linux-stable/arch/powerpc/kernel/secvar-ops.c

24 lines
452 B
C

// 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;
}