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author | Daniel Lezcano <daniel.lezcano@linaro.org> | 2017-05-26 19:34:11 +0200 |
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committer | Daniel Lezcano <daniel.lezcano@linaro.org> | 2017-06-14 12:01:03 +0200 |
commit | bb0eb050a577a866cb47c2dc37596f1207f4c2d9 (patch) | |
tree | 0767aea8f711af9a2ceed28016adec805740927f /drivers/clocksource/timer-probe.c | |
parent | 2fcc112af37fa88f8da077d6dd3bb8e38e75adb1 (diff) | |
download | blackbird-op-linux-bb0eb050a577a866cb47c2dc37596f1207f4c2d9.tar.gz blackbird-op-linux-bb0eb050a577a866cb47c2dc37596f1207f4c2d9.zip |
clocksource/drivers: Rename CLKSRC_OF to TIMER_OF
The config option name is now renamed to 'TIMER_OF' for consistency with
the CLOCKSOURCE_OF_DECLARE => TIMER_OF_DECLARE change.
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/clocksource/timer-probe.c')
-rw-r--r-- | drivers/clocksource/timer-probe.c | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/drivers/clocksource/timer-probe.c b/drivers/clocksource/timer-probe.c new file mode 100644 index 000000000000..da81e5de74fe --- /dev/null +++ b/drivers/clocksource/timer-probe.c @@ -0,0 +1,55 @@ +/* + * 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 '%s': %d\n", + of_node_full_name(np), ret); + continue; + } + + timers++; + } + + timers += acpi_probe_device_table(timer); + + if (!timers) + pr_crit("%s: no matching timers found\n", __func__); +} |