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authorGuo Ren <ren_guo@c-sky.com>2018-12-20 15:21:41 +0800
committerGuo Ren <ren_guo@c-sky.com>2018-12-31 22:58:48 +0800
commit1d95fe4d3de42e915bc22d5fd6cd4de103c5e517 (patch)
tree95a918b141f5d660ad36a82543ffd7ef5b858e5e
parent789154c2ad74c29c3c60c5136c1785745abe4897 (diff)
downloadlinux-1d95fe4d3de42e915bc22d5fd6cd4de103c5e517.tar.bz2
clocksource/drivers/c-sky: fixup qemu fail to bootup sometimes.
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>
-rw-r--r--drivers/clocksource/timer-mp-csky.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/clocksource/timer-mp-csky.c b/drivers/clocksource/timer-mp-csky.c
index a8acc431a774..3cb6dbc88b6d 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;
}