1 /* SPDX-License-Identifier: GPL-2.0 */
8  * Delay routines, using a pre-computed "loops_per_jiffy" value.
19  *   https://lists.openwall.net/linux-kernel/2011/01/09/56
34  * specific values can be defined in asm-???/delay.h as an override.
36  * while loop for the common cases where n <= MAX_UDELAY_MS  --  Paul G.
46 	({unsigned long __ms=(n); while (__ms--) udelay(1000);}))
50 static inline void ndelay(unsigned long x)  in ndelay()  argument
52 	udelay(DIV_ROUND_UP(x, 1000));  in ndelay()
54 #define ndelay(x) ndelay(x)  argument
63 void usleep_range_state(unsigned long min, unsigned long max,
66 static inline void usleep_range(unsigned long min, unsigned long max)  in usleep_range()  argument
68 	usleep_range_state(min, max, TASK_UNINTERRUPTIBLE);  in usleep_range()
71 static inline void usleep_idle_range(unsigned long min, unsigned long max)  in usleep_idle_range()  argument
73 	usleep_range_state(min, max, TASK_IDLE);  in usleep_idle_range()
81 /* see Documentation/timers/timers-howto.rst for the thresholds */