linux-kernel - Re: [PATCH] rtc: brcmstb-waketimer: support level alarm

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Date:   Fri, 15 Sep 2023 11:50:44 -0700
From:   Florian Fainelli <florian.fainelli@...adcom.com>
To:     Doug Berger <opendmb@...il.com>,
        Alessandro Zummo <a.zummo@...ertech.it>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>
Cc:     Broadcom internal kernel review list 
        <bcm-kernel-feedback-list@...adcom.com>, linux-rtc@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] rtc: brcmstb-waketimer: support level alarm_irq

On 8/31/23 16:27, Florian Fainelli wrote:
> On 8/30/23 15:47, Doug Berger wrote:
>> Some devices (e.g. BCM72112) use an alarm_irq interrupt that is
>> connected to a level interrupt controller rather than an edge
>> interrupt controller. In this case, the interrupt cannot be left
>> enabled by the irq handler while preserving the hardware wake-up
>> signal on wake capable devices or an interrupt storm will occur.
>>
>> The alarm_expired flag is introduced to allow the disabling of
>> the interrupt when an alarm expires and to support balancing the
>> calls to disable_irq() and enable_irq() in accordance with the
>> existing design.
>>
>> Fixes: 24304a87158a ("rtc: brcmstb-waketimer: allow use as non-wake 
>> alarm")
>> Signed-off-by: Doug Berger <opendmb@...il.com>
> 
> Reviewed-by: Florian Fainelli <florian.fainelli@...adcom.com>

Alexandre, any chance you could apply this patch? Thanks!
-- 
Florian


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