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(I'm so sorry!) Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux
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931 B · 37 lines
C
at master
1234567891011121314151617181920212223242526272829303132333435363738// SPDX-License-Identifier: GPL-2.0-only/* * linux/drivers/clocksource/dummy_timer.c * * Copyright (C) 2013 ARM Ltd. * All Rights Reserved */#include <linux/clockchips.h>#include <linux/cpu.h>#include <linux/init.h>#include <linux/percpu.h>#include <linux/cpumask.h>
static DEFINE_PER_CPU(struct clock_event_device, dummy_timer_evt);
static int dummy_timer_starting_cpu(unsigned int cpu){ struct clock_event_device *evt = per_cpu_ptr(&dummy_timer_evt, cpu);
evt->name = "dummy_timer"; evt->features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT | CLOCK_EVT_FEAT_DUMMY; evt->rating = 100; evt->cpumask = cpumask_of(cpu);
clockevents_register_device(evt); return 0;}
static int __init dummy_timer_register(void){ return cpuhp_setup_state(CPUHP_AP_DUMMY_TIMER_STARTING, "clockevents/dummy_timer:starting", dummy_timer_starting_cpu, NULL);}early_initcall(dummy_timer_register);