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authorGuo Ren <ren_guo@c-sky.com>2018-12-31 20:52:41 +0800
committerGuo Ren <ren_guo@c-sky.com>2018-12-31 23:17:23 +0800
commit0c87bb0e872cbbad59a965fc67668364066aa85e (patch)
tree9a5333366ac6d864a0036c448446895548d0f8fc /drivers/clocksource
parentd7950be145c84ca5094c52bc1ad1e7f1893d0f19 (diff)
clocksource/drivers/c-sky: fixup ftrace call-graph panic
We must add notrace on sched_clock_read, because it's called by ftrace_graph_caller. Signed-off-by: Guo Ren <ren_guo@c-sky.com>
Diffstat (limited to 'drivers/clocksource')
-rw-r--r--drivers/clocksource/timer-mp-csky.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/clocksource/timer-mp-csky.c b/drivers/clocksource/timer-mp-csky.c
index 3cb6dbc88b6d..183a9955160a 100644
--- a/drivers/clocksource/timer-mp-csky.c
+++ b/drivers/clocksource/timer-mp-csky.c
@@ -97,7 +97,7 @@ static int csky_mptimer_dying_cpu(unsigned int cpu)
/*
* clock source
*/
-static u64 sched_clock_read(void)
+static u64 notrace sched_clock_read(void)
{
return (u64)mfcr(PTIM_CCVR);
}