linux-kernel - [PATCH 01/24] Input: bcm-keypad - Simplify with dev_err

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Date:   Wed, 26 Aug 2020 20:16:43 +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 01/24] Input: bcm-keypad - 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/keyboard/bcm-keypad.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/drivers/input/keyboard/bcm-keypad.c b/drivers/input/keyboard/bcm-keypad.c
index 2b771c3a5578..1bf71e7c9e0d 100644
--- a/drivers/input/keyboard/bcm-keypad.c
+++ b/drivers/input/keyboard/bcm-keypad.c
@@ -379,11 +379,9 @@ static int bcm_kp_probe(struct platform_device *pdev)
 	kp->clk = devm_clk_get(&pdev->dev, "peri_clk");
 	if (IS_ERR(kp->clk)) {
 		error = PTR_ERR(kp->clk);
-		if (error != -ENOENT) {
-			if (error != -EPROBE_DEFER)
-				dev_err(&pdev->dev, "Failed to get clock\n");
-			return error;
-		}
+		if (error != -ENOENT)
+			return dev_err_probe(&pdev->dev, error, "Failed to get clock\n");
+
 		dev_dbg(&pdev->dev,
 			"No clock specified. Assuming it's enabled\n");
 		kp->clk = NULL;
-- 
2.17.1