diff options
| author | Uri Simchoni <uri@jdland.co.il> | 2010-04-08 19:33:26 +0300 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2010-04-13 16:50:48 +0800 |
| commit | 0c5c6c4bae8fe9ae3d86b44c332eb1267df1ec99 (patch) | |
| tree | 25dd8045449682dcb0c241d957ce8410f9e787f0 | |
| parent | f0d03deaad05d9cc99cd2ee0475c9ecd726c19ae (diff) | |
crypto: mv_cesa - Support processing of data from previous requests
Support processing of data from previous requests (as in hashing
update/final requests).
Signed-off-by: Uri Simchoni <uri@jdland.co.il>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| -rw-r--r-- | drivers/crypto/mv_cesa.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/crypto/mv_cesa.c b/drivers/crypto/mv_cesa.c index 49a22060fb51..d0fb10e701c5 100644 --- a/drivers/crypto/mv_cesa.c +++ b/drivers/crypto/mv_cesa.c @@ -184,10 +184,11 @@ static void copy_src_to_buf(struct req_progress *p, char *dbuf, int len) static void setup_data_in(void) { struct req_progress *p = &cpg->p; - p->crypt_len = + int data_in_sram = min(p->hw_nbytes - p->hw_processed_bytes, cpg->max_req_size); - copy_src_to_buf(p, cpg->sram + SRAM_DATA_IN_START, - p->crypt_len); + copy_src_to_buf(p, cpg->sram + SRAM_DATA_IN_START + p->crypt_len, + data_in_sram - p->crypt_len); + p->crypt_len = data_in_sram; } static void mv_process_current_q(int first_block) @@ -298,6 +299,7 @@ static void dequeue_complete_req(void) } while (need_copy_len > 0); } + cpg->p.crypt_len = 0; BUG_ON(cpg->eng_st != ENGINE_W_DEQUEUE); if (cpg->p.hw_processed_bytes < cpg->p.hw_nbytes) { |