Akhil R ff4b7df0b5
crypto: tegra - Fix HASH intermediate result handling ...
The intermediate hash values generated during an update task were
handled incorrectly in the driver. The values have a defined format for
each algorithm. Copying and pasting from the HASH_RESULT register
balantly would not work for all the supported algorithms. This incorrect
handling causes failures when there is a context switch between multiple
operations.
To handle the expected format correctly, add a separate buffer for
storing the intermediate results for each request. Remove the previous
copy/paste functions which read/wrote to the registers directly. Instead
configure the hardware to get the intermediate result copied to the
buffer and use host1x path to restore the intermediate hash results.
Fixes: 0880bb3b00akhilrajeev@nvidia.com >
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au >
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ff4b7df0b5