linux-kernel - [PATCH 1/5] iio: adc: aspeed: Simplify with dev_err

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Message-Id: <20251219-iio-dev-err-probe-v1-1-bd0fbc83c8a0@oss.qualcomm.com>
Date: Fri, 19 Dec 2025 15:31:50 +0100
From: Krzysztof Kozlowski <krzysztof.kozlowski@....qualcomm.com>
To: Jonathan Cameron <jic23@...nel.org>, David Lechner <dlechner@...libre.com>,
        Nuno Sá <nuno.sa@...log.com>,
        Andy Shevchenko <andy@...nel.org>, Joel Stanley <joel@....id.au>,
        Andrew Jeffery <andrew@...econstruct.com.au>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        Alim Akhtar <alim.akhtar@...sung.com>,
        Heiko Stuebner <heiko@...ech.de>, Orson Zhai <orsonzhai@...il.com>,
        Baolin Wang <baolin.wang@...ux.alibaba.com>,
        Chunyan Zhang <zhang.lyra@...il.com>
Cc: linux-iio@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-aspeed@...ts.ozlabs.org, linux-kernel@...r.kernel.org,
        linux-samsung-soc@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        linux-rockchip@...ts.infradead.org,
        Krzysztof Kozlowski <krzysztof.kozlowski@....qualcomm.com>
Subject: [PATCH 1/5] iio: adc: aspeed: Simplify with dev_err_probe

Use dev_err_probe() to make error code handling simpler and handle
deferred probe nicely (avoid spamming logs).

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@....qualcomm.com>
---
 drivers/iio/adc/aspeed_adc.c | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/drivers/iio/adc/aspeed_adc.c b/drivers/iio/adc/aspeed_adc.c
index bf2bfd6bdc41..1ae45fe90e6c 100644
--- a/drivers/iio/adc/aspeed_adc.c
+++ b/drivers/iio/adc/aspeed_adc.c
@@ -535,11 +535,10 @@ static int aspeed_adc_probe(struct platform_device *pdev)
 		return PTR_ERR(data->clk_scaler);
 
 	data->rst = devm_reset_control_get_shared(&pdev->dev, NULL);
-	if (IS_ERR(data->rst)) {
-		dev_err(&pdev->dev,
-			"invalid or missing reset controller device tree entry");
-		return PTR_ERR(data->rst);
-	}
+	if (IS_ERR(data->rst))
+		return dev_err_probe(&pdev->dev, PTR_ERR(data->rst),
+				     "invalid or missing reset controller device tree entry");
+
 	reset_control_deassert(data->rst);
 
 	ret = devm_add_action_or_reset(data->dev, aspeed_adc_reset_assert,

-- 
2.51.0