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Date: Tue, 11 Aug 2020 14:24:30 +0800 From: Anson Huang <Anson.Huang@....com> To: thierry.reding@...il.com, u.kleine-koenig@...gutronix.de, lee.jones@...aro.org, shawnguo@...nel.org, s.hauer@...gutronix.de, kernel@...gutronix.de, festevam@...il.com, linux-pwm@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org Cc: Linux-imx@....com Subject: [PATCH V2 1/3] pwm: imx-tpm: Use dev_err_probe() to simplify error handling dev_err_probe() can reduce code size, uniform error handling and record the defer probe reason etc., use it to simplify the code. Signed-off-by: Anson Huang <Anson.Huang@....com> --- changes since V1: - remove redundant return value print. --- drivers/pwm/pwm-imx-tpm.c | 10 +++------- 1 file changed, 3 insertions(+), 7 deletions(-) diff --git a/drivers/pwm/pwm-imx-tpm.c b/drivers/pwm/pwm-imx-tpm.c index fcdf6be..aaf629b 100644 --- a/drivers/pwm/pwm-imx-tpm.c +++ b/drivers/pwm/pwm-imx-tpm.c @@ -350,13 +350,9 @@ static int pwm_imx_tpm_probe(struct platform_device *pdev) return PTR_ERR(tpm->base); tpm->clk = devm_clk_get(&pdev->dev, NULL); - if (IS_ERR(tpm->clk)) { - ret = PTR_ERR(tpm->clk); - if (ret != -EPROBE_DEFER) - dev_err(&pdev->dev, - "failed to get PWM clock: %d\n", ret); - return ret; - } + if (IS_ERR(tpm->clk)) + return dev_err_probe(&pdev->dev, PTR_ERR(tpm->clk), + "failed to get PWM clock\n"); ret = clk_prepare_enable(tpm->clk); if (ret) { -- 2.7.4
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