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authorHoria Geantă <horia.geanta@nxp.com>2016-11-09 08:46:17 (GMT)
committerXie Xiaobo <xiaobo.xie@nxp.com>2017-09-25 07:25:20 (GMT)
commitc68892d127ad249a0ecd211eefae1c15893907c3 (patch)
treed860921e919590f3273e0430e752ec6e79b8c7c6 /drivers/crypto/caam
parente69c25eb46a4c3ef378f8db7dce0bb03c4a932a7 (diff)
downloadlinux-c68892d127ad249a0ecd211eefae1c15893907c3.tar.xz
crypto: caam - remove unused command from aead givencrypt
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: 479bcc7c5b9e1 "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>
Diffstat (limited to 'drivers/crypto/caam')
-rw-r--r--drivers/crypto/caam/caamalg.c5
1 files changed, 1 insertions, 4 deletions
diff --git a/drivers/crypto/caam/caamalg.c b/drivers/crypto/caam/caamalg.c
index d487f89..3afbc01 100644
--- a/drivers/crypto/caam/caamalg.c
+++ b/drivers/crypto/caam/caamalg.c
@@ -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);