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

   1/* SPDX-License-Identifier: GPL-2.0 */
   2#ifndef _ASM_PARISC_DELAY_H
   3#define _ASM_PARISC_DELAY_H
   4
   5static __inline__ void __delay(unsigned long loops) {
   6        asm volatile(
   7        "       .balignl        64,0x34000034\n"
   8        "       addib,UV -1,%0,.\n"
   9        "       nop\n"
  10                : "=r" (loops) : "0" (loops));
  11}
  12
  13extern void __udelay(unsigned long usecs);
  14extern void __udelay_bad(unsigned long usecs);
  15
  16static inline void udelay(unsigned long usecs)
  17{
  18        if (__builtin_constant_p(usecs) && (usecs) > 20000)
  19                __udelay_bad(usecs);
  20        __udelay(usecs);
  21}
  22
  23#endif /* _ASM_PARISC_DELAY_H */
  24