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Diffstat (limited to 'drivers/clocksource/mips-gic-timer.c')
-rw-r--r--drivers/clocksource/mips-gic-timer.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/clocksource/mips-gic-timer.c b/drivers/clocksource/mips-gic-timer.c
index 16adbc1fa4c1..b81ed1a5342d 100644
--- a/drivers/clocksource/mips-gic-timer.c
+++ b/drivers/clocksource/mips-gic-timer.c
@@ -5,6 +5,7 @@
*
* Copyright (C) 2012 MIPS Technologies, Inc. All rights reserved.
*/
+#include <linux/clk.h>
#include <linux/clockchips.h>
#include <linux/cpu.h>
#include <linux/init.h>
@@ -149,11 +150,18 @@ void __init gic_clocksource_init(unsigned int frequency)
static void __init gic_clocksource_of_init(struct device_node *node)
{
+ struct clk *clk;
+
if (WARN_ON(!gic_present || !node->parent ||
!of_device_is_compatible(node->parent, "mti,gic")))
return;
- if (of_property_read_u32(node, "clock-frequency", &gic_frequency)) {
+ clk = of_clk_get(node, 0);
+ if (!IS_ERR(clk)) {
+ gic_frequency = clk_get_rate(clk);
+ clk_put(clk);
+ } else if (of_property_read_u32(node, "clock-frequency",
+ &gic_frequency)) {
pr_err("GIC frequency not specified.\n");
return;
}