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 8void __udelay(unsigned long usec); 9void udelay(unsigned long usec); 10 11static inline void mdelay(unsigned long msec) 12{ 13 udelay(1000 * msec); 14} 15 16static inline void ndelay(unsigned long nsec) 17{ 18 udelay(DIV_ROUND_UP(nsec, 1000)); 19} 20 21#endif /* defined(_LINUX_DELAY_H) */ 22