1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __ASM_POWERPC_DT_CPU_FTRS_H
3 #define __ASM_POWERPC_DT_CPU_FTRS_H
4 
5 /*
6  *  Copyright 2017, IBM Corporation
7  *  cpufeatures is the new way to discover CPU features with /cpus/features
8  *  devicetree. This supersedes PVR based discovery ("cputable"), and older
9  *  device tree feature advertisement.
10  */
11 
12 #include <linux/types.h>
13 #include <uapi/asm/cputable.h>
14 
15 #ifdef CONFIG_PPC_DT_CPU_FTRS
16 bool dt_cpu_ftrs_init(void *fdt);
17 void dt_cpu_ftrs_scan(void);
18 bool dt_cpu_ftrs_in_use(void);
19 #else
dt_cpu_ftrs_init(void * fdt)20 static inline bool dt_cpu_ftrs_init(void *fdt) { return false; }
dt_cpu_ftrs_scan(void)21 static inline void dt_cpu_ftrs_scan(void) { }
dt_cpu_ftrs_in_use(void)22 static inline bool dt_cpu_ftrs_in_use(void) { return false; }
23 #endif
24 
25 #endif /* __ASM_POWERPC_DT_CPU_FTRS_H */
26