1a59d1b8e0
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>
56 lines
1.4 KiB
C
56 lines
1.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* CCI cache coherent interconnect support
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*
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* Copyright (C) 2013 ARM Ltd.
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*/
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#ifndef __LINUX_ARM_CCI_H
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#define __LINUX_ARM_CCI_H
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#include <linux/errno.h>
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#include <linux/types.h>
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#include <asm/arm-cci.h>
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struct device_node;
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#ifdef CONFIG_ARM_CCI
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extern bool cci_probed(void);
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#else
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static inline bool cci_probed(void) { return false; }
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#endif
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#ifdef CONFIG_ARM_CCI400_PORT_CTRL
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extern int cci_ace_get_port(struct device_node *dn);
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extern int cci_disable_port_by_cpu(u64 mpidr);
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extern int __cci_control_port_by_device(struct device_node *dn, bool enable);
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extern int __cci_control_port_by_index(u32 port, bool enable);
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#else
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static inline int cci_ace_get_port(struct device_node *dn)
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{
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return -ENODEV;
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}
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static inline int cci_disable_port_by_cpu(u64 mpidr) { return -ENODEV; }
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static inline int __cci_control_port_by_device(struct device_node *dn,
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bool enable)
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{
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return -ENODEV;
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}
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static inline int __cci_control_port_by_index(u32 port, bool enable)
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{
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return -ENODEV;
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}
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#endif
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#define cci_disable_port_by_device(dev) \
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__cci_control_port_by_device(dev, false)
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#define cci_enable_port_by_device(dev) \
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__cci_control_port_by_device(dev, true)
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#define cci_disable_port_by_index(dev) \
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__cci_control_port_by_index(dev, false)
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#define cci_enable_port_by_index(dev) \
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__cci_control_port_by_index(dev, true)
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#endif
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