LXR linux/arch/parisc/include/asm/delay.h

   1#ifndef _ASM_PARISC_DELAY_H
   2#define _ASM_PARISC_DELAY_H
   3
   4static __inline__ void __delay(unsigned long loops) {
   5        asm volatile(
   6        "       .balignl        64,0x34000034\n"
   7        "       addib,UV -1,%0,.\n"
   8        "       nop\n"
   9                : "=r" (loops) : "0" (loops));
  10}
  11
  12extern void __udelay(unsigned long usecs);
  13extern void __udelay_bad(unsigned long usecs);
  14
  15static inline void udelay(unsigned long usecs)
  16{
  17        if (__builtin_constant_p(usecs) && (usecs) > 20000)
  18                __udelay_bad(usecs);
  19        __udelay(usecs);
  20}
  21
  22#endif /* _ASM_PARISC_DELAY_H */
  23