Messages in this thread Patch in this message | | | From | guoren@kernel ... | Subject | [PATCH 06/14] clocksource/drivers/c-sky: fixup qemu fail to bootup sometimes. | Date | Mon, 31 Dec 2018 23:27:03 +0800 |
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From: Guo Ren <ren_guo@c-sky.com>
Timer startup must after timer_irq_enable. For qemu, timer tick irq hanppens but irq not enable, so it will cause qemu boot failed.
Signed-off-by: Guo Ren <ren_guo@c-sky.com> Tested-by: Liu Zhiwei <zhiwei_liu@c-sky.com> --- drivers/clocksource/timer-mp-csky.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/clocksource/timer-mp-csky.c b/drivers/clocksource/timer-mp-csky.c index a8acc43..3cb6dbc 100644 --- a/drivers/clocksource/timer-mp-csky.c +++ b/drivers/clocksource/timer-mp-csky.c @@ -79,11 +79,11 @@ static int csky_mptimer_starting_cpu(unsigned int cpu) to->clkevt.cpumask = cpumask_of(cpu); + enable_percpu_irq(csky_mptimer_irq, 0); + clockevents_config_and_register(&to->clkevt, timer_of_rate(to), 2, ULONG_MAX); - enable_percpu_irq(csky_mptimer_irq, 0); - return 0; } -- 2.7.4
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