diff options
Diffstat (limited to 'drivers/i2c/busses/i2c-brcmstb.c')
| -rw-r--r-- | drivers/i2c/busses/i2c-brcmstb.c | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/drivers/i2c/busses/i2c-brcmstb.c b/drivers/i2c/busses/i2c-brcmstb.c index 169a2836922d..d4e0a0f6732a 100644 --- a/drivers/i2c/busses/i2c-brcmstb.c +++ b/drivers/i2c/busses/i2c-brcmstb.c @@ -647,20 +647,22 @@ static int brcmstb_i2c_probe(struct platform_device *pdev) int_name = NULL; /* Get the interrupt number */ - dev->irq = platform_get_irq(pdev, 0); + dev->irq = platform_get_irq_optional(pdev, 0); /* disable the bsc interrupt line */ brcmstb_i2c_enable_disable_irq(dev, INT_DISABLE); /* register the ISR handler */ - rc = devm_request_irq(&pdev->dev, dev->irq, brcmstb_i2c_isr, - IRQF_SHARED, - int_name ? int_name : pdev->name, - dev); - - if (rc) { - dev_dbg(dev->device, "falling back to polling mode"); - dev->irq = -1; + if (dev->irq >= 0) { + rc = devm_request_irq(&pdev->dev, dev->irq, brcmstb_i2c_isr, + IRQF_SHARED, + int_name ? int_name : pdev->name, + dev); + + if (rc) { + dev_dbg(dev->device, "falling back to polling mode"); + dev->irq = -1; + } } if (of_property_read_u32(dev->device->of_node, |