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>

diff --git a/drivers/crypto/caam/caamalg.c b/drivers/crypto/caam/caamalg.c
index cb26a57c5aafb74ead8c08bf6e5dc324f2fe362d..1982dacce80e394d80fabe72e02fc667b6bc759c 100644 (file)
--- 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);