diff --git a/include/linux/pci.h b/include/linux/pci.h
index fc54b8922e66991042cc8a5452cea9b2322968c7..a048fba311d2ebf10e98ec9a2fda82fc70ffabba 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -2184,6 +2184,7 @@ int pci_enable_atomic_ops_to_root(struct pci_dev *dev, u32 cap_mask);
 #define PCI_VPD_INFO_FLD_HDR_SIZE	3
 
 #define PCI_VPD_RO_KEYWORD_PARTNO	"PN"
+#define PCI_VPD_RO_KEYWORD_SERIALNO	"SN"
 #define PCI_VPD_RO_KEYWORD_MFR_ID	"MN"
 #define PCI_VPD_RO_KEYWORD_VENDOR0	"V0"
 #define PCI_VPD_RO_KEYWORD_CHKSUM	"RV"