linux-kernel - [PATCH 10/24] Input: bu21029_ts - Simplify with dev_err

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Date:   Wed, 26 Aug 2020 20:16:52 +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 10/24] Input: bu21029_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>
---
 drivers/input/touchscreen/bu21029_ts.c | 20 ++++++--------------
 1 file changed, 6 insertions(+), 14 deletions(-)

diff --git a/drivers/input/touchscreen/bu21029_ts.c b/drivers/input/touchscreen/bu21029_ts.c
index 49a8d4bbca3a..96c178b606dc 100644
--- a/drivers/input/touchscreen/bu21029_ts.c
+++ b/drivers/input/touchscreen/bu21029_ts.c
@@ -360,23 +360,15 @@ static int bu21029_probe(struct i2c_client *client,
 	}
 
 	bu21029->vdd = devm_regulator_get(&client->dev, "vdd");
-	if (IS_ERR(bu21029->vdd)) {
-		error = PTR_ERR(bu21029->vdd);
-		if (error != -EPROBE_DEFER)
-			dev_err(&client->dev,
-				"failed to acquire 'vdd' supply: %d\n", error);
-		return error;
-	}
+	if (IS_ERR(bu21029->vdd))
+		return dev_err_probe(&client->dev, PTR_ERR(bu21029->vdd),
+				     "failed to acquire 'vdd' supply\n");
 
 	bu21029->reset_gpios = devm_gpiod_get_optional(&client->dev,
 						       "reset", GPIOD_OUT_HIGH);
-	if (IS_ERR(bu21029->reset_gpios)) {
-		error = PTR_ERR(bu21029->reset_gpios);
-		if (error != -EPROBE_DEFER)
-			dev_err(&client->dev,
-				"failed to acquire 'reset' gpio: %d\n", error);
-		return error;
-	}
+	if (IS_ERR(bu21029->reset_gpios))
+		return dev_err_probe(&client->dev, PTR_ERR(bu21029->reset_gpios),
+				     "failed to acquire 'reset' gpio\n");
 
 	in_dev = devm_input_allocate_device(&client->dev);
 	if (!in_dev) {
-- 
2.17.1