From 1cd9868f04c3e91929974dca3444a79047f4e602 Mon Sep 17 00:00:00 2001
From: Konstantin Belousov <kib@FreeBSD.org>
Date: Sun, 7 Apr 2024 04:27:46 +0300
Subject: [PATCH] pcireg.h: add include guard

Reviewed by:	emaste
Sponsored by:	Advanced Micro Devices (AMD)
Sponsored by:	The FreeBSD Foundation
MFC after:	1 week
Differential revision:	https://reviews.freebsd.org/D44732
---
 sys/dev/pci/pcireg.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/sys/dev/pci/pcireg.h b/sys/dev/pci/pcireg.h
index ef9b7799f53..c94decd8ef2 100644
--- a/sys/dev/pci/pcireg.h
+++ b/sys/dev/pci/pcireg.h
@@ -26,6 +26,9 @@
  *
  */
 
+#ifndef __PCI_PCIREG_H
+#define	__PCI_PCIREG_H
+
 /*
  * PCIM_xxx: mask to locate subfield in register
  * PCIR_xxx: config register offset
@@ -1121,3 +1124,5 @@
 #define	PCIM_ACS_USP_MEM_TGT_ACC_CTL		0x0c00
 #define	PCIM_ACS_UNCLAIMED_REQ_REDIRECT_CTL	0x1000
 #define	PCIR_ACS_EGRESS_CONTROL_VECTOR	0x8
+
+#endif	/* __PCI_PCIREG_H */