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

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Message-ID: <169619847484.983861.17385329877988122410.b4-ty@bootlin.com>
Date:   Mon, 2 Oct 2023 00:15:46 +0200
From:   Alexandre Belloni <alexandre.belloni@...tlin.com>
To:     Alessandro Zummo <a.zummo@...ertech.it>,
        Doug Berger <opendmb@...il.com>
Cc:     Florian Fainelli <florian.fainelli@...adcom.com>,
        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 Wed, 30 Aug 2023 15:47:47 -0700, 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.
> 
> [...]

Applied, thanks!

[1/1] rtc: brcmstb-waketimer: support level alarm_irq
      commit: e005a9b35b464be5b2e0194f717e90e7e496785d

Best regards,

-- 
Alexandre Belloni, co-owner and COO, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com