diff options
| -rw-r--r-- | drivers/media/pci/cx23885/cx23885-core.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/media/pci/cx23885/cx23885-core.c b/drivers/media/pci/cx23885/cx23885-core.c index b279758fb358..3f553199eb4d 100644 --- a/drivers/media/pci/cx23885/cx23885-core.c +++ b/drivers/media/pci/cx23885/cx23885-core.c @@ -1704,6 +1704,12 @@ static irqreturn_t cx23885_irq(int irq, void *dev_id) pci_status = cx_read(PCI_INT_STAT); pci_mask = cx23885_irq_get_mask(dev); + if ((pci_status & pci_mask) == 0) { + dprintk(7, "pci_status: 0x%08x pci_mask: 0x%08x\n", + pci_status, pci_mask); + goto out; + } + vida_status = cx_read(VID_A_INT_STAT); vida_mask = cx_read(VID_A_INT_MSK); audint_status = cx_read(AUDIO_INT_INT_STAT); @@ -1713,7 +1719,9 @@ static irqreturn_t cx23885_irq(int irq, void *dev_id) ts2_status = cx_read(VID_C_INT_STAT); ts2_mask = cx_read(VID_C_INT_MSK); - if ((pci_status == 0) && (ts2_status == 0) && (ts1_status == 0)) + if (((pci_status & pci_mask) == 0) && + ((ts2_status & ts2_mask) == 0) && + ((ts1_status & ts1_mask) == 0)) goto out; vida_count = cx_read(VID_A_GPCNT); @@ -1840,7 +1848,7 @@ static irqreturn_t cx23885_irq(int irq, void *dev_id) } if (handled) - cx_write(PCI_INT_STAT, pci_status); + cx_write(PCI_INT_STAT, pci_status & pci_mask); out: return IRQ_RETVAL(handled); } |