diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/compat.h | 2 | ||||
| -rw-r--r-- | include/linux/delay.h | 24 |
2 files changed, 24 insertions, 2 deletions
diff --git a/include/linux/compat.h b/include/linux/compat.h index 533983f..a43e4d6 100644 --- a/include/linux/compat.h +++ b/include/linux/compat.h @@ -15,8 +15,6 @@ struct p_current{ extern struct p_current *current; -#define ndelay(x) udelay((x) < 1000 ? 1 : (x)/1000) - #define dev_dbg(dev, fmt, args...) \ debug(fmt, ##args) #define dev_vdbg(dev, fmt, args...) \ diff --git a/include/linux/delay.h b/include/linux/delay.h new file mode 100644 index 0000000..3dcd435 --- /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) */ |