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 <asm/asm-compat.h>
  14 #include <asm/feature-fixups.h>
  15 #include <uapi/asm/cputable.h>
  16
  17 #ifdef CONFIG_PPC_DT_CPU_FTRS
  18 bool dt_cpu_ftrs_init(void *fdt);
  19 void dt_cpu_ftrs_scan(void);
  20 bool dt_cpu_ftrs_in_use(void);
  21 #else
  22 static inline bool dt_cpu_ftrs_init(void *fdt) { return false; }
  23 static inline void dt_cpu_ftrs_scan(void) { }
  24 static inline bool dt_cpu_ftrs_in_use(void) { return false; }
  25 #endif
  26
  27 #endif /* __ASM_POWERPC_DT_CPU_FTRS_H */