From mboxrd@z Thu Jan 1 00:00:00 1970 From: Krzysztof Kozlowski Subject: [PATCH v3 23/27] Input: bcm-keypad - Simplify with dev_err_probe() Date: Thu, 27 Aug 2020 20:58:25 +0200 Message-ID: <20200827185829.30096-24-krzk@kernel.org> References: <20200827185829.30096-1-krzk@kernel.org> Return-path: In-Reply-To: <20200827185829.30096-1-krzk@kernel.org> Sender: linux-kernel-owner@vger.kernel.org To: Linus Walleij , Bartosz Golaszewski , Dmitry Torokhov , Hans de Goede , Bastien Nocera , Sangwon Jee , Eugen Hristev , Andy Shevchenko , linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org, linux-input@vger.kernel.org, platform-driver-x86@vger.kernel.org, clang-built-linux@googlegroups.com Cc: Krzysztof Kozlowski List-Id: platform-driver-x86.vger.kernel.org Common pattern of handling deferred probe can be simplified with dev_err_probe() and devm_clk_get_optional(). Less code and the error value gets printed. Signed-off-by: Krzysztof Kozlowski Reviewed-by: Hans de Goede Reviewed-by: Andy Shevchenko --- Changes since v1: 1. Use also devm_clk_get_optional() --- drivers/input/keyboard/bcm-keypad.c | 14 ++++---------- 1 file changed, 4 insertions(+), 10 deletions(-) diff --git a/drivers/input/keyboard/bcm-keypad.c b/drivers/input/keyboard/bcm-keypad.c index 2b771c3a5578..23e11b4efd13 100644 --- a/drivers/input/keyboard/bcm-keypad.c +++ b/drivers/input/keyboard/bcm-keypad.c @@ -376,17 +376,11 @@ static int bcm_kp_probe(struct platform_device *pdev) return PTR_ERR(kp->base); /* Enable clock */ - kp->clk = devm_clk_get(&pdev->dev, "peri_clk"); + kp->clk = devm_clk_get_optional(&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; - } - dev_dbg(&pdev->dev, - "No clock specified. Assuming it's enabled\n"); - kp->clk = NULL; + return dev_err_probe(&pdev->dev, error, "Failed to get clock\n"); + } else if (!kp->clk) { + dev_dbg(&pdev->dev, "No clock specified. Assuming it's enabled\n"); } else { unsigned int desired_rate; long actual_rate; -- 2.17.1