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authorDaniel Lezcano <daniel.lezcano@linaro.org>2017-05-26 19:34:11 +0200
committerDaniel Lezcano <daniel.lezcano@linaro.org>2017-06-14 12:01:03 +0200
commitbb0eb050a577a866cb47c2dc37596f1207f4c2d9 (patch)
tree0767aea8f711af9a2ceed28016adec805740927f /drivers/clocksource/timer-probe.c
parent2fcc112af37fa88f8da077d6dd3bb8e38e75adb1 (diff)
downloadblackbird-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.c55
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__);
+}
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