Adding upstream version 6.6.15.upstream/6.6.15

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 23 insertions, 0 deletions

diff --git a/arch/powerpc/kernel/secvar-ops.c b/arch/powerpc/kernel/secvar-ops.c
new file mode 100644
index 0000000000..19172a2804
--- /dev/null
+++ b/arch/powerpc/kernel/secvar-ops.c
@@ -0,0 +1,23 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2019 IBM Corporation
+ * Author: Nayna Jain
+ *
+ * This file initializes secvar operations for PowerPC Secureboot
+ */
+
+#include <linux/cache.h>
+#include <asm/secvar.h>
+#include <asm/bug.h>
+
+const struct secvar_operations *secvar_ops __ro_after_init = NULL;
+
+int set_secvar_ops(const struct secvar_operations *ops)
+{
+	if (WARN_ON_ONCE(secvar_ops))
+		return -EBUSY;
+
+	secvar_ops = ops;
+
+	return 0;
+}