linux-kernel - [PATCH v3 17/27] Input: raydium_i2c_ts

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Message-Id: <20200827185829.30096-18-krzk@kernel.org>
Date:   Thu, 27 Aug 2020 20:58:19 +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 17/27] Input: raydium_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/raydium_i2c_ts.c | 30 +++++++---------------
 1 file changed, 9 insertions(+), 21 deletions(-)

diff --git a/drivers/input/touchscreen/raydium_i2c_ts.c b/drivers/input/touchscreen/raydium_i2c_ts.c
index fe245439adee..4017775f6466 100644
--- a/drivers/input/touchscreen/raydium_i2c_ts.c
+++ b/drivers/input/touchscreen/raydium_i2c_ts.c
@@ -1015,32 +1015,20 @@ static int raydium_i2c_probe(struct i2c_client *client,
 	i2c_set_clientdata(client, ts);
 
 	ts->avdd = devm_regulator_get(&client->dev, "avdd");
-	if (IS_ERR(ts->avdd)) {
-		error = PTR_ERR(ts->avdd);
-		if (error != -EPROBE_DEFER)
-			dev_err(&client->dev,
-				"Failed to get 'avdd' regulator: %d\n", error);
-		return error;
-	}
+	if (IS_ERR(ts->avdd))
+		return dev_err_probe(&client->dev, PTR_ERR(ts->avdd),
+				     "Failed to get 'avdd' regulator\n");
 
 	ts->vccio = devm_regulator_get(&client->dev, "vccio");
-	if (IS_ERR(ts->vccio)) {
-		error = PTR_ERR(ts->vccio);
-		if (error != -EPROBE_DEFER)
-			dev_err(&client->dev,
-				"Failed to get 'vccio' regulator: %d\n", error);
-		return error;
-	}
+	if (IS_ERR(ts->vccio))
+		return dev_err_probe(&client->dev, PTR_ERR(ts->vccio),
+				     "Failed to get 'vccio' regulator\n");
 
 	ts->reset_gpio = devm_gpiod_get_optional(&client->dev, "reset",
 						 GPIOD_OUT_LOW);
-	if (IS_ERR(ts->reset_gpio)) {
-		error = PTR_ERR(ts->reset_gpio);
-		if (error != -EPROBE_DEFER)
-			dev_err(&client->dev,
-				"failed to get reset gpio: %d\n", error);
-		return error;
-	}
+	if (IS_ERR(ts->reset_gpio))
+		return dev_err_probe(&client->dev, PTR_ERR(ts->reset_gpio),
+				     "Failed to get reset gpio\n");
 
 	error = raydium_i2c_power_on(ts);
 	if (error)
-- 
2.17.1