diff options
| author | Thierry Reding <treding@nvidia.com> | 2018-09-21 12:12:09 +0200 |
|---|---|---|
| committer | Alexandre Belloni <alexandre.belloni@bootlin.com> | 2018-10-16 12:56:56 +0200 |
| commit | fe0b5cedc2b73c9b005e1812c0ae5b922a96243a (patch) | |
| tree | 2ee9aafab4c2a7c7eac3d01b2604962d9404662f /drivers/rtc/rtc-tegra.c | |
| parent | bc51098cdd9573bfdecfd02fc8ed474419d73ea0 (diff) | |
| download | lwn-fe0b5cedc2b73c9b005e1812c0ae5b922a96243a.tar.gz lwn-fe0b5cedc2b73c9b005e1812c0ae5b922a96243a.zip | |
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>
Diffstat (limited to 'drivers/rtc/rtc-tegra.c')
| -rw-r--r-- | drivers/rtc/rtc-tegra.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/rtc/rtc-tegra.c b/drivers/rtc/rtc-tegra.c index 8dc48fe7fc35..c9e77a83cd1b 100644 --- a/drivers/rtc/rtc-tegra.c +++ b/drivers/rtc/rtc-tegra.c @@ -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)) |