xref: /OK3568_Linux_fs/kernel/arch/powerpc/include/asm/dt_cpu_ftrs.h (revision 4882a59341e53eb6f0b4789bf948001014eff981) 
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */
2*4882a593Smuzhiyun #ifndef __ASM_POWERPC_DT_CPU_FTRS_H
3*4882a593Smuzhiyun #define __ASM_POWERPC_DT_CPU_FTRS_H
4*4882a593Smuzhiyun 
5*4882a593Smuzhiyun /*
6*4882a593Smuzhiyun  *  Copyright 2017, IBM Corporation
7*4882a593Smuzhiyun  *  cpufeatures is the new way to discover CPU features with /cpus/features
8*4882a593Smuzhiyun  *  devicetree. This supersedes PVR based discovery ("cputable"), and older
9*4882a593Smuzhiyun  *  device tree feature advertisement.
10*4882a593Smuzhiyun  */
11*4882a593Smuzhiyun 
12*4882a593Smuzhiyun #include <linux/types.h>
13*4882a593Smuzhiyun #include <uapi/asm/cputable.h>
14*4882a593Smuzhiyun 
15*4882a593Smuzhiyun #ifdef CONFIG_PPC_DT_CPU_FTRS
16*4882a593Smuzhiyun bool dt_cpu_ftrs_init(void *fdt);
17*4882a593Smuzhiyun void dt_cpu_ftrs_scan(void);
18*4882a593Smuzhiyun bool dt_cpu_ftrs_in_use(void);
19*4882a593Smuzhiyun #else
dt_cpu_ftrs_init(void * fdt)20*4882a593Smuzhiyun static inline bool dt_cpu_ftrs_init(void *fdt) { return false; }
dt_cpu_ftrs_scan(void)21*4882a593Smuzhiyun static inline void dt_cpu_ftrs_scan(void) { }
dt_cpu_ftrs_in_use(void)22*4882a593Smuzhiyun static inline bool dt_cpu_ftrs_in_use(void) { return false; }
23*4882a593Smuzhiyun #endif
24*4882a593Smuzhiyun 
25*4882a593Smuzhiyun #endif /* __ASM_POWERPC_DT_CPU_FTRS_H */
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