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path: root/drivers/pci/dwc/pcie-designware.h
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Diffstat (limited to 'drivers/pci/dwc/pcie-designware.h')
-rw-r--r--drivers/pci/dwc/pcie-designware.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/pci/dwc/pcie-designware.h b/drivers/pci/dwc/pcie-designware.h
index e5d9d77b778e..cb493bcae8b4 100644
--- a/drivers/pci/dwc/pcie-designware.h
+++ b/drivers/pci/dwc/pcie-designware.h
@@ -101,6 +101,7 @@
#define MSI_MESSAGE_CONTROL 0x52
#define MSI_CAP_MMC_SHIFT 1
#define MSI_CAP_MME_SHIFT 4
+#define MSI_CAP_MSI_EN_MASK 0x1
#define MSI_CAP_MME_MASK (7 << MSI_CAP_MME_SHIFT)
#define MSI_MESSAGE_ADDR_L32 0x54
#define MSI_MESSAGE_ADDR_U32 0x58