linux-kernel - [PATCH 11/12] thermal/drivers/generic-adc: simplify probe() with local dev variable

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Message-Id: <20240709-thermal-probe-v1-11-241644e2b6e0@linaro.org>
Date: Tue, 09 Jul 2024 14:59:41 +0200
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: "Rafael J. Wysocki" <rafael@...nel.org>, 
 Daniel Lezcano <daniel.lezcano@...aro.org>, Zhang Rui <rui.zhang@...el.com>, 
 Lukasz Luba <lukasz.luba@....com>, 
 Florian Fainelli <florian.fainelli@...adcom.com>, 
 Ray Jui <rjui@...adcom.com>, Scott Branden <sbranden@...adcom.com>, 
 Broadcom internal kernel review list <bcm-kernel-feedback-list@...adcom.com>, 
 Bartlomiej Zolnierkiewicz <bzolnier@...il.com>, 
 Krzysztof Kozlowski <krzk@...nel.org>, 
 Alim Akhtar <alim.akhtar@...sung.com>, Shawn Guo <shawnguo@...nel.org>, 
 Sascha Hauer <s.hauer@...gutronix.de>, 
 Pengutronix Kernel Team <kernel@...gutronix.de>, 
 Fabio Estevam <festevam@...il.com>, Amit Kucheria <amitk@...nel.org>, 
 Thara Gopinath <thara.gopinath@...il.com>
Cc: linux-pm@...r.kernel.org, linux-rpi-kernel@...ts.infradead.org, 
 linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, 
 linux-samsung-soc@...r.kernel.org, imx@...ts.linux.dev, 
 linux-arm-msm@...r.kernel.org, 
 Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH 11/12] thermal/drivers/generic-adc: simplify probe() with
 local dev variable

Simplify the probe() function by using local 'dev' instead of
&pdev->dev.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
---
 drivers/thermal/thermal-generic-adc.c | 21 +++++++++++----------
 1 file changed, 11 insertions(+), 10 deletions(-)

diff --git a/drivers/thermal/thermal-generic-adc.c b/drivers/thermal/thermal-generic-adc.c
index 1717e4a19dcb..d08bff91ac3d 100644
--- a/drivers/thermal/thermal-generic-adc.c
+++ b/drivers/thermal/thermal-generic-adc.c
@@ -117,44 +117,45 @@ static int gadc_thermal_read_linear_lookup_table(struct device *dev,

 static int gadc_thermal_probe(struct platform_device *pdev)
 {
+	struct device *dev = &pdev->dev;
 	struct gadc_thermal_info *gti;
 	int ret;

-	if (!pdev->dev.of_node) {
-		dev_err(&pdev->dev, "Only DT based supported\n");
+	if (!dev->of_node) {
+		dev_err(dev, "Only DT based supported\n");
 		return -ENODEV;
 	}

-	gti = devm_kzalloc(&pdev->dev, sizeof(*gti), GFP_KERNEL);
+	gti = devm_kzalloc(dev, sizeof(*gti), GFP_KERNEL);
 	if (!gti)
 		return -ENOMEM;

-	gti->channel = devm_iio_channel_get(&pdev->dev, "sensor-channel");
+	gti->channel = devm_iio_channel_get(dev, "sensor-channel");
 	if (IS_ERR(gti->channel)) {
 		ret = PTR_ERR(gti->channel);
 		if (ret != -EPROBE_DEFER)
-			dev_err(&pdev->dev, "IIO channel not found: %d\n", ret);
+			dev_err(dev, "IIO channel not found: %d\n", ret);
 		return ret;
 	}

-	ret = gadc_thermal_read_linear_lookup_table(&pdev->dev, gti);
+	ret = gadc_thermal_read_linear_lookup_table(dev, gti);
 	if (ret < 0)
 		return ret;

-	gti->dev = &pdev->dev;
+	gti->dev = dev;

-	gti->tz_dev = devm_thermal_of_zone_register(&pdev->dev, 0, gti,
+	gti->tz_dev = devm_thermal_of_zone_register(dev, 0, gti,
 						    &gadc_thermal_ops);
 	if (IS_ERR(gti->tz_dev)) {
 		ret = PTR_ERR(gti->tz_dev);
 		if (ret != -EPROBE_DEFER)
-			dev_err(&pdev->dev,
+			dev_err(dev,
 				"Thermal zone sensor register failed: %d\n",
 				ret);
 		return ret;
 	}

-	devm_thermal_add_hwmon_sysfs(&pdev->dev, gti->tz_dev);
+	devm_thermal_add_hwmon_sysfs(dev, gti->tz_dev);

 	return 0;
 }

-- 
2.43.0