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