With dma api debugging enabled, Barebox complains correctly that the result and desc buffer are never mapped correctly. Add the correct map and unmap sequence. Signed-off-by: Rouven Czerwinski <r.czerwinski@xxxxxxxxxxxxxx> --- drivers/crypto/caam/rng_self_test.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/crypto/caam/rng_self_test.c b/drivers/crypto/caam/rng_self_test.c index b6fcc3bc09..f5ab974a98 100644 --- a/drivers/crypto/caam/rng_self_test.c +++ b/drivers/crypto/caam/rng_self_test.c @@ -186,6 +186,8 @@ int caam_rng_self_test(struct device *dev, const u8 caam_era, const u8 rngvid, construct_rng_self_test_jobdesc(desc, rng_st_dsc, result, desc_size); + dma_map_single(dev, desc, desc_size * sizeof(*desc), DMA_TO_DEVICE); + dma_map_single(dev, result, result_size * sizeof(*result), DMA_FROM_DEVICE); dma_sync_single_for_device(dev, (unsigned long)desc, desc_size * sizeof(*desc), DMA_TO_DEVICE); dma_sync_single_for_device(dev, (unsigned long)result, @@ -218,6 +220,8 @@ int caam_rng_self_test(struct device *dev, const u8 caam_era, const u8 rngvid, ret = 0; err: + dma_unmap_single(dev, (dma_addr_t)desc, desc_size * sizeof(*desc), DMA_TO_DEVICE); + dma_unmap_single(dev, (dma_addr_t)result, result_size * sizeof(*result), DMA_FROM_DEVICE); dma_free(desc); dma_free(result); return ret; -- 2.39.2
