delay.h 380 B

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