mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-27 19:29:37 +00:00
clocksource/drivers/timer-gx6605s: Fixup counter reload
[ Upstream commit bc6717d55d
]
When the timer counts to the upper limit, an overflow interrupt is
generated, and the count is reset with the value in the TIME_INI
register. But the software expects to start counting from 0 when
the count overflows, so it forces TIME_INI to 0 to solve the
potential interrupt storm problem.
Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
Tested-by: Xu Kai <xukai@nationalchip.com>
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/1597735877-71115-1-git-send-email-guoren@kernel.org
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
parent
3d54a640e2
commit
688aa0e0aa
1 changed files with 1 additions and 0 deletions
|
@ -28,6 +28,7 @@ static irqreturn_t gx6605s_timer_interrupt(int irq, void *dev)
|
|||
void __iomem *base = timer_of_base(to_timer_of(ce));
|
||||
|
||||
writel_relaxed(GX6605S_STATUS_CLR, base + TIMER_STATUS);
|
||||
writel_relaxed(0, base + TIMER_INI);
|
||||
|
||||
ce->event_handler(ce);
|
||||
|
||||
|
|
Loading…
Reference in a new issue