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V4L/DVB: cx23885: Enable Message Signaled Interrupts(MSI) 

Signed-off-by: Kusanagi Kouichi <slash@ac.auone-net.jp>
Signed-off-by: Steven Toth <stoth@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Kusanagi Kouichi 2010-02-06 02:45:33 -03:00 committed by Mauro Carvalho Chehab
parent b48592e496
commit e38030f3ff
1 changed files with 7 additions and 2 deletions
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9
drivers/media/video/cx23885/cx23885-core.c
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@ -1953,8 +1953,12 @@ static int __devinit cx23885_initdev(struct pci_dev *pci_dev,
goto fail_irq;
}
err = request_irq(pci_dev->irq, cx23885_irq,
IRQF_SHARED | IRQF_DISABLED, dev->name, dev);
if (!pci_enable_msi(pci_dev))
err = request_irq(pci_dev->irq, cx23885_irq,
IRQF_DISABLED, dev->name, dev);
else
err = request_irq(pci_dev->irq, cx23885_irq,
IRQF_SHARED | IRQF_DISABLED, dev->name, dev);
if (err < 0) {
printk(KERN_ERR "%s: can't get IRQ %d\n",
dev->name, pci_dev->irq);
@ -2000,6 +2004,7 @@ static void __devexit cx23885_finidev(struct pci_dev *pci_dev)
/* unregister stuff */
free_irq(pci_dev->irq, dev);
pci_disable_msi(pci_dev);
cx23885_dev_unregister(dev);
v4l2_device_unregister(v4l2_dev);