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pwm: pwm-mediatek: Simplify error handling with dev_err_probe()

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Use dev_err_probe() to simplify handling errors in pwm_mediatek_probe().

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
This commit is contained in:
AngeloGioacchino Del Regno 2022-02-14 15:03:37 +01:00 committed by Thierry Reding
parent 0d6bc3e18e
commit 5264e8ca76
1 changed files with 11 additions and 19 deletions
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30
drivers/pwm/pwm-mediatek.c
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@ -227,18 +227,14 @@ static int pwm_mediatek_probe(struct platform_device *pdev)
return -ENOMEM;
pc->clk_top = devm_clk_get(&pdev->dev, "top");
if (IS_ERR(pc->clk_top)) {
dev_err(&pdev->dev, "clock: top fail: %ld\n",
PTR_ERR(pc->clk_top));
return PTR_ERR(pc->clk_top);
}
if (IS_ERR(pc->clk_top))
return dev_err_probe(&pdev->dev, PTR_ERR(pc->clk_top),
"clock: top failed\n");
pc->clk_main = devm_clk_get(&pdev->dev, "main");
if (IS_ERR(pc->clk_main)) {
dev_err(&pdev->dev, "clock: main fail: %ld\n",
PTR_ERR(pc->clk_main));
return PTR_ERR(pc->clk_main);
}
if (IS_ERR(pc->clk_main))
return dev_err_probe(&pdev->dev, PTR_ERR(pc->clk_main),
"clock: main failed\n");
for (i = 0; i < pc->soc->num_pwms; i++) {
char name[8];
@ -246,11 +242,9 @@ static int pwm_mediatek_probe(struct platform_device *pdev)
snprintf(name, sizeof(name), "pwm%d", i + 1);
pc->clk_pwms[i] = devm_clk_get(&pdev->dev, name);
if (IS_ERR(pc->clk_pwms[i])) {
dev_err(&pdev->dev, "clock: %s fail: %ld\n",
name, PTR_ERR(pc->clk_pwms[i]));
return PTR_ERR(pc->clk_pwms[i]);
}
if (IS_ERR(pc->clk_pwms[i]))
return dev_err_probe(&pdev->dev, PTR_ERR(pc->clk_pwms[i]),
"clock: %s failed\n", name);
}
pc->chip.dev = &pdev->dev;
@ -258,10 +252,8 @@ static int pwm_mediatek_probe(struct platform_device *pdev)
pc->chip.npwm = pc->soc->num_pwms;
ret = devm_pwmchip_add(&pdev->dev, &pc->chip);
if (ret < 0) {
dev_err(&pdev->dev, "pwmchip_add() failed: %d\n", ret);
return ret;
}
if (ret < 0)
return dev_err_probe(&pdev->dev, ret, "pwmchip_add() failed\n");
return 0;
}