linux-kernel - Re: [PATCH] rtc: rtc-pm8xxx: control default alarm wake up capability

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Tue, 1 Aug 2023 14:40:56 +0200
From:   Alexandre Belloni <alexandre.belloni@...tlin.com>
To:     Anvesh Jain P <quic_ajainp@...cinc.com>
Cc:     Alessandro Zummo <a.zummo@...ertech.it>, linux-rtc@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Venkata Rao Kakani <quic_vkakani@...cinc.com>
Subject: Re: [PATCH] rtc: rtc-pm8xxx: control default alarm wake up capability

On 01/08/2023 17:15:49+0530, Anvesh Jain P wrote:
> Enable & disable rtc alarm wake up capability based on
> default parameter passed from device tree.
> 

I see what you are doing but not why this is necessary, NAK.

> Signed-off-by: Venkata Rao Kakani <quic_vkakani@...cinc.com>
> Signed-off-by: Anvesh Jain P <quic_ajainp@...cinc.com>
> ---
>  drivers/rtc/rtc-pm8xxx.c | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/drivers/rtc/rtc-pm8xxx.c b/drivers/rtc/rtc-pm8xxx.c
> index f6b779c12ca7..bed57be602b6 100644
> --- a/drivers/rtc/rtc-pm8xxx.c
> +++ b/drivers/rtc/rtc-pm8xxx.c
> @@ -523,6 +523,9 @@ static int pm8xxx_rtc_probe(struct platform_device *pdev)
>  	if (rc)
>  		return rc;
>  
> +	if (of_property_read_bool(pdev->dev.of_node, "disable-alarm-wakeup"))
> +		device_set_wakeup_capable(&pdev->dev, false);
> +
>  	rc = dev_pm_set_wake_irq(&pdev->dev, rtc_dd->alarm_irq);
>  	if (rc)
>  		return rc;
> 
> base-commit: 0a8db05b571ad5b8d5c8774a004c0424260a90bd
> -- 
> 2.17.1
> 

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