From: Fengquan Chen <Fengquan.Chen@mediatek.com>
To: Daniel Lezcano <daniel.lezcano@linaro.org>,
Thomas Gleixner <tglx@linutronix.de>,
Matthias Brugger <matthias.bgg@gmail.com>,
<linux-kernel@vger.kernel.org>,
<linux-arm-kernel@lists.infradead.org>,
<linux-mediatek@lists.infradead.org>
Cc: <fengquan.chen@mediatek.com>, <dehui.sun@mediatek.com>,
Fengquan Chen <Fengquan.Chen@mediatek.com>
Subject: [PATCH] [v3, 1/1] clocksource/drivers/timer-mediatek: optimize systimer irq clear flow on shutdown
Date: Fri, 9 Apr 2021 16:36:06 +0800 [thread overview]
Message-ID: <1617957367-479-1-git-send-email-Fengquan.Chen@mediatek.com> (raw)
mtk_syst_clkevt_shutdown is called after irq disabled in suspend flow,
clear any pending systimer irq when shutdown to avoid suspend aborted
due to timer irq pending
Also as for systimer in mediatek socs, there must be firstly enable
timer before clear systimer irq
Fixes: e3af677607d9("clocksource/drivers/timer-mediatek: Add support for system timer")
Signed-off-by: Fengquan Chen <fengquan.chen@mediatek.com>
Fengquan Chen (1):
[v3, 1/1] clocksource/drivers/timer-mediatek: optimize systimer irq
clear flow on shutdown
drivers/clocksource/timer-mediatek.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
--
1.8.1.1.dirty
next reply other threads:[~2021-04-09 8:36 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-09 8:36 Fengquan Chen [this message]
2021-04-09 8:36 ` Fengquan Chen
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