Commit ff10ee97 authored Mar 04, 2022 by Claudiu Beznea Committed by Daniel Lezcano Mar 07, 2022

clocksource/drivers/timer-microchip-pit64b: Use notrace

Use notrace for mchp_pit64b_sched_read_clk() to avoid recursive call of
prepare_ftrace_return() when issuing:
echo function_graph > /sys/kernel/debug/tracing/current_tracer

Fixes: 625022a5 ("clocksource/drivers/timer-microchip-pit64b: Add Microchip PIT64B support")
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Link: https://lore.kernel.org/r/20220304133601.2404086-3-claudiu.beznea@microchip.com

Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>

parent 34f03f7f

drivers/clocksource/timer-microchip-pit64b.c

+1 −1

Original line number	Original line	Diff line number	Diff line
	@@ -165,7 +165,7 @@ static u64 mchp_pit64b_clksrc_read(struct clocksource *cs)
	return mchp_pit64b_cnt_read(mchp_pit64b_cs_base);		return mchp_pit64b_cnt_read(mchp_pit64b_cs_base);
	}		}

	static u64 mchp_pit64b_sched_read_clk(void)		static u64 notrace mchp_pit64b_sched_read_clk(void)
	{		{
	return mchp_pit64b_cnt_read(mchp_pit64b_cs_base);		return mchp_pit64b_cnt_read(mchp_pit64b_cs_base);
	}		}