RISCV: config: tizen_visionfive2: Disable JH7110 crypto driver
[platform/kernel/linux-starfive.git] / drivers / clocksource / dummy_timer.c
1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  *  linux/drivers/clocksource/dummy_timer.c
4  *
5  *  Copyright (C) 2013 ARM Ltd.
6  *  All Rights Reserved
7  */
8 #include <linux/clockchips.h>
9 #include <linux/cpu.h>
10 #include <linux/init.h>
11 #include <linux/percpu.h>
12 #include <linux/cpumask.h>
13
14 static DEFINE_PER_CPU(struct clock_event_device, dummy_timer_evt);
15
16 static int dummy_timer_starting_cpu(unsigned int cpu)
17 {
18         struct clock_event_device *evt = per_cpu_ptr(&dummy_timer_evt, cpu);
19
20         evt->name       = "dummy_timer";
21         evt->features   = CLOCK_EVT_FEAT_PERIODIC |
22                           CLOCK_EVT_FEAT_ONESHOT |
23                           CLOCK_EVT_FEAT_DUMMY;
24         evt->rating     = 100;
25         evt->cpumask    = cpumask_of(cpu);
26
27         clockevents_register_device(evt);
28         return 0;
29 }
30
31 static int __init dummy_timer_register(void)
32 {
33         return cpuhp_setup_state(CPUHP_AP_DUMMY_TIMER_STARTING,
34                                  "clockevents/dummy_timer:starting",
35                                  dummy_timer_starting_cpu, NULL);
36 }
37 early_initcall(dummy_timer_register);