[PATCH 2/3] i2c: brcmstb: Handle errors from optional IRQ lookup
| Newsgroups | gmane.linux.drivers.i2c,gmane.linux.ports.arm.kernel,gmane.linux.kernel |
|---|---|
| Message-ID | <[email protected]> |
From: bui duc phuc <[email protected]> platform_get_irq_optional() returns a positive IRQ number on success or a negative error code on failure. For an optional IRQ, -ENXIO indicates that no optional IRQ is available. Other errors, such as -EPROBE_DEFER and -EINVAL, should be propagated so that the caller can handle them appropriately. Propagate negative errors other than -ENXIO. Signed-off-by: bui duc phuc <[email protected]> --- drivers/i2c/busses/i2c-brcmstb.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/i2c/busses/i2c-brcmstb.c b/drivers/i2c/busses/i2c-brcmstb.c index 5fa30e8926c5..91525a36e575 100644 --- a/drivers/i2c/busses/i2c-brcmstb.c +++ b/drivers/i2c/busses/i2c-brcmstb.c @@ -648,6 +648,8 @@ static int brcmstb_i2c_probe(struct platform_device *pdev) /* Get the interrupt number */ dev->irq = platform_get_irq_optional(pdev, 0); + if (dev->irq < 0 && dev->irq != -ENXIO) + return dev->irq; /* disable the bsc interrupt line */ brcmstb_i2c_enable_disable_irq(dev, INT_DISABLE); -- 2.43.0