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i2c: i801: Fallback to polling if request_irq() fails

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The i2c-i801 driver can work without interrupts, so there is no reason
to make a request_irq failure fatal. Instead we can simply fallback
to polling.

Signed-off-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
This commit is contained in:
Jean Delvare 2014-11-12 10:24:07 +01:00 committed by Wolfram Sang
parent b3b8df9772
commit ae94471717
1 changed files with 3 additions and 3 deletions
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6
drivers/i2c/busses/i2c-i801.c
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@ -1239,10 +1239,11 @@ static int i801_probe(struct pci_dev *dev, const struct pci_device_id *id)
if (err) {
dev_err(&dev->dev, "Failed to allocate irq %d: %d\n",
dev->irq, err);
goto exit_release;
priv->features &= ~FEATURE_IRQ;
}
dev_info(&dev->dev, "SMBus using PCI Interrupt\n");
}
dev_info(&dev->dev, "SMBus using %s\n",
priv->features & FEATURE_IRQ ? "PCI interrupt" : "polling");
/* set up the sysfs linkage to our parent device */
priv->adapter.dev.parent = &dev->dev;
@ -1269,7 +1270,6 @@ static int i801_probe(struct pci_dev *dev, const struct pci_device_id *id)
exit_free_irq:
if (priv->features & FEATURE_IRQ)
free_irq(dev->irq, priv);
exit_release:
pci_release_region(dev, SMBBAR);
exit:
kfree(priv);