Messages in this thread Patch in this message | | | From | Xiubo Li <> | Subject | [PATCH] clocksource: vf_pit_timer: fix pit_read_sched_clock | Date | Tue, 15 Apr 2014 18:48:49 +0800 |
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The pit_read_sched_clock mean to getting the current counter value, and the vf pit timer is a down count timer, this should return the counter value or the cycles elapsed.
Signed-off-by: Xiubo Li <Li.Xiubo@freescale.com> --- drivers/clocksource/vf_pit_timer.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/clocksource/vf_pit_timer.c b/drivers/clocksource/vf_pit_timer.c index 02821b0..a918bc4 100644 --- a/drivers/clocksource/vf_pit_timer.c +++ b/drivers/clocksource/vf_pit_timer.c @@ -54,7 +54,7 @@ static inline void pit_irq_acknowledge(void) static u64 pit_read_sched_clock(void) { - return __raw_readl(clksrc_base + PITCVAL); + return ~__raw_readl(clksrc_base + PITCVAL); } static int __init pit_clocksource_init(unsigned long rate) -- 1.8.4
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