kernel/arch/parisc/include/asm/delay.h

   1 #ifndef _ASM_PARISC_DELAY_H
   2 #define _ASM_PARISC_DELAY_H
   3
   4 static __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
  12 extern void __udelay(unsigned long usecs);
  13 extern void __udelay_bad(unsigned long usecs);
  14
  15 static 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 */