This just cleans up some of the initializers, and improves the comments
should any other ablkcipher modes be added in the future. The header
words 1 and 5 have more possibilities than just passing an IV. These
are pointers to the Cipher Context in/out registers.
Signed-off-by: Martin Hicks <m...@bork.org>
---
drivers/crypto/talitos.c | 12 ++++--------
1 file changed, 4 insertions(+), 8 deletions(-)
diff --git a/drivers/crypto/talitos.c b/drivers/crypto/talitos.c
index 226654c..6b2a19a 100644
--- a/drivers/crypto/talitos.c
+++ b/drivers/crypto/talitos.c
@@ -1377,11 +1377,9 @@ static int common_nonsnoop(struct talitos_edesc *edesc,
int sg_count, ret;
/* first DWORD empty */
- desc->ptr[0].len = 0;
- to_talitos_ptr(&desc->ptr[0], 0);
- desc->ptr[0].j_extent = 0;
+ desc->ptr[0] = zero_entry;
- /* cipher iv */
+ /* cipher context */
to_talitos_ptr(&desc->ptr[1], edesc->iv_dma);
desc->ptr[1].len = cpu_to_be16(ivsize);
desc->ptr[1].j_extent = 0;
@@ -1444,14 +1442,12 @@ static int common_nonsnoop(struct talitos_edesc *edesc,
edesc->dma_len, DMA_BIDIRECTIONAL);
}
- /* iv out */
+ /* cipher context out */
map_single_talitos_ptr(dev, &desc->ptr[5], ivsize, ctx->iv, 0,
DMA_FROM_DEVICE);
/* last DWORD empty */
- desc->ptr[6].len = 0;
- to_talitos_ptr(&desc->ptr[6], 0);
- desc->ptr[6].j_extent = 0;
+ desc->ptr[6] = zero_entry;
edesc->req.callback = callback;
edesc->req.context = areq;
--
1.7.10.4
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