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[104.155.83.17]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-42b53e7ae16sm32728666f8f.3.2025.11.18.05.56.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 18 Nov 2025 05:56:19 -0800 (PST) From: Tudor Ambarus Date: Tue, 18 Nov 2025 13:56:10 +0000 Subject: [PATCH v2 3/7] soc: samsung: exynos-chipid: use devm action to unregister soc device Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20251118-gs101-chipid-v2-3-e9f1e7460e35@linaro.org> References: <20251118-gs101-chipid-v2-0-e9f1e7460e35@linaro.org> In-Reply-To: <20251118-gs101-chipid-v2-0-e9f1e7460e35@linaro.org> To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Alim Akhtar , Peter Griffin , =?utf-8?q?Andr=C3=A9_Draszik?= , Srinivas Kandagatla Cc: Krzysztof Kozlowski , semen.protsenko@linaro.org, willmcvicker@google.com, kernel-team@android.com, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org, Tudor Ambarus X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1763474177; l=2261; i=tudor.ambarus@linaro.org; s=20241212; h=from:subject:message-id; bh=AYey41JluNvIXnVAMYRQRudvFDMHByFQlXtTmWlf5rA=; b=/BoUySuXF+LzGbF8Xi0BjukaCLCcgm542pIxGyPIv9c71vz9fpN2QT6L/bYOX6wdCuHw/i8BZ CmaqZLVmv3sDkYpUE5IuVIAml7k3WYlIgKtBidL/6Exyw7Ub0FBh/46 X-Developer-Key: i=tudor.ambarus@linaro.org; a=ed25519; pk=uQzE0NXo3dIjeowMTOPCpIiPHEz12IA/MbyzrZVh9WI= Simplify the unwinding of the soc device by using a devm action. Add the action before the exynos_asv_init() to avoid an explicit call to soc_device_unregister(). Signed-off-by: Tudor Ambarus --- drivers/soc/samsung/exynos-chipid.c | 27 +++++++++++---------------- 1 file changed, 11 insertions(+), 16 deletions(-) diff --git a/drivers/soc/samsung/exynos-chipid.c b/drivers/soc/samsung/exyn= os-chipid.c index 8904ffdaf9a6f6d069cc6af18a24dd00a2780892..db73dfad4e1b4fb001cb653bc8c= af8aa08d85f2d 100644 --- a/drivers/soc/samsung/exynos-chipid.c +++ b/drivers/soc/samsung/exynos-chipid.c @@ -145,6 +145,11 @@ static struct regmap *exynos_chipid_get_efuse_regmap(s= truct platform_device *pde return devm_regmap_init_mmio(&pdev->dev, base, ®_config); } =20 +static void exynos_chipid_unregister_soc(void *data) +{ + soc_device_unregister(data); +} + static int exynos_chipid_probe(struct platform_device *pdev) { const struct exynos_chipid_variant *drv_data; @@ -207,28 +212,19 @@ static int exynos_chipid_probe(struct platform_device= *pdev) if (IS_ERR(soc_dev)) return PTR_ERR(soc_dev); =20 - ret =3D exynos_asv_init(dev, regmap); + ret =3D devm_add_action_or_reset(dev, exynos_chipid_unregister_soc, + soc_dev); if (ret) - goto err; + return dev_err_probe(dev, ret, "failed to add devm action\n"); =20 - platform_set_drvdata(pdev, soc_dev); + ret =3D exynos_asv_init(dev, regmap); + if (ret) + return ret; =20 dev_info(dev, "Exynos: CPU[%s] PRO_ID[0x%x] REV[0x%x] Detected\n", soc_dev_attr->soc_id, soc_info.product_id, soc_info.revision); =20 return 0; - -err: - soc_device_unregister(soc_dev); - - return ret; -} - -static void exynos_chipid_remove(struct platform_device *pdev) -{ - struct soc_device *soc_dev =3D platform_get_drvdata(pdev); - - soc_device_unregister(soc_dev); } =20 static const struct exynos_chipid_variant exynos4210_chipid_drv_data =3D { @@ -270,7 +266,6 @@ static struct platform_driver exynos_chipid_driver =3D { .of_match_table =3D exynos_chipid_of_device_ids, }, .probe =3D exynos_chipid_probe, - .remove =3D exynos_chipid_remove, }; module_platform_driver(exynos_chipid_driver); =20 --=20 2.52.0.rc1.455.g30608eb744-goog