linux-kernel - Re: [PATCH] rtc: snvs: make sure clock is enabled for interrupt handle

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Message-ID: <20190205221034.GK24598@piout.net>
Date:   Tue, 5 Feb 2019 23:10:34 +0100
From:   Alexandre Belloni <alexandre.belloni@...tlin.com>
To:     Anson Huang <anson.huang@....com>
Cc:     "a.zummo@...ertech.it" <a.zummo@...ertech.it>,
        "linux-rtc@...r.kernel.org" <linux-rtc@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        dl-linux-imx <linux-imx@....com>
Subject: Re: [PATCH] rtc: snvs: make sure clock is enabled for interrupt
 handle

On 11/01/2019 07:09:02+0000, Anson Huang wrote:
> During system suspend, the SNVS RTC's clock will be disabled in
> noirq suspend phase, but SNVS RTC's alarm interrupt could still
> arrive, system will hang if SNVS RTC driver tries to access register
> without clock enabled, this patch fixes the issue of this scenario.
> 
> Signed-off-by: Anson Huang <Anson.Huang@....com>
> ---
>  drivers/rtc/rtc-snvs.c | 6 ++++++
>  1 file changed, 6 insertions(+)
Applied, thanks.

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