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 <jdelv...@suse.de>
Cc: Wolfram Sang <w...@the-dreams.de>
---
Changes since v1:
* Always log whether the driver is using polling or PCI interrupt.
drivers/i2c/busses/i2c-i801.c | 6 +++---
1 file changed, 3 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 2014-11-11
14:56:35.777941563 +0100
@@ -1242,10 +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 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;
@@ -1272,7 +1273,6 @@ 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
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