summaryrefslogtreecommitdiffstats
path: root/arch/powerpc/include/asm/dt_cpu_ftrs.h
blob: 7a34fc11bf63a45e8bad918f5c8c3b7ff425850e (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
#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 <asm/asm-compat.h>
#include <asm/feature-fixups.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 */
OpenPOWER on IntegriCloud