linux-kernel - Re: [PATCH v1 1/2] scsi: ufs: core: Add UFS RTC support

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Date:   Tue, 14 Nov 2023 19:42:51 +0100
From:   Bean Huo <beanhuo@...pp.de>
To:     Avri Altman <Avri.Altman@....com>,
        "bvanassche@....org" <bvanassche@....org>,
        "alim.akhtar@...sung.com" <alim.akhtar@...sung.com>,
        "jejb@...ux.ibm.com" <jejb@...ux.ibm.com>,
        "martin.petersen@...cle.com" <martin.petersen@...cle.com>,
        "stanley.chu@...iatek.com" <stanley.chu@...iatek.com>,
        "mani@...nel.org" <mani@...nel.org>,
        "quic_cang@...cinc.com" <quic_cang@...cinc.com>,
        "quic_asutoshd@...cinc.com" <quic_asutoshd@...cinc.com>,
        "beanhuo@...ron.com" <beanhuo@...ron.com>
Cc:     "linux-scsi@...r.kernel.org" <linux-scsi@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "mikebi@...ron.com" <mikebi@...ron.com>,
        "lporzio@...ron.com" <lporzio@...ron.com>
Subject: Re: [PATCH v1 1/2] scsi: ufs: core: Add UFS RTC support

Hi Avri, 


On Thu, 2023-11-09 at 15:09 +0000, Avri Altman wrote:
> > The objective of this patch is to incorporate Real Time Clock (RTC)
> > support in
> > Universal Flash Storage (UFS) device. This enhancement is crucial
> > for the
> > internal maintenance operations of the UFS device. The patch
> > enables the
> > device to handle both absolute and relative time information.
> > Furthermore, it
> > includes periodic task to update the RTC in accordance with the UFS
> > specification, ensuring the accuracy of RTC information for the
> > device's
> > internal processes.
> Maybe add some reference to qTimestamp and explain why RTC in seconds
> is still needed,
> when RTC in nanoseconds is already implemented?

Yes, I will add an explanation in the next version.

Kind regards,
Bean