Commit 998f0633 authored by William-tw Lin's avatar William-tw Lin Committed by Greg Kroah-Hartman
Browse files

nvmem: mtk-efuse: Register MediaTek socinfo driver from efuse 



The socinfo driver reads chip information from eFuses and does not need
any devicetree node. Register it from mtk-efuse.

While at it, also add the name for this driver's nvmem_config.

Signed-off-by: default avatarWilliam-tw Lin <william-tw.lin@mediatek.com>
Reviewed-by: default avatarAngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: default avatarSrinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20240224114516.86365-3-srinivas.kandagatla@linaro.org


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 508ecc78

drivers/nvmem/mtk-efuse.c

+20 −1
Original line number Diff line number Diff line
@@ -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 +86,20 @@ 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");



	platform_set_drvdata(pdev, socinfo);

	return 0;

}



static const struct mtk_efuse_pdata mtk_mt8186_efuse_pdata = {
@@ -108,8 +118,17 @@ 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,