From 57f0f512b273f60d52568b8c6b77e17f5636edc0 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Wed, 5 Aug 2015 17:04:01 -0300 Subject: Initial import --- drivers/clocksource/clksrc-of.c | 43 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100644 drivers/clocksource/clksrc-of.c (limited to 'drivers/clocksource/clksrc-of.c') diff --git a/drivers/clocksource/clksrc-of.c b/drivers/clocksource/clksrc-of.c new file mode 100644 index 000000000..0093a8e49 --- /dev/null +++ b/drivers/clocksource/clksrc-of.c @@ -0,0 +1,43 @@ +/* + * 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 . + */ + +#include +#include +#include + +extern struct of_device_id __clksrc_of_table[]; + +static const struct of_device_id __clksrc_of_table_sentinel + __used __section(__clksrc_of_table_end); + +void __init clocksource_of_init(void) +{ + struct device_node *np; + const struct of_device_id *match; + of_init_fn_1 init_func; + unsigned clocksources = 0; + + 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++; + } + if (!clocksources) + pr_crit("%s: no matching clocksources found\n", __func__); +} -- cgit v1.2.3-54-g00ecf