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-rw-r--r--drivers/pci/msi.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/pci/msi.h b/drivers/pci/msi.h
index 56951c39d3a..9b31d4cbbce 100644
--- a/drivers/pci/msi.h
+++ b/drivers/pci/msi.h
@@ -110,8 +110,8 @@ extern int pci_vector_resources(int last, int nr_released);
(1 << ((control & PCI_MSI_FLAGS_QMASK) >> 1))
#define multi_msi_enable(control, num) \
control |= (((num >> 1) << 4) & PCI_MSI_FLAGS_QSIZE);
-#define is_64bit_address(control) (control & PCI_MSI_FLAGS_64BIT)
-#define is_mask_bit_support(control) (control & PCI_MSI_FLAGS_MASKBIT)
+#define is_64bit_address(control) (!!(control & PCI_MSI_FLAGS_64BIT))
+#define is_mask_bit_support(control) (!!(control & PCI_MSI_FLAGS_MASKBIT))
#define msi_enable(control, num) multi_msi_enable(control, num); \
control |= PCI_MSI_FLAGS_ENABLE