Whether to support 64-bit address status has been calculated before,
and the calculation result can be used directly afterwards, so use
msi_attrib.is_64 to avoid double calculation.
Suggested-by: weipengliang <weipengliang@xxxxxxxxxx>
Signed-off-by: sparkhuang <huangshaobo3@xxxxxxxxxx>
---
drivers/pci/msi/msi.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/pci/msi/msi.c b/drivers/pci/msi/msi.c
index ef1d885..304e889 100644
--- a/drivers/pci/msi/msi.c
+++ b/drivers/pci/msi/msi.c
@@ -303,7 +303,7 @@ static int msi_setup_msi_desc(struct pci_dev *dev, int nvec,
desc.pci.msi_attrib.multiple = ilog2(__roundup_pow_of_two(nvec));
desc.affinity = masks;
- if (control & PCI_MSI_FLAGS_64BIT)
+ if (desc.pci.msi_attrib.is_64)
desc.pci.mask_pos = dev->msi_cap + PCI_MSI_MASK_64;
else
desc.pci.mask_pos = dev->msi_cap + PCI_MSI_MASK_32;
--
2.7.4
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