR_NULL(socinfo))
+ platform_device_unregister(socinfo);
+}
+
static struct platform_driver mtk_efuse_driver = {
.probe = mtk_efuse_probe,
+ .remove_new = mtk_efuse_remove,
.driver = {
.name = "mediatek,efuse",
.of_match_table = mtk_efuse_of_match,