linux-kernel - RE: [PATCH v3] scsi: ufs: Allow RTT negotiation

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Date: Thu, 16 May 2024 00:23:41 +0000
From: Avri Altman <Avri.Altman@....com>
To: Bart Van Assche <bvanassche@....org>, "Martin K . Petersen"
	<martin.petersen@...cle.com>
CC: Bean Huo <beanhuo@...ron.com>, Peter Wang <peter.wang@...iatek.com>,
	"linux-scsi@...r.kernel.org" <linux-scsi@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH v3] scsi: ufs: Allow RTT negotiation

> On 5/14/24 22:56, Avri Altman wrote:
> > Via ufs-utils - https://github.com/westerndigitalcorporation/ufs-utils
> > You may remember - this is why we needed the ufs-bsg interface we added few
> years ago.
> > Ufs-utils is the industry standard with respect of configuring and provisioning ufs
> devices,
> > And currently is being used by the vast majority of ufs stake-holders:
> > device manufacturers, platform manufacturers, mobile vendors, etc.
> 
> Given the importance of the RTT parameter, please provide a sysfs
> attribute for reading and configuring this parameter. UFS users should
> not be encouraged to change UFS device parameters without the UFSHCI
> driver being aware of these changes.
OK.

Btw, max_number_of_rtt is available for reading, like any other attribute.
Will allow to write it as well.

Thanks,
Avri 

> 
> Thanks,
> 
> Bart.