[PATCH v3 3/3] nvmem: mtk-efuse: Modify driver for getting chip information

From: William-tw Lin
Date: Wed Dec 20 2023 - 05:41:07 EST


Retrieval of soc info is needed. This patch includes the following:
1. Register socinfo device in mtk-efuse.c

Signed-off-by: William-tw Lin <william-tw.lin@xxxxxxxxxxxx>
---
drivers/nvmem/mtk-efuse.c | 11 ++++++++++-
1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/drivers/nvmem/mtk-efuse.c b/drivers/nvmem/mtk-efuse.c
index 84f05b40a411..3914e039e288 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)
@@ -85,11 +86,19 @@ static int mtk_efuse_probe(struct platform_device *pdev)
econfig.size = resource_size(res);
econfig.priv = priv;
econfig.dev = dev;
+ econfig.name = "mtk-efuse";
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");
+
+ return 0;
}

static const struct mtk_efuse_pdata mtk_mt8186_efuse_pdata = {
--
2.18.0