linux-kernel - Re: [PATCH v2] mfd: max8997: Disable interrupt handling for suspend/resume cycle

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Message-ID: <20180905162942.huedb7grtqvp3xpr@kozik-lap>
Date:   Wed, 5 Sep 2018 18:29:42 +0200
From:   Krzysztof Kozlowski <krzk@...nel.org>
To:     Marek Szyprowski <m.szyprowski@...sung.com>
Cc:     linux-kernel@...r.kernel.org, linux-samsung-soc@...r.kernel.org,
        MyungJoo Ham <myungjoo.ham@...sung.com>,
        Lee Jones <lee.jones@...aro.org>,
        Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>
Subject: Re: [PATCH v2] mfd: max8997: Disable interrupt handling for
 suspend/resume cycle

On Wed, Sep 05, 2018 at 04:36:06PM +0200, Marek Szyprowski wrote:
> Disable IRQs during suspend/resume cycle to ensure handling of wakeup
> interrupts (i.e. RTC wake alarm) after max8997_resume(). This way it can
> be properly handled when I2C bus is finally available. This pattern is
> also used in other MAX PMIC MFD drivers.
> 
> Signed-off-by: Marek Szyprowski <m.szyprowski@...sung.com>
> ---
> changelog:
> v2:
> - reordered the sequence of operation as suggested by Krzysztof Kozlowski
> ---
>  drivers/mfd/max8997.c | 2 ++
>  1 file changed, 2 insertions(+)
> 

Reviewed-by: Krzysztof Kozlowski <krzk@...nel.org>

Best regards,
Krzysztof