On Wed, May 21, 2025 at 8:09 AM Fabio Estevam <feste...@gmail.com> wrote: > > From: Olaf Baehring <olaf.baehr...@draeger.com> > > 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: Olaf Baehring <olaf.baehr...@draeger.com> > Signed-off-by: Fabio Estevam <feste...@gmail.com>
Applied, thanks.
