linux-kernel - [PATCH 12/12] thermal/drivers/generic-adc: simplify with dev_err

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Message-Id: <20240709-thermal-probe-v1-12-241644e2b6e0@linaro.org>
Date: Tue, 09 Jul 2024 14:59:42 +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 12/12] thermal/drivers/generic-adc: simplify with
 dev_err_probe()

Error handling in probe() can be a bit simpler with dev_err_probe().

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
---
 drivers/thermal/thermal-generic-adc.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/drivers/thermal/thermal-generic-adc.c b/drivers/thermal/thermal-generic-adc.c
index d08bff91ac3d..ee3d0aa31406 100644
--- a/drivers/thermal/thermal-generic-adc.c
+++ b/drivers/thermal/thermal-generic-adc.c
@@ -131,12 +131,8 @@ static int gadc_thermal_probe(struct platform_device *pdev)
 		return -ENOMEM;

 	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(dev, "IIO channel not found: %d\n", ret);
-		return ret;
-	}
+	if (IS_ERR(gti->channel))
+		return dev_err_probe(dev, PTR_ERR(gti->channel), "IIO channel not found\n");

 	ret = gadc_thermal_read_linear_lookup_table(dev, gti);
 	if (ret < 0)

-- 
2.43.0