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[82.132.212.111]) by smtp.gmail.com with ESMTPSA id jp10-20020a170906f74a00b00a3e209b225asm517826ejb.43.2024.02.24.03.45.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 24 Feb 2024 03:45:42 -0800 (PST) From: srinivas.kandagatla@linaro.org To: gregkh@linuxfoundation.org Cc: linux-kernel@vger.kernel.org, William-tw Lin , AngeloGioacchino Del Regno , Srinivas Kandagatla Subject: [PATCH 02/11] nvmem: mtk-efuse: Register MediaTek socinfo driver from efuse Date: Sat, 24 Feb 2024 11:45:07 +0000 Message-Id: <20240224114516.86365-3-srinivas.kandagatla@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20240224114516.86365-1-srinivas.kandagatla@linaro.org> References: <20240224114516.86365-1-srinivas.kandagatla@linaro.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=2307; i=srinivas.kandagatla@linaro.org; h=from:subject; bh=0uQx/zVOu7lJjRsFUrqs5vdvlqNChuBmzKOHBVqwmHw=; b=owEBbQGS/pANAwAKAXqh/VnHNFU3AcsmYgBl2dbLCPgH0z3n6Nwl7UGuUwlXLwwHF2jW7zaWR nJx1N7na/yJATMEAAEKAB0WIQQi509axvzi9vce3Y16of1ZxzRVNwUCZdnWywAKCRB6of1ZxzRV Nz+iB/wLQma5Z4fdz3xVK6d3GaDGSS1AbIMORJFNFYcJFdiU3q63Ovqg8OiL9QtUtAvkcb2fpmE CaH1TPF5yTmT9PGGyiov/j2LXQtLAX3AayQbnNprpS1Hwgz5KbO5b3Urgzr+svsjYH03mK4SOo0 ck12eVJMGZkthzha5DoYU+Qt48/u3x4mQQfzaeWzUnYE9sbVtiBBqMB+swQdOvgaX+iZe/pZeUY VZmjH2GniXQqFOYtbzMwoIaiInSCyrlrdbCaOJOsf22GeMsEFy7XSh/zX72N4ra4IPdp8oGn8Wf EdUYtqdd1oTdcC5Ssa5iBdFAHyGVeEx+wGr+gY55Ocp0564w X-Developer-Key: i=srinivas.kandagatla@linaro.org; a=openpgp; fpr=ED6472765AB36EC43B3EF97AD77E3FC0562560D6 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: William-tw Lin 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: William-tw Lin Reviewed-by: AngeloGioacchino Del Regno Signed-off-by: Srinivas Kandagatla --- drivers/nvmem/mtk-efuse.c | 21 ++++++++++++++++++++- 1 file changed, 20 insertions(+), 1 deletion(-) diff --git a/drivers/nvmem/mtk-efuse.c b/drivers/nvmem/mtk-efuse.c index 84f05b40a411..f5bebcecf9bd 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 =3D {}; struct mtk_efuse_priv *priv; const struct mtk_efuse_pdata *pdata; + struct platform_device *socinfo; =20 priv =3D devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); if (!priv) @@ -85,11 +86,20 @@ static int mtk_efuse_probe(struct platform_device *pdev) econfig.size =3D resource_size(res); econfig.priv =3D priv; econfig.dev =3D dev; + econfig.name =3D "mtk-efuse"; if (pdata->uses_post_processing) econfig.fixup_dt_cell_info =3D &mtk_efuse_fixup_dt_cell_info; nvmem =3D devm_nvmem_register(dev, &econfig); + if (IS_ERR(nvmem)) + return PTR_ERR(nvmem); =20 - return PTR_ERR_OR_ZERO(nvmem); + socinfo =3D 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; } =20 static const struct mtk_efuse_pdata mtk_mt8186_efuse_pdata =3D { @@ -108,8 +118,17 @@ static const struct of_device_id mtk_efuse_of_match[] = =3D { }; MODULE_DEVICE_TABLE(of, mtk_efuse_of_match); =20 +static void mtk_efuse_remove(struct platform_device *pdev) +{ + struct platform_device *socinfo =3D platform_get_drvdata(pdev); + + if (!IS_ERR_OR_NULL(socinfo)) + platform_device_unregister(socinfo); +} + static struct platform_driver mtk_efuse_driver =3D { .probe =3D mtk_efuse_probe, + .remove_new =3D mtk_efuse_remove, .driver =3D { .name =3D "mediatek,efuse", .of_match_table =3D mtk_efuse_of_match, --=20 2.25.1