/* * 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__); }