[PATCH V2 3/3] pwm: imx1: Use dev_err_probe() to simplify error handling
From: Anson Huang <hidden>
Date: 2020-08-11 06:29:38
Also in:
linux-pwm, lkml
Subsystem:
pwm subsystem, the rest · Maintainers:
Uwe Kleine-König, Linus Torvalds
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 <redacted> --- changes since V1: - remove redundant return value print. --- drivers/pwm/pwm-imx1.c | 21 ++++++--------------- 1 file changed, 6 insertions(+), 15 deletions(-)
diff --git a/drivers/pwm/pwm-imx1.c b/drivers/pwm/pwm-imx1.c
index f8b2c2e..4877734 100644
--- a/drivers/pwm/pwm-imx1.c
+++ b/drivers/pwm/pwm-imx1.c@@ -145,23 +145,14 @@ static int pwm_imx1_probe(struct platform_device *pdev) platform_set_drvdata(pdev, imx); imx->clk_ipg = devm_clk_get(&pdev->dev, "ipg"); - if (IS_ERR(imx->clk_ipg)) { - dev_err(&pdev->dev, "getting ipg clock failed with %ld\n", - PTR_ERR(imx->clk_ipg)); - return PTR_ERR(imx->clk_ipg); - } + if (IS_ERR(imx->clk_ipg)) + return dev_err_probe(&pdev->dev, PTR_ERR(imx->clk_ipg), + "getting ipg clock failed\n"); imx->clk_per = devm_clk_get(&pdev->dev, "per"); - if (IS_ERR(imx->clk_per)) { - int ret = PTR_ERR(imx->clk_per); - - if (ret != -EPROBE_DEFER) - dev_err(&pdev->dev, - "failed to get peripheral clock: %d\n", - ret); - - return ret; - } + if (IS_ERR(imx->clk_per)) + return dev_err_probe(&pdev->dev, PTR_ERR(imx->clk_per), + "failed to get peripheral clock\n"); imx->chip.ops = &pwm_imx1_ops; imx->chip.dev = &pdev->dev;
--
2.7.4
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