arm:, imx:, caam: [PATCH] bugfix CAAM error on startup
Tom Rini
trini at konsulko.com
Fri May 9 17:01:26 CEST 2025
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
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