Cregit: Linux 5.9: timer-probe.c

Contributors: 8
Author	Tokens	Token Proportion	Commits	Commit Proportion
Daniel Lezcano	61	44.20%	3	30.00%
Stephen Warren	42	30.43%	1	10.00%
Linus Walleij	14	10.14%	1	10.00%
Marc Zyngier	8	5.80%	1	10.00%
Jon Hunter	7	5.07%	1	10.00%
Arnd Bergmann	3	2.17%	1	10.00%
Thomas Gleixner	2	1.45%	1	10.00%
Rob Herring	1	0.72%	1	10.00%
Total	138		10

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Copyright (c) 2012, NVIDIA CORPORATION.  All rights reserved.
 */

#include <linux/acpi.h>
#include <linux/init.h>
#include <linux/of.h>
#include <linux/clocksource.h>

extern struct of_device_id __timer_of_table[];

static const struct of_device_id __timer_of_table_sentinel
	__used __section(__timer_of_table_end);

void __init timer_probe(void)
{
	struct device_node *np;
	const struct of_device_id *match;
	of_init_fn_1_ret init_func_ret;
	unsigned timers = 0;
	int ret;

	for_each_matching_node_and_match(np, __timer_of_table, &match) {
		if (!of_device_is_available(np))
			continue;

		init_func_ret = match->data;

		ret = init_func_ret(np);
		if (ret) {
			if (ret != -EPROBE_DEFER)
				pr_err("Failed to initialize '%pOF': %d\n", np,
				       ret);
			continue;
		}

		timers++;
	}

	timers += acpi_probe_device_table(timer);

	if (!timers)
		pr_crit("%s: no matching timers found\n", __func__);
}