root/arch/powerpc/include/asm/timex.h

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INCLUDED FROM

DEFINITIONS

This source file includes following definitions.
  1. get_cycles
   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef _ASM_POWERPC_TIMEX_H
   3 #define _ASM_POWERPC_TIMEX_H
   4 
   5 #ifdef __KERNEL__
   6 
   7 /*
   8  * PowerPC architecture timex specifications
   9  */
  10 
  11 #include <asm/cputable.h>
  12 #include <asm/reg.h>
  13 
  14 #define CLOCK_TICK_RATE 1024000 /* Underlying HZ */
  15 
  16 typedef unsigned long cycles_t;
  17 
  18 static inline cycles_t get_cycles(void)
  19 {
  20         if (IS_ENABLED(CONFIG_BOOK3S_601))
  21                 return 0;
  22 
  23         return mftb();
  24 }
  25 
  26 #endif  /* __KERNEL__ */
  27 #endif  /* _ASM_POWERPC_TIMEX_H */
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