linux-kernel - [PATCH v5 2/6] iio: adc: mcp3911: make use of dev_err

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Date:   Mon, 14 Aug 2023 14:10:06 +0200
From:   Marcus Folkesson <marcus.folkesson@...il.com>
To:     Marcus Folkesson <marcus.folkesson@...il.com>,
        Kent Gustavsson <kent@...oris.se>,
        Jonathan Cameron <jic23@...nel.org>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Cosmin Tanislav <demonsingur@...il.com>,
        Arnd Bergmann <arnd@...db.de>,
        ChiYuan Huang <cy_huang@...htek.com>,
        Haibo Chen <haibo.chen@....com>,
        Ramona Bolboaca <ramona.bolboaca@...log.com>,
        Ibrahim Tilki <Ibrahim.Tilki@...log.com>,
        ChiaEn Wu <chiaen_wu@...htek.com>,
        William Breathitt Gray <william.gray@...aro.org>
Cc:     linux-iio@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH v5 2/6] iio: adc: mcp3911: make use of dev_err_probe()

Simplify code by switch to dev_err_probe().

Suggested-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Signed-off-by: Marcus Folkesson <marcus.folkesson@...il.com>
---

Notes:
    v5:
        - New patch in this series

 drivers/iio/adc/mcp3911.c | 11 +++--------
 1 file changed, 3 insertions(+), 8 deletions(-)

diff --git a/drivers/iio/adc/mcp3911.c b/drivers/iio/adc/mcp3911.c
index 974c5bd923a6..681248a3ddde 100644
--- a/drivers/iio/adc/mcp3911.c
+++ b/drivers/iio/adc/mcp3911.c
@@ -468,6 +468,7 @@ static int mcp3911_probe(struct spi_device *spi)
 {
 	struct iio_dev *indio_dev;
 	struct mcp3911 *adc;
+	struct device *dev = &spi->dev;
 	int ret;
 
 	indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*adc));
@@ -482,10 +483,7 @@ static int mcp3911_probe(struct spi_device *spi)
 		if (PTR_ERR(adc->vref) == -ENODEV) {
 			adc->vref = NULL;
 		} else {
-			dev_err(&adc->spi->dev,
-				"failed to get regulator (%ld)\n",
-				PTR_ERR(adc->vref));
-			return PTR_ERR(adc->vref);
+			return dev_err_probe(dev, PTR_ERR(adc->vref), "failed to get regulator\n");
 		}
 
 	} else {
@@ -504,10 +502,7 @@ static int mcp3911_probe(struct spi_device *spi)
 		if (PTR_ERR(adc->clki) == -ENOENT) {
 			adc->clki = NULL;
 		} else {
-			dev_err(&adc->spi->dev,
-				"failed to get adc clk (%ld)\n",
-				PTR_ERR(adc->clki));
-			return PTR_ERR(adc->clki);
+			return dev_err_probe(dev, PTR_ERR(adc->clki), "failed to get adc clk\n");
 		}
 	}
 
-- 
2.41.0