[U-Boot] [PATCH] crypto/fsl: fix BLOB encapsulation and decapsulation

[Fabio Estevam]

Hi York,

On Wed, Jan 3, 2018 at 3:26 PM, Tom Rini <trini at konsulko.com> wrote:
> 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.gruber at 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.gruber at 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.

Could you please help applying this one?

Thanks