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crypto: engine - remove {prepare,unprepare}_crypt_hardware callbacks

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The {prepare,unprepare}_crypt_hardware callbacks were added back in 2016
by commit 735d37b542 ("crypto: engine - Introduce the block request
crypto engine framework"), but they were never implemented by any driver.
Remove them as they are unused.

Since the 'engine->idling' and 'was_busy' flags are no longer needed,
remove them as well.

Signed-off-by: Ovidiu Panait <ovidiu.panait.oss@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Ovidiu Panait
2025-07-11 21:29:32 +03:00
committed by Herbert Xu
parent c470ffa6f4
commit 5eb32430df
3 changed files with 1 additions and 46 deletions
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6
Documentation/crypto/crypto_engine.rst
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@@ -36,12 +36,6 @@ engine using ``crypto_engine_stop()`` and destroy the engine with
Before transferring any request, you have to fill the context enginectx by
providing functions for the following:
* ``prepare_crypt_hardware``: Called once before any prepare functions are
called.
* ``unprepare_crypt_hardware``: Called once after all unprepare functions have
been called.
* ``prepare_cipher_request``/``prepare_hash_request``: Called before each
corresponding request is performed. If some processing or other preparatory
work is required, do it here.