On Wed, Jan 03, 2018 at 02:32:44PM -0200, Fabio Estevam wrote: > Hi Tom, > > On Wed, Dec 20, 2017 at 8:08 PM, Clemens Gruber > <clemens.gru...@pqgruber.com> wrote: > > The blob_encap and blob_decap functions were not flushing the dcache > > before passing data to CAAM/DMA and not invalidating the dcache when > > getting data back. > > Therefore, blob encapsulation and decapsulation failed with errors like > > the following due to data cache incoherency: > > "40000006: DECO: desc idx 0: Invalid KEY command" > > > > To ensure coherency, we allocate aligned memory to store the data passed > > to/from CAAM and flush/invalidate the memory regions. > > Blobs can now be encapsulated and decapsulated with the blob cmd as well > > as from board code by calling blob_encap and blob_decap directly. > > > > Tested on an i.MX6Q board. > > > > Signed-off-by: Clemens Gruber <clemens.gru...@pqgruber.com> > > This bug fix patch seems like a good candidate for 2018.01. > > Not sure who can pick it and apply it. > > Tom, York? What do you guys think?
I'm fine with it coming in directly or via a PR. -- Tom
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