linux-kernel - [PATCH 21/24] Input: silead - Simplify with dev_err

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Date:   Wed, 26 Aug 2020 20:17:03 +0200
From:   Krzysztof Kozlowski <krzk@...nel.org>
To:     Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Hans de Goede <hdegoede@...hat.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Bastien Nocera <hadess@...ess.net>,
        Sangwon Jee <jeesw@...fas.com>,
        Eugen Hristev <eugen.hristev@...rochip.com>,
        "Gustavo A. R. Silva" <gustavoars@...nel.org>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        linux-input@...r.kernel.org, linux-kernel@...r.kernel.org,
        platform-driver-x86@...r.kernel.org
Cc:     Krzysztof Kozlowski <krzk@...nel.org>
Subject: [PATCH 21/24] Input: silead - 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>
---
 drivers/input/touchscreen/silead.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/drivers/input/touchscreen/silead.c b/drivers/input/touchscreen/silead.c
index 8fa2f3b7cfd8..754debb4b2c4 100644
--- a/drivers/input/touchscreen/silead.c
+++ b/drivers/input/touchscreen/silead.c
@@ -512,11 +512,9 @@ static int silead_ts_probe(struct i2c_client *client,
 
 	/* Power GPIO pin */
 	data->gpio_power = devm_gpiod_get_optional(dev, "power", GPIOD_OUT_LOW);
-	if (IS_ERR(data->gpio_power)) {
-		if (PTR_ERR(data->gpio_power) != -EPROBE_DEFER)
-			dev_err(dev, "Shutdown GPIO request failed\n");
-		return PTR_ERR(data->gpio_power);
-	}
+	if (IS_ERR(data->gpio_power))
+		return dev_err_probe(dev, PTR_ERR(data->gpio_power),
+				     "Shutdown GPIO request failed\n");
 
 	error = silead_ts_setup(client);
 	if (error)
-- 
2.17.1