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rtc: tegra: Propagate errors from platform_get_irq() 

Instead of confusingly returning -EBUSY on failure to obtain an
interrupt, propagate the real error code. While at it, let the user know
why the interrupt could not be acquired.

Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
This commit is contained in:
Thierry Reding 2018-09-21 12:12:09 +02:00 committed by Alexandre Belloni
parent bc51098cdd
commit fe0b5cedc2
1 changed files with 7 additions and 3 deletions
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10
drivers/rtc/rtc-tegra.c
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@ -322,9 +322,13 @@ static int __init tegra_rtc_probe(struct platform_device *pdev)
if (IS_ERR(info->rtc_base))
return PTR_ERR(info->rtc_base);
info->tegra_rtc_irq = platform_get_irq(pdev, 0);
if (info->tegra_rtc_irq <= 0)
return -EBUSY;
ret = platform_get_irq(pdev, 0);
if (ret <= 0) {
dev_err(&pdev->dev, "failed to get platform IRQ: %d\n", ret);
return ret;
}
info->tegra_rtc_irq = ret;
info->clk = devm_clk_get(&pdev->dev, NULL);
if (IS_ERR(info->clk))