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crypto: caam - remove unused command from aead givencrypt

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REG3 no longer needs to be updated, since it's not used after that.
This shared descriptor command is a leftover of the conversion to
AEAD interface.

Fixes: 479bcc7c5b "crypto: caam - Convert authenc to new AEAD interface"
Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Horia Geantă 2016-11-09 10:46:17 +02:00 committed by Herbert Xu
parent 00fef2b26a
commit 1b008eedb0
1 changed files with 1 additions and 4 deletions
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5
drivers/crypto/caam/caamalg.c
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@ -75,7 +75,7 @@
#define DESC_AEAD_BASE (4 * CAAM_CMD_SZ)
#define DESC_AEAD_ENC_LEN (DESC_AEAD_BASE + 11 * CAAM_CMD_SZ)
#define DESC_AEAD_DEC_LEN (DESC_AEAD_BASE + 15 * CAAM_CMD_SZ)
#define DESC_AEAD_GIVENC_LEN (DESC_AEAD_ENC_LEN + 9 * CAAM_CMD_SZ)
#define DESC_AEAD_GIVENC_LEN (DESC_AEAD_ENC_LEN + 7 * CAAM_CMD_SZ)
/* Note: Nonce is counted in enckeylen */
#define DESC_AEAD_CTR_RFC3686_LEN (4 * CAAM_CMD_SZ)
@ -697,9 +697,6 @@ copy_iv:
append_math_add(desc, VARSEQINLEN, ZERO, REG3, CAAM_CMD_SZ);
append_math_add(desc, VARSEQOUTLEN, ZERO, REG3, CAAM_CMD_SZ);
/* ivsize + cryptlen = seqoutlen - authsize */
append_math_sub_imm_u32(desc, REG3, SEQOUTLEN, IMM, ctx->authsize);
/* Skip assoc data */
append_seq_fifo_store(desc, 0, FIFOST_TYPE_SKIP | FIFOLDST_VLF);