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/*
* 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 __clksrc_of_table[];
extern struct of_device_id __clksrc_ret_of_table[];
static const struct of_device_id __clksrc_of_table_sentinel
__used __section(__clksrc_of_table_end);
static const struct of_device_id __clksrc_ret_of_table_sentinel
__used __section(__clksrc_ret_of_table_end);
void __init clocksource_probe(void)
{
struct device_node *np;
const struct of_device_id *match;
of_init_fn_1 init_func;
of_init_fn_1_ret init_func_ret;
unsigned clocksources = 0;
int ret;
for_each_matching_node_and_match(np, __clksrc_of_table, &match) {
if (!of_device_is_available(np))
continue;
init_func = match->data;
init_func(np);
clocksources++;
}
for_each_matching_node_and_match(np, __clksrc_ret_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 '%s': %d",
of_node_full_name(np), ret);
continue;
}
clocksources++;
}
clocksources += acpi_probe_device_table(clksrc);
if (!clocksources)
pr_crit("%s: no matching clocksources found\n", __func__);
}
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