linux-kernel - [PATCH v3 10/18] iio: amplifiers: hmc425a: Simplify with dev_err

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Date:   Sat, 29 Aug 2020 08:47:18 +0200
From:   Krzysztof Kozlowski <krzk@...nel.org>
To:     Jonathan Cameron <jic23@...nel.org>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Peter Meerwald-Stadler <pmeerw@...erw.net>,
        Peter Rosin <peda@...ntia.se>,
        Michael Hennerich <Michael.Hennerich@...log.com>,
        Marek Vasut <marek.vasut@...il.com>,
        Tomasz Duszynski <tomasz.duszynski@...akon.com>,
        linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-samsung-soc@...r.kernel.org,
        linux-amlogic@...ts.infradead.org,
        linux-stm32@...md-mailman.stormreply.com
Cc:     Andy Shevchenko <andy.shevchenko@...il.com>,
        Krzysztof Kozlowski <krzk@...nel.org>
Subject: [PATCH v3 10/18] iio: amplifiers: hmc425a: Simplify with dev_err_probe()

Common pattern of handling deferred probe can be simplified with
dev_err_probe().  Less code and also it prints the error value.

Signed-off-by: Krzysztof Kozlowski <krzk@...nel.org>
Reviewed-by: Andy Shevchenko <andy.shevchenko@...il.com>

---

Changes since v2:
1. Wrap dev_err_probe() lines at 80 character

Changes since v1:
1. Wrap dev_err_probe() lines at 100 character
---
 drivers/iio/amplifiers/hmc425a.c | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/drivers/iio/amplifiers/hmc425a.c b/drivers/iio/amplifiers/hmc425a.c
index 582708924e4f..9efa692151f0 100644
--- a/drivers/iio/amplifiers/hmc425a.c
+++ b/drivers/iio/amplifiers/hmc425a.c
@@ -201,12 +201,9 @@ static int hmc425a_probe(struct platform_device *pdev)
 	st->gain = st->chip_info->default_gain;
 
 	st->gpios = devm_gpiod_get_array(&pdev->dev, "ctrl", GPIOD_OUT_LOW);
-	if (IS_ERR(st->gpios)) {
-		ret = PTR_ERR(st->gpios);
-		if (ret != -EPROBE_DEFER)
-			dev_err(&pdev->dev, "failed to get gpios\n");
-		return ret;
-	}
+	if (IS_ERR(st->gpios))
+		return dev_err_probe(&pdev->dev, PTR_ERR(st->gpios),
+				     "failed to get gpios\n");
 
 	if (st->gpios->ndescs != st->chip_info->num_gpios) {
 		dev_err(&pdev->dev, "%d GPIOs needed to operate\n",
-- 
2.17.1