arch/powerpc/include/asm/dt_cpu_ftrs.h

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