linux-kernel - Re: [PATCH] scsi: ufs: core: Fix RPMB region size detection for UFS 2.2

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Message-ID: <CAKTNdwGE5oR-axDGYfBCsmG_p=G1oeKCDZ6GmYoRHMN1PXcJSg@mail.gmail.com>
Date: Thu, 5 Feb 2026 12:32:51 +0400
From: Alexey Charkov <alchark@...pper.net>
To: Bean Huo <huobean@...il.com>
Cc: Alim Akhtar <alim.akhtar@...sung.com>, Avri Altman <avri.altman@....com>, 
	Bart Van Assche <bvanassche@....org>, 
	"James E.J. Bottomley" <James.Bottomley@...senpartnership.com>, 
	"Martin K. Petersen" <martin.petersen@...cle.com>, Bean Huo <beanhuo@...ron.com>, 
	Can Guo <can.guo@....qualcomm.com>, linux-scsi@...r.kernel.org, 
	linux-kernel@...r.kernel.org, stable@...r.kernel.org
Subject: Re: [PATCH] scsi: ufs: core: Fix RPMB region size detection for UFS 2.2

Hi Bean,

On Wed, Feb 4, 2026 at 12:37 PM Bean Huo <huobean@...il.com> wrote:
>
> On Fri, 2026-01-30 at 18:49 +0400, Alexey Charkov wrote:
> > > > The spec says it can only be up to 16MB maximum (see section 12.4.3.1
> > > > RPMB Resources), so it should always fit. Happy to add a comment about
> > > > that.
> > > >
> > > > Best regards,
> > > > Alexey
> > >
> > > Hi Alexey,
> > >
> > > Thanks for the clarification on the 16MB RPMB limit - that addresses the
> > > overflow concern.
> > >
> > >
> > > In your above operation, why not use SZ_128K to avoid the magic number?
> > > BTW, please update your comment.
> >
> > Good point, thanks Bean! Will amend in v2.
> >
> > Best regards,
> > Alexey
>
> Alexey,
>
> did you send your new version patch?

Just sent it out, thanks for your help!

Best regards,
Alexey