diff options
| author | Eric Biggers <ebiggers@google.com> | 2025-01-05 11:23:37 -0800 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2025-01-14 11:38:32 +0800 |
| commit | 42c5675c2f5baca8bb16d2f183e05339256d207c (patch) | |
| tree | 29ee5f91d23b633b6141da35ca8cea8a402277e6 /drivers/crypto/omap-aes.h | |
| parent | ee3c9c7e27a68c66490c65141a0c9c5b1fd87695 (diff) | |
crypto: omap - switch from scatter_walk to plain offset
The omap driver was using struct scatter_walk, but only to maintain an
offset, rather than iterating through the virtual addresses of the data
contained in the scatterlist which is what scatter_walk is intended for.
Make it just use a plain offset instead. This is simpler and avoids
using struct scatter_walk in a way that is not well supported.
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/omap-aes.h')
| -rw-r--r-- | drivers/crypto/omap-aes.h | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/crypto/omap-aes.h b/drivers/crypto/omap-aes.h index 0f35c9164764..41d67780fd45 100644 --- a/drivers/crypto/omap-aes.h +++ b/drivers/crypto/omap-aes.h @@ -14,8 +14,6 @@ #define DST_MAXBURST 4 #define DMA_MIN (DST_MAXBURST * sizeof(u32)) -#define _calc_walked(inout) (dd->inout##_walk.offset - dd->inout##_sg->offset) - /* * OMAP TRM gives bitfields as start:end, where start is the higher bit * number. For example 7:0 @@ -186,8 +184,8 @@ struct omap_aes_dev { struct scatterlist out_sgl; struct scatterlist *orig_out; - struct scatter_walk in_walk; - struct scatter_walk out_walk; + unsigned int in_sg_offset; + unsigned int out_sg_offset; struct dma_chan *dma_lch_in; struct dma_chan *dma_lch_out; int in_sg_len; |