linux-kernel - [PATCH] clocksource/drivers/timer-mediatek: optimize systimer irq clear flow on Mediatek Socs

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Date:   Tue, 2 Mar 2021 15:28:04 +0800
From:   Fengquan Chen <Fengquan.Chen@...iatek.com>
To:     Daniel Lezcano <daniel.lezcano@...aro.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Matthias Brugger <matthias.bgg@...il.com>,
        <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-mediatek@...ts.infradead.org>
CC:     <fengquan.chen@...iatek.com>, <dehui.sun@...iatek.com>,
        Fengquan Chen <Fengquan.Chen@...iatek.com>
Subject: [PATCH] clocksource/drivers/timer-mediatek: optimize systimer irq clear flow on Mediatek Socs

clocksource/drivers/timer-mediatek: optimize systimer irq clear flow on Mediatek Socs

1)ensure systimer is enabled before clear and disable interrupt, which only
  for systimer in Mediatek Socs.

2)clear any pending timer-irq when shutdown to keep suspend flow clean,
  when use systimer as tick-broadcast timer

Signed-off-by: Fengquan Chen <fengquan.chen@...iatek.com>

Fengquan Chen (1):
  clocksource/drivers/timer-mediatek: optimize systimer irq clear flow
    on Mediatek Socs

 drivers/clocksource/timer-mediatek.c | 4 ++++
 1 file changed, 4 insertions(+)

-- 
1.8.1.1.dirty