From e38030f3ff02684eb9e25e983a03ad318a10a2ea Mon Sep 17 00:00:00 2001 From: Kusanagi Kouichi Date: Sat, 6 Feb 2010 02:45:33 -0300 Subject: V4L/DVB: cx23885: Enable Message Signaled Interrupts(MSI) Signed-off-by: Kusanagi Kouichi Signed-off-by: Steven Toth Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/cx23885/cx23885-core.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) (limited to 'drivers/media/video/cx23885') diff --git a/drivers/media/video/cx23885/cx23885-core.c b/drivers/media/video/cx23885/cx23885-core.c index 161ae7316c9..ff76f64edac 100644 --- a/drivers/media/video/cx23885/cx23885-core.c +++ b/drivers/media/video/cx23885/cx23885-core.c @@ -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); -- cgit v1.2.3-70-g09d2