diff --git a/[refs] b/[refs]
index d59b843c425e..0b73e7a658b4 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 98f92f2f9e2fd959157b1d52f7ae160683812740
+refs/heads/master: ba9786f32473410bbec256db9745a7fbcaace69f
diff --git a/trunk/arch/mips/kernel/perf_event.c b/trunk/arch/mips/kernel/perf_event.c
index 8f7d2f84d095..a8244854d3dc 100644
--- a/trunk/arch/mips/kernel/perf_event.c
+++ b/trunk/arch/mips/kernel/perf_event.c
@@ -169,7 +169,7 @@ static void mipspmu_event_update(struct perf_event *event,
 	unsigned long flags;
 	int shift = 64 - TOTAL_BITS;
 	s64 prev_raw_count, new_raw_count;
-	s64 delta;
+	u64 delta;
 
 again:
 	prev_raw_count = local64_read(&hwc->prev_count);