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soc/tegra: pmc: Use devm_clk_get_optional()

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Use devm_clk_get_optional() instead of hand writing it.

While at it, use dev_err_probe() to further simplify the code. This is also
less verbose if clk_get() returns -EPROBE_DEFER.

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Thierry Reding <treding@nvidia.com>
This commit is contained in:
Christophe JAILLET 2022-08-07 22:55:59 +02:00 committed by Thierry Reding
parent 2254182807
commit c18f352442
1 changed files with 4 additions and 11 deletions
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15
drivers/soc/tegra/pmc.c
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@ -2904,17 +2904,10 @@ static int tegra_pmc_probe(struct platform_device *pdev)
pmc->scratch = base;
}
pmc->clk = devm_clk_get(&pdev->dev, "pclk");
if (IS_ERR(pmc->clk)) {
err = PTR_ERR(pmc->clk);
if (err != -ENOENT) {
dev_err(&pdev->dev, "failed to get pclk: %d\n", err);
return err;
}
pmc->clk = NULL;
}
pmc->clk = devm_clk_get_optional(&pdev->dev, "pclk");
if (IS_ERR(pmc->clk))
return dev_err_probe(&pdev->dev, PTR_ERR(pmc->clk),
"failed to get pclk\n");
/*
* PMC should be last resort for restarting since it soft-resets