diff options
Diffstat (limited to 'drivers/pci')
| -rw-r--r-- | drivers/pci/msi.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c index 7c24dcef298..44b0aeee83e 100644 --- a/drivers/pci/msi.c +++ b/drivers/pci/msi.c @@ -168,8 +168,9 @@ static u32 __msix_mask_irq(struct msi_desc *desc, u32 flag) u32 mask_bits = desc->masked; unsigned offset = desc->msi_attrib.entry_nr * PCI_MSIX_ENTRY_SIZE + PCI_MSIX_ENTRY_VECTOR_CTRL; - mask_bits &= ~1; - mask_bits |= flag; + mask_bits &= ~PCI_MSIX_ENTRY_CTRL_MASKBIT; + if (flag) + mask_bits |= PCI_MSIX_ENTRY_CTRL_MASKBIT; writel(mask_bits, desc->mask_base + offset); return mask_bits; |