linux-kernel - Re: [PATCH v5 2/3] scsi: ufs: Allow platform vendors to set rtt

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Date: Thu, 23 May 2024 06:11:59 -0700
From: "hch@...radead.org" <hch@...radead.org>
To: Avri Altman <Avri.Altman@....com>
Cc: "hch@...radead.org" <hch@...radead.org>,
	"Martin K . Petersen" <martin.petersen@...cle.com>,
	Bart Van Assche <bvanassche@....org>, 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 v5 2/3] scsi: ufs: Allow platform vendors to set rtt

On Thu, May 23, 2024 at 01:09:25PM +0000, Avri Altman wrote:
> > On Thu, May 23, 2024 at 03:58:25PM +0300, Avri Altman wrote:
> > > Allow platform vendors to take precedence having their own rtt
> > > negotiation mechanism.  This makes sense because the host controller's
> > > nortt characteristic may vary among vendors.
> > 
> > Platform vendors have absolutelyt no business saying anything.
> > 
> > Fortunately that's not what you're actually doing, but I really don't understand
> > your vendor fetish.
> It was a specific request from MTK to allow override their host controller capabilities.

Then they need to submit a patch just like anyone who wants to improve
Linux.  And not trick their NAND supplier into adding an unused hook…