arch/powerpc/include/asm/dt_cpu_ftrs.h

   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
  20 static inline bool dt_cpu_ftrs_init(void *fdt) { return false; }
  21 static inline void dt_cpu_ftrs_scan(void) { }
  22 static inline bool dt_cpu_ftrs_in_use(void) { return false; }
  23 #endif
  24
  25 #endif /* __ASM_POWERPC_DT_CPU_FTRS_H */