With DMA API debugging Barebox complains that the descriptors are never
mapped before a sync. Add the map and unmap function calls.
Signed-off-by: Rouven Czerwinski <r.czerwinski@xxxxxxxxxxxxxx>
---
v2:
- remove dma_map_sync_single_for_device() calls
- remove dma_map_single for dma coherent memory
drivers/crypto/caam/caamrng.c | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/drivers/crypto/caam/caamrng.c b/drivers/crypto/caam/caamrng.c
index ea154913ca..03e75d0b7b 100644
--- a/drivers/crypto/caam/caamrng.c
+++ b/drivers/crypto/caam/caamrng.c
@@ -91,6 +91,7 @@ static void rng_done(struct device *jrdev, u32 *desc, u32 err, void *context)
/* Buffer refilled, invalidate cache */
dma_sync_single_for_cpu(jrdev, bd->addr, RN_BUF_SIZE, DMA_FROM_DEVICE);
+ dma_unmap_single(jrdev, (unsigned long)desc, desc_bytes(desc), DMA_TO_DEVICE);
}
static inline int submit_job(struct caam_rng_ctx *ctx, int to_current)
@@ -102,8 +103,7 @@ static inline int submit_job(struct caam_rng_ctx *ctx, int to_current)
dev_dbg(jrdev, "submitting job %d\n", !(to_current ^ ctx->current_buf));
- dma_sync_single_for_device(jrdev, (unsigned long)desc, desc_bytes(desc),
- DMA_TO_DEVICE);
+ dma_map_single(jrdev, (void *)desc, desc_bytes(desc), DMA_TO_DEVICE);
err = caam_jr_enqueue(jrdev, desc, rng_done, ctx);
if (!err)
@@ -180,8 +180,7 @@ static inline int rng_create_sh_desc(struct caam_rng_ctx *ctx)
ctx->sh_desc_dma = (dma_addr_t)desc;
- dma_sync_single_for_device(ctx->jrdev, (unsigned long)desc, desc_bytes(desc),
- DMA_TO_DEVICE);
+ dma_map_single(ctx->jrdev, desc, desc_bytes(desc), DMA_TO_DEVICE);
print_hex_dump_debug("rng shdesc@: ", DUMP_PREFIX_OFFSET, 16, 4,
desc, desc_bytes(desc), 1);
--
2.39.2
