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 <[email protected]> Cc: Wolfram Sang <[email protected]> --- drivers/i2c/busses/i2c-i801.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) --- linux-3.18-rc4.orig/drivers/i2c/busses/i2c-i801.c 2014-11-10 22:29:42.788955868 +0100 +++ linux-3.18-rc4/drivers/i2c/busses/i2c-i801.c 2014-11-10 22:29:44.416991298 +0100 @@ -1242,9 +1242,11 @@ static int i801_probe(struct pci_dev *de 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 polling\n"); + } else { + dev_info(&dev->dev, "SMBus using PCI interrupt\n"); } - dev_info(&dev->dev, "SMBus using PCI Interrupt\n"); } /* set up the sysfs linkage to our parent device */ @@ -1272,7 +1274,6 @@ static int i801_probe(struct pci_dev *de exit_free_irq: if (priv->features & FEATURE_IRQ) free_irq(dev->irq, priv); -exit_release: pci_release_region(dev, SMBBAR); exit: kfree(priv); -- Jean Delvare SUSE L3 Support -- To unsubscribe from this list: send the line "unsubscribe linux-i2c" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
