diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath11k/dp.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath11k/dp.c | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/drivers/net/wireless/ath/ath11k/dp.c b/drivers/net/wireless/ath/ath11k/dp.c index 8975dc57ad..1a62407e5a 100644 --- a/drivers/net/wireless/ath/ath11k/dp.c +++ b/drivers/net/wireless/ath/ath11k/dp.c @@ -104,11 +104,14 @@ void ath11k_dp_srng_cleanup(struct ath11k_base *ab, struct dp_srng *ring) if (!ring->vaddr_unaligned) return; - if (ring->cached) + if (ring->cached) { + dma_unmap_single(ab->dev, ring->paddr_unaligned, ring->size, + DMA_FROM_DEVICE); kfree(ring->vaddr_unaligned); - else + } else { dma_free_coherent(ab->dev, ring->size, ring->vaddr_unaligned, ring->paddr_unaligned); + } ring->vaddr_unaligned = NULL; } @@ -249,7 +252,18 @@ int ath11k_dp_srng_setup(struct ath11k_base *ab, struct dp_srng *ring, if (cached) { ring->vaddr_unaligned = kzalloc(ring->size, GFP_KERNEL); - ring->paddr_unaligned = virt_to_phys(ring->vaddr_unaligned); + if (!ring->vaddr_unaligned) + return -ENOMEM; + + ring->paddr_unaligned = dma_map_single(ab->dev, + ring->vaddr_unaligned, + ring->size, + DMA_FROM_DEVICE); + if (dma_mapping_error(ab->dev, ring->paddr_unaligned)) { + kfree(ring->vaddr_unaligned); + ring->vaddr_unaligned = NULL; + return -ENOMEM; + } } } |