/* 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_CCIextern bool cci_probed(void);#elsestatic inline bool cci_probed(void) { return false; }#endif #ifdef CONFIG_ARM_CCI400_PORT_CTRLextern 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);#elsestatic 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
/* 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