1 files changed, 2 insertions, 0 deletions

diff --git a/arch/arm/plat-omap/clock.c b/arch/arm/plat-omap/clock.c
index 62ec5c452792..706b7e29397f 100644
--- a/arch/arm/plat-omap/clock.c
+++ b/arch/arm/plat-omap/clock.c
@@ -461,6 +461,7 @@ static int clk_dbg_show_summary(struct seq_file *s, void *unused)
         struct clk *c;
         struct clk *pa;
 
+        mutex_lock(&clocks_mutex);
         seq_printf(s, "%-30s %-30s %-10s %s\n",
                 "clock-name", "parent-name", "rate", "use-count");
 
@@ -469,6 +470,7 @@ static int clk_dbg_show_summary(struct seq_file *s, void *unused)
                 seq_printf(s, "%-30s %-30s %-10lu %d\n",
                         c->name, pa ? pa->name : "none", c->rate, c->usecount);
         }
+        mutex_unlock(&clocks_mutex);
 
         return 0;
 }