Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * Copyright (c) 2012, NVIDIA CORPORATION. All rights reserved.
4 */
5
6#include <linux/acpi.h>
7#include <linux/init.h>
8#include <linux/of.h>
9#include <linux/clocksource.h>
10
11extern struct of_device_id __timer_of_table[];
12
13static const struct of_device_id __timer_of_table_sentinel
14 __used __section(__timer_of_table_end);
15
16void __init timer_probe(void)
17{
18 struct device_node *np;
19 const struct of_device_id *match;
20 of_init_fn_1_ret init_func_ret;
21 unsigned timers = 0;
22 int ret;
23
24 for_each_matching_node_and_match(np, __timer_of_table, &match) {
25 if (!of_device_is_available(np))
26 continue;
27
28 init_func_ret = match->data;
29
30 ret = init_func_ret(np);
31 if (ret) {
32 pr_err("Failed to initialize '%pOF': %d\n", np, ret);
33 continue;
34 }
35
36 timers++;
37 }
38
39 timers += acpi_probe_device_table(timer);
40
41 if (!timers)
42 pr_crit("%s: no matching timers found\n", __func__);
43}