[PATCH 1/2] crypto: talitos: Clean ups and comment fixes for ablkcipher commands
From: Martin Hicks <hidden>
Date: 2015-02-20 17:00:18
Also in:
linuxppc-dev
Subsystem:
crypto api, the rest · Maintainers:
Herbert Xu, "David S. Miller", Linus Torvalds
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 <redacted> --- 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