linux-kernel - [PATCH v3 16/27] Input: pixcir_i2c_ts

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Date:   Thu, 27 Aug 2020 20:58:18 +0200
From:   Krzysztof Kozlowski <krzk@...nel.org>
To:     Linus Walleij <linus.walleij@...aro.org>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Hans de Goede <hdegoede@...hat.com>,
        Bastien Nocera <hadess@...ess.net>,
        Sangwon Jee <jeesw@...fas.com>,
        Eugen Hristev <eugen.hristev@...rochip.com>,
        Andy Shevchenko <andy.shevchenko@...il.com>,
        linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-input@...r.kernel.org, platform-driver-x86@...r.kernel.org,
        clang-built-linux@...glegroups.com
Cc:     Krzysztof Kozlowski <krzk@...nel.org>
Subject: [PATCH v3 16/27] Input: pixcir_i2c_ts - 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: Hans de Goede <hdegoede@...hat.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@...il.com>
---
 drivers/input/touchscreen/pixcir_i2c_ts.c | 38 +++++++----------------
 1 file changed, 12 insertions(+), 26 deletions(-)

diff --git a/drivers/input/touchscreen/pixcir_i2c_ts.c b/drivers/input/touchscreen/pixcir_i2c_ts.c
index 9aa098577350..fb37567e2d7e 100644
--- a/drivers/input/touchscreen/pixcir_i2c_ts.c
+++ b/drivers/input/touchscreen/pixcir_i2c_ts.c
@@ -515,41 +515,27 @@ static int pixcir_i2c_ts_probe(struct i2c_client *client,
 	input_set_drvdata(input, tsdata);
 
 	tsdata->gpio_attb = devm_gpiod_get(dev, "attb", GPIOD_IN);
-	if (IS_ERR(tsdata->gpio_attb)) {
-		error = PTR_ERR(tsdata->gpio_attb);
-		if (error != -EPROBE_DEFER)
-			dev_err(dev, "Failed to request ATTB gpio: %d\n",
-				error);
-		return error;
-	}
+	if (IS_ERR(tsdata->gpio_attb))
+		return dev_err_probe(dev, PTR_ERR(tsdata->gpio_attb),
+				     "Failed to request ATTB gpio\n");
 
 	tsdata->gpio_reset = devm_gpiod_get_optional(dev, "reset",
 						     GPIOD_OUT_LOW);
-	if (IS_ERR(tsdata->gpio_reset)) {
-		error = PTR_ERR(tsdata->gpio_reset);
-		if (error != -EPROBE_DEFER)
-			dev_err(dev, "Failed to request RESET gpio: %d\n",
-				error);
-		return error;
-	}
+	if (IS_ERR(tsdata->gpio_reset))
+		return dev_err_probe(dev, PTR_ERR(tsdata->gpio_reset),
+				     "Failed to request RESET gpio\n");
 
 	tsdata->gpio_wake = devm_gpiod_get_optional(dev, "wake",
 						    GPIOD_OUT_HIGH);
-	if (IS_ERR(tsdata->gpio_wake)) {
-		error = PTR_ERR(tsdata->gpio_wake);
-		if (error != -EPROBE_DEFER)
-			dev_err(dev, "Failed to get wake gpio: %d\n", error);
-		return error;
-	}
+	if (IS_ERR(tsdata->gpio_wake))
+		return dev_err_probe(dev, PTR_ERR(tsdata->gpio_wake),
+				     "Failed to get wake gpio\n");
 
 	tsdata->gpio_enable = devm_gpiod_get_optional(dev, "enable",
 						      GPIOD_OUT_HIGH);
-	if (IS_ERR(tsdata->gpio_enable)) {
-		error = PTR_ERR(tsdata->gpio_enable);
-		if (error != -EPROBE_DEFER)
-			dev_err(dev, "Failed to get enable gpio: %d\n", error);
-		return error;
-	}
+	if (IS_ERR(tsdata->gpio_enable))
+		return dev_err_probe(dev, PTR_ERR(tsdata->gpio_enable),
+				     "Failed to get enable gpio\n");
 
 	if (tsdata->gpio_enable)
 		msleep(100);
-- 
2.17.1