From c427456fd560d6def83cd3867cc5bf01d20653e5 Mon Sep 17 00:00:00 2001
From: Vladimir Kondratyev <wulf@FreeBSD.org>
Date: Tue, 23 Nov 2021 11:32:38 +0300
Subject: [PATCH] LinuxKPI: Implement kstrtoull

Required by drm-kmod 5.7

MFC after:	1 week
Reviewed by:	hselasky, manu
Differential Revision:	https://reviews.freebsd.org/D33291
---
 sys/compat/linuxkpi/common/include/linux/kernel.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/sys/compat/linuxkpi/common/include/linux/kernel.h b/sys/compat/linuxkpi/common/include/linux/kernel.h
index 80b68474517..6f917941184 100644
--- a/sys/compat/linuxkpi/common/include/linux/kernel.h
+++ b/sys/compat/linuxkpi/common/include/linux/kernel.h
@@ -465,6 +465,12 @@ kstrtou64(const char *cp, unsigned int base, u64 *res)
        return (0);
 }
 
+static inline int
+kstrtoull(const char *cp, unsigned int base, unsigned long long *res)
+{
+	return (kstrtou64(cp, base, (u64 *)res));
+}
+
 static inline int
 kstrtobool(const char *s, bool *res)
 {