include/linux/delay.h

   1 /* SPDX-License-Identifier: GPL-2.0+ */
   2
   3 #ifndef _LINUX_DELAY_H
   4 #define _LINUX_DELAY_H
   5
   6 #include <linux/kernel.h>
   7
   8 void __udelay(unsigned long usec);
   9 void udelay(unsigned long usec);
  10
  11 static inline void mdelay(unsigned long msec)
  12 {
  13         udelay(1000 * msec);
  14 }
  15
  16 static inline void ndelay(unsigned long nsec)
  17 {
  18         udelay(DIV_ROUND_UP(nsec, 1000));
  19 }
  20
  21 #endif /* defined(_LINUX_DELAY_H) */