linux-kernel - Re: [PATCH 1/1] efi: rtc: Enable SET/GET WAKEUP services as optional

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Message-ID: <a7f6e0ae-3fbc-ccf7-6185-a425ad25e04f@nvidia.com>
Date:   Mon, 2 Jan 2023 16:57:02 -0600
From:   Shanker Donthineni <sdonthineni@...dia.com>
To:     Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Ard Biesheuvel <ardb@...nel.org>
Cc:     Alessandro Zummo <a.zummo@...ertech.it>, linux-rtc@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-efi@...r.kernel.org
Subject: Re: [PATCH 1/1] efi: rtc: Enable SET/GET WAKEUP services as optional

Hi Alexandre Belloni,

On 1/2/23 16:21, Alexandre Belloni wrote:
> On 02/01/2023 11:47:11+0100, Ard Biesheuvel wrote:
>> On Tue, 27 Dec 2022 at 05:09, Shanker Donthineni<sdonthineni@...dia.com>  wrote:
>>> The current implementation of rtc-efi is expecting all the 4
>>> time services GET{SET}_TIME{WAKEUP} must be supported by UEFI
>>> firmware. As per the EFI_RT_PROPERTIES_TABLE, the platform
>>> specific implementations can choose to enable selective time
>>> services based on the RTC device capabilities.
>>>
>>> This patch does the following changes to provide GET/SET RTC
>>> services on platforms that do not support the WAKEUP feature.
>>>
>>> 1) Relax time services cap check when creating a platform device.
>>> 2) Clear RTC_FEATURE_ALARM bit in the absence of WAKEUP services.
>>> 3) Conditional alarm entries in '/proc/driver/rtc'.
>>>
>>> Signed-off-by: Shanker Donthineni<sdonthineni@...dia.com>
>> Queued as a fix in efi/urgent, thanks.
> This rather seems like an rtc heavy patch and the subject line is
> misleading. This should be rtc: efi:
> Also, I'm pretty sure this doesn't qualify as an urgent fix.
> 

Thanks, I'll post v2 patch with your suggested subject.