linux-kernel - Re: [RESEND v2] ufs: core: Add support for qTimestamp attribute

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Message-ID: <5f172788-f16b-7bb1-6338-24453995f221@acm.org>
Date:   Wed, 5 Jul 2023 14:13:03 -0700
From:   Bart Van Assche <bvanassche@....org>
To:     Arthur Simchaev <arthur.simchaev@....com>,
        martin.petersen@...cle.com
Cc:     avri.altman@....com, Avi.Shchislowski@....com, beanhuo@...ron.com,
        linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [RESEND v2] ufs: core: Add support for qTimestamp attribute

On 6/26/23 03:33, Arthur Simchaev wrote:
> The new qTimestamp attribute was added to UFS 4.0 spec, in order to
> synchronize timestamp between device logs and the host.The spec recommend
> to send this attribute upon device power-on Reset/HW reset or when
> switching to Active state (using SSU command). Due to this attribute,
> the attribute's max value was extended to 8 bytes. As a result,
> the new definition of struct utp_upiu_query_v4_0 was added.


Reviewed-by: Bart Van Assche <bvanassche@....org>