diff options
Diffstat (limited to 'include/linux/delay.h')
| -rw-r--r-- | include/linux/delay.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/include/linux/delay.h b/include/linux/delay.h new file mode 100644 index 0000000000..3dcd435d0d --- /dev/null +++ b/include/linux/delay.h @@ -0,0 +1,24 @@ +/* + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef _LINUX_DELAY_H +#define _LINUX_DELAY_H + +#include <linux/kernel.h> + +void __udelay(unsigned long usec); +void udelay(unsigned long usec); + +static inline void mdelay(unsigned long msec) +{ + while (msec--) + udelay(1000); +} + +static inline void ndelay(unsigned long nsec) +{ + udelay(DIV_ROUND_UP(nsec, 1000)); +} + +#endif /* defined(_LINUX_DELAY_H) */ |