/* * Copyright (c) 2012, NVIDIA CORPORATION.  All rights reserved. * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, * version 2, as published by the Free Software Foundation. * * This program is distributed in the hope it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for * more details. * * You should have received a copy of the GNU General Public License * along with this program.  If not, see <http://www.gnu.org/licenses/>. */ #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) {			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__);}