linuxdebug/arch/powerpc/include/asm/dt_cpu_ftrs.h

26 lines
756 B
C

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_POWERPC_DT_CPU_FTRS_H
#define __ASM_POWERPC_DT_CPU_FTRS_H
/*
* Copyright 2017, IBM Corporation
* cpufeatures is the new way to discover CPU features with /cpus/features
* devicetree. This supersedes PVR based discovery ("cputable"), and older
* device tree feature advertisement.
*/
#include <linux/types.h>
#include <uapi/asm/cputable.h>
#ifdef CONFIG_PPC_DT_CPU_FTRS
bool dt_cpu_ftrs_init(void *fdt);
void dt_cpu_ftrs_scan(void);
bool dt_cpu_ftrs_in_use(void);
#else
static inline bool dt_cpu_ftrs_init(void *fdt) { return false; }
static inline void dt_cpu_ftrs_scan(void) { }
static inline bool dt_cpu_ftrs_in_use(void) { return false; }
#endif
#endif /* __ASM_POWERPC_DT_CPU_FTRS_H */