Messages in this thread Patch in this message | | | From | Daniel Schultz <> | Subject | [PATCH] driver: rtc: tps65910: Add parameter check | Date | Wed, 15 Mar 2017 11:52:32 +0100 |
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If the tps65910 driver has no interrupt, the probe of tps65910-rtc will fail.
This patch adds a check in the probe of the rtc if an interrupt exist. The check is similar to the check in the function which creates the interrupt.
Signed-off-by: Daniel Schultz <d.schultz@phytec.de> --- drivers/rtc/rtc-tps65910.c | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/drivers/rtc/rtc-tps65910.c b/drivers/rtc/rtc-tps65910.c index d0244d7..8c5ca11 100644 --- a/drivers/rtc/rtc-tps65910.c +++ b/drivers/rtc/rtc-tps65910.c @@ -375,6 +375,11 @@ static int tps65910_rtc_probe(struct platform_device *pdev) tps65910 = dev_get_drvdata(pdev->dev.parent); + if (!tps65910->chip_irq) { + dev_warn(&pdev->dev, "No interrupt support, not created\n"); + return -EINVAL; + } + tps_rtc = devm_kzalloc(&pdev->dev, sizeof(struct tps65910_rtc), GFP_KERNEL); if (!tps_rtc) -- 1.9.1
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