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authorHoria Geantă <horia.geanta@nxp.com>2016-11-09 11:46:17 +0300
committerHerbert Xu <herbert@gondor.apana.org.au>2016-11-13 12:45:11 +0300
commit1b008eedb0afcc7afa26f17ce16069789f8ce5ba (patch)
tree5b9562a3045c1a396808a2d245a1e8eb5faedbdb /drivers/crypto
parent00fef2b26a354ab9c1316f15677cb36966c91240 (diff)
downloadlinux-1b008eedb0afcc7afa26f17ce16069789f8ce5ba.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')
-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 cb26a57c5aaf..1982dacce80e 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);