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;
         }