linux-kernel - [PATCH 02/11] soc: samsung: exynos-chipid: use a local dev variable

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Message-Id: <20251031-gs101-chipid-v1-2-d78d1076b210@linaro.org>
Date: Fri, 31 Oct 2025 12:56:01 +0000
From: Tudor Ambarus <tudor.ambarus@...aro.org>
To: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Alim Akhtar <alim.akhtar@...sung.com>, 
 Peter Griffin <peter.griffin@...aro.org>, 
 André Draszik <andre.draszik@...aro.org>
Cc: Krzysztof Kozlowski <krzk@...nel.org>, semen.protsenko@...aro.org, 
 willmcvicker@...gle.com, kernel-team@...roid.com, 
 devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, 
 linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org, 
 Tudor Ambarus <tudor.ambarus@...aro.org>
Subject: [PATCH 02/11] soc: samsung: exynos-chipid: use a local dev
 variable

Use a local variable for struct device to avoid dereferencing.

Signed-off-by: Tudor Ambarus <tudor.ambarus@...aro.org>
---
 drivers/soc/samsung/exynos-chipid.c | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/drivers/soc/samsung/exynos-chipid.c b/drivers/soc/samsung/exynos-chipid.c
index 0f9f83a006795df08dae556ef37c2b78bd599ef5..d3b4b5508e0c808ee9f7b0039073ef57915d60fc 100644
--- a/drivers/soc/samsung/exynos-chipid.c
+++ b/drivers/soc/samsung/exynos-chipid.c
@@ -109,16 +109,17 @@ static int exynos_chipid_probe(struct platform_device *pdev)
 	const struct exynos_chipid_variant *drv_data;
 	struct exynos_chipid_info soc_info;
 	struct soc_device_attribute *soc_dev_attr;
+	struct device *dev = &pdev->dev;
 	struct soc_device *soc_dev;
 	struct device_node *root;
 	struct regmap *regmap;
 	int ret;
 
-	drv_data = of_device_get_match_data(&pdev->dev);
+	drv_data = of_device_get_match_data(dev);
 	if (!drv_data)
 		return -EINVAL;
 
-	regmap = device_node_to_regmap(pdev->dev.of_node);
+	regmap = device_node_to_regmap(dev->of_node);
 	if (IS_ERR(regmap))
 		return PTR_ERR(regmap);
 
@@ -126,8 +127,7 @@ static int exynos_chipid_probe(struct platform_device *pdev)
 	if (ret < 0)
 		return ret;
 
-	soc_dev_attr = devm_kzalloc(&pdev->dev, sizeof(*soc_dev_attr),
-				    GFP_KERNEL);
+	soc_dev_attr = devm_kzalloc(dev, sizeof(*soc_dev_attr), GFP_KERNEL);
 	if (!soc_dev_attr)
 		return -ENOMEM;
 
@@ -137,8 +137,8 @@ static int exynos_chipid_probe(struct platform_device *pdev)
 	of_property_read_string(root, "model", &soc_dev_attr->machine);
 	of_node_put(root);
 
-	soc_dev_attr->revision = devm_kasprintf(&pdev->dev, GFP_KERNEL,
-						"%x", soc_info.revision);
+	soc_dev_attr->revision = devm_kasprintf(dev, GFP_KERNEL, "%x",
+						soc_info.revision);
 	if (!soc_dev_attr->revision)
 		return -ENOMEM;
 	soc_dev_attr->soc_id = product_id_to_soc_id(soc_info.product_id);
@@ -152,13 +152,13 @@ static int exynos_chipid_probe(struct platform_device *pdev)
 	if (IS_ERR(soc_dev))
 		return PTR_ERR(soc_dev);
 
-	ret = exynos_asv_init(&pdev->dev, regmap);
+	ret = exynos_asv_init(dev, regmap);
 	if (ret)
 		goto err;
 
 	platform_set_drvdata(pdev, soc_dev);
 
-	dev_info(&pdev->dev, "Exynos: CPU[%s] PRO_ID[0x%x] REV[0x%x] Detected\n",
+	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);
 
 	return 0;

-- 
2.51.1.930.gacf6e81ea2-goog