[PATCH v3 04/17] crypto: talitos - Add a helper function to clear j_extent field

[Christophe Leroy]

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.le...@c-s.fr
---
 drivers/crypto/talitos.c | 11 ---
 1 file 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,
-- 
2.1.0

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[PATCH v3 04/17] crypto: talitos - Add a helper function to clear j_extent field

[Christophe Leroy]

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.le...@c-s.fr
---
 drivers/crypto/talitos.c | 11 ---
 1 file 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,
-- 
2.1.0

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