diff options
| author | LEROY Christophe <christophe.leroy@c-s.fr> | 2015-04-17 14:31:55 (GMT) |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2015-04-21 01:14:40 (GMT) |
| commit | 185eb79f6a6536c2b61d2638e138ca439bd327c3 (patch) | |
| tree | d90ffe8aa511bfa3909a450a1d1b1fd9c5c55ff4 /drivers/crypto/talitos.c | |
| parent | edc6bd698a4d335db0962aac8ab07f2840786a02 (diff) | |
| download | linux-185eb79f6a6536c2b61d2638e138ca439bd327c3.tar.xz | |
crypto: talitos - Add a helper function to clear j_extent field
j_extent field is specific to SEC2 so we add a helper function to clear it
so that SEC1 can redefine that function as nop
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/talitos.c')
| -rw-r--r-- | drivers/crypto/talitos.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/crypto/talitos.c b/drivers/crypto/talitos.c index fca0aed..c93f79b 100644 --- a/drivers/crypto/talitos.c +++ b/drivers/crypto/talitos.c @@ -61,6 +61,11 @@ static void to_talitos_ptr(struct talitos_ptr *ptr, dma_addr_t dma_addr) ptr->eptr = upper_32_bits(dma_addr); } +static void to_talitos_ptr_extent_clear(struct talitos_ptr *ptr) +{ + ptr->j_extent = 0; +} + /* * map virtual single (contiguous) pointer to h/w descriptor pointer */ @@ -1372,7 +1377,7 @@ int map_sg_in_talitos_ptr(struct device *dev, struct scatterlist *src, int sg_count; ptr->len = cpu_to_be16(len); - ptr->j_extent = 0; + to_talitos_ptr_extent_clear(ptr); sg_count = talitos_map_sg(dev, src, edesc->src_nents ? : 1, dir, edesc->src_chained); @@ -1402,7 +1407,7 @@ void map_sg_out_talitos_ptr(struct device *dev, struct scatterlist *dst, struct talitos_ptr *ptr, int sg_count) { ptr->len = cpu_to_be16(len); - ptr->j_extent = 0; + to_talitos_ptr_extent_clear(ptr); if (dir != DMA_NONE) sg_count = talitos_map_sg(dev, dst, edesc->dst_nents ? : 1, @@ -1444,7 +1449,7 @@ static int common_nonsnoop(struct talitos_edesc *edesc, /* cipher iv */ to_talitos_ptr(&desc->ptr[1], edesc->iv_dma); desc->ptr[1].len = cpu_to_be16(ivsize); - desc->ptr[1].j_extent = 0; + to_talitos_ptr_extent_clear(&desc->ptr[1]); /* cipher key */ map_single_talitos_ptr(dev, &desc->ptr[2], ctx->keylen, |