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pwm: imx1: 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@nxp.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
This commit is contained in:
Anson Huang 2020-08-11 14:24:32 +08:00 committed by Thierry Reding
parent d109d74c4c
commit f1332e9294
1 changed files with 6 additions and 15 deletions
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21
drivers/pwm/pwm-imx1.c
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@ -144,23 +144,14 @@ 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;