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crypto: caam - fix start index for Protocol shared descriptors

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In case of protocol acceleration descriptors, Shared descriptor header must
carry size of header length + PDB length in words which will be skipped by
DECO while processing descriptor to provide first command word offset

Signed-off-by: Yashpal Dutta <yashpal.dutta@freescale.com>
Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Yashpal Dutta 2012-06-22 19:42:37 -05:00 committed by Herbert Xu
parent a68d259587
commit c4b664063e
1 changed files with 2 additions and 2 deletions
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4
drivers/crypto/caam/desc_constr.h
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@ -1,7 +1,7 @@
/*
* caam descriptor construction helper functions
*
* Copyright 2008-2011 Freescale Semiconductor, Inc.
* Copyright 2008-2012 Freescale Semiconductor, Inc.
*/
#include "desc.h"
@ -64,7 +64,7 @@ static inline void init_sh_desc_pdb(u32 *desc, u32 options, size_t pdb_bytes)
{
u32 pdb_len = pdb_bytes / CAAM_CMD_SZ + 1;
init_sh_desc(desc, ((pdb_len << HDR_START_IDX_SHIFT) + pdb_len) |
init_sh_desc(desc, (((pdb_len + 1) << HDR_START_IDX_SHIFT) + pdb_len) |
options);
}