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Horia Geantă f1bf9e60a0 crypto: caam - fix DMA mapping direction for RSA forms 2 & 3
Crypto engine needs some temporary locations in external memory for
running RSA decrypt forms 2 and 3 (CRT).
These are named "tmp1" and "tmp2" in the PDB.

Update DMA mapping direction of tmp1 and tmp2 from TO_DEVICE to
BIDIRECTIONAL, since engine needs r/w access.

Cc: <stable@vger.kernel.org> # 4.13+
Fixes: 52e26d77b8 ("crypto: caam - add support for RSA key form 2")
Fixes: 4a651b122a ("crypto: caam - add support for RSA key form 3")
Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
History 2018-08-25 19:50:41 +08:00
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