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#ifndef _BITS_NAP_H #define _BITS_NAP_H /** @file * * ARM-specific CPU sleeping API implementations * */ FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL ); /** * Sleep until next CPU interrupt * */ static inline __attribute__ (( always_inline )) void cpu_halt ( void ) { __asm__ __volatile__ ( "wfi" ); } #endif /* _BITS_NAP_H */