linux-stable/include/linux/arm-cci.h
Thomas Gleixner 1a59d1b8e0 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
Based on 1 normalized pattern(s):

  this program is free software you can redistribute it and or modify
  it under the terms of the gnu general public license as published by
  the free software foundation either version 2 of the license or at
  your option any later version this program is distributed in the
  hope that it will be useful but without any warranty without even
  the implied warranty of merchantability or fitness for a particular
  purpose see the gnu general public license for more details you
  should have received a copy of the gnu general public license along
  with this program if not write to the free software foundation inc
  59 temple place suite 330 boston ma 02111 1307 usa

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-or-later

has been chosen to replace the boilerplate/reference in 1334 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Richard Fontana <rfontana@redhat.com>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190527070033.113240726@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-30 11:26:35 -07:00

55 lines
1.4 KiB
C

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* CCI cache coherent interconnect support
*
* Copyright (C) 2013 ARM Ltd.
*/
#ifndef __LINUX_ARM_CCI_H
#define __LINUX_ARM_CCI_H
#include <linux/errno.h>
#include <linux/types.h>
#include <asm/arm-cci.h>
struct device_node;
#ifdef CONFIG_ARM_CCI
extern bool cci_probed(void);
#else
static inline bool cci_probed(void) { return false; }
#endif
#ifdef CONFIG_ARM_CCI400_PORT_CTRL
extern int cci_ace_get_port(struct device_node *dn);
extern int cci_disable_port_by_cpu(u64 mpidr);
extern int __cci_control_port_by_device(struct device_node *dn, bool enable);
extern int __cci_control_port_by_index(u32 port, bool enable);
#else
static inline int cci_ace_get_port(struct device_node *dn)
{
return -ENODEV;
}
static inline int cci_disable_port_by_cpu(u64 mpidr) { return -ENODEV; }
static inline int __cci_control_port_by_device(struct device_node *dn,
bool enable)
{
return -ENODEV;
}
static inline int __cci_control_port_by_index(u32 port, bool enable)
{
return -ENODEV;
}
#endif
#define cci_disable_port_by_device(dev) \
__cci_control_port_by_device(dev, false)
#define cci_enable_port_by_device(dev) \
__cci_control_port_by_device(dev, true)
#define cci_disable_port_by_index(dev) \
__cci_control_port_by_index(dev, false)
#define cci_enable_port_by_index(dev) \
__cci_control_port_by_index(dev, true)
#endif