/* SPDX-License-Identifier: GPL-2.0-only */ #include <timer.h> #include <delay.h> #include <thread.h> __weak void init_timer(void) { /* do nothing */ } void udelay(unsigned int usec) { struct stopwatch sw; /* * As the timer granularity is in microseconds pad the * requested delay by one to get at least >= requested usec delay. */ usec += 1; if (!thread_yield_microseconds(usec)) return; stopwatch_init_usecs_expire(&sw, usec); stopwatch_wait_until_expired(&sw); }