LXR linux/arch/arm/include/asm/arm-cci.h

   1/* SPDX-License-Identifier: GPL-2.0-only */
   2/*
   3 * arch/arm/include/asm/arm-cci.h
   4 *
   5 * Copyright (C) 2015 ARM Ltd.
   6 */
   7
   8#ifndef __ASM_ARM_CCI_H
   9#define __ASM_ARM_CCI_H
  10
  11#ifdef CONFIG_MCPM
  12#include <asm/mcpm.h>
  13
  14/*
  15 * We don't have a reliable way of detecting whether,
  16 * if we have access to secure-only registers, unless
  17 * mcpm is registered.
  18 */
  19static inline bool platform_has_secure_cci_access(void)
  20{
  21        return mcpm_is_available();
  22}
  23
  24#else
  25static inline bool platform_has_secure_cci_access(void)
  26{
  27        return false;
  28}
  29#endif
  30
  31#endif
  32