[External] Re: arm:, imx:, caam: [PATCH] bugfix CAAM error on startup

[Tom Rini]

On Mon, May 12, 2025 at 05:39:30AM +0000, Baehring, Olaf wrote:

> Internal
> 
> Hi Tom,
> 
> sorry,  this has been added by our mail system. Next time I will post from my home PC.
> Of course, as this code is open source, this fix should also be published to the open source community.
> So, let my confirm this.

Thanks for clarifying!

> 
> Best regards,
> Olaf
> 
> 
> -----Original Message-----
> From: Tom Rini <trini at konsulko.com>
> Sent: Friday, May 9, 2025 5:01 PM
> To: Baehring, Olaf <Olaf.Baehring at draeger.com>
> Cc: Heinrich Schuchardt <xypron.glpk at gmx.de>; Gaurav Jain <gaurav.jain at nxp.com>; Marek Vasut <marex at denx.de>; Peng Fan <peng.fan at nxp.com>; Simon Glass <sjg at chromium.org>; u-boot at lists.denx.de
> Subject: [External] Re: arm:, imx:, caam: [PATCH] bugfix CAAM error on startup
> 
> On Fri, May 09, 2025 at 09:40:44AM +0000, Baehring, Olaf wrote:
> 
> > Internal
> >
> > In rare cases U-Boot returns an error message when intantiating the
> > RNG of the CAAM device:
> > “SEC0:  RNG4 SH0 instantiation failed with error 0xffffffff”
> > This  means, that even when the CAAM device reports a finished
> > descriptor, none is found in the output ring.
> > This might be caused by a missing cache invalidation before reading
> > the memory of the output ring This patch moves the cache invalidation
> > of the output ring from start of the job to immediately after the
> > notification from hardware where the output ring will be read.
> >
> > Signed-off-by: Baehring, Olaf <olaf.baehring at draeger.com>
> > ---
> >
> >  drivers/crypto/fsl/jr.c | 30 +++++++++++++++++-------------
> > drivers/crypto/fsl/jr.h |  4 ----
> >  2 files changed, 17 insertions(+), 17 deletions(-)
> 
> You're starting the email by saying "Internal" and then there's:
> [snip]
> > ---
> > This communication contains confidential information. If you are not the intended recipient please return this email to the sender and delete it from your records.
> >
> > Diese Nachricht enthaelt vertrauliche Informationen. Sollten Sie nicht der beabsichtigte Empfaenger dieser E-mail sein, senden Sie bitte diese an den Absender zurueck und loeschen Sie die E-mail aus Ihrem System.
> 
> So please confirm if you are intending to publish this fix to the open source community, or not. Thanks.
> 
> --
> Tom

-- 
Tom
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