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

[Baehring, Olaf]

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.

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]
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So please confirm if you are intending to publish this fix to the open source community, or not. Thanks.

--
Tom