diff options
Diffstat (limited to 'dma/nwl_engine_buffers.h')
| -rw-r--r-- | dma/nwl_engine_buffers.h | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/dma/nwl_engine_buffers.h b/dma/nwl_engine_buffers.h index 0cc5343..8d1185f 100644 --- a/dma/nwl_engine_buffers.h +++ b/dma/nwl_engine_buffers.h @@ -173,7 +173,7 @@ static size_t dma_nwl_clean_buffers(nwl_dma_t * ctx, pcilib_nwl_engine_context_t size_t res = 0; uint32_t status; - unsigned char *ring = pcilib_kmem_get_ua(ctx->dmactx.pcilib, ectx->ring); + volatile unsigned char *ring = pcilib_kmem_get_ua(ctx->dmactx.pcilib, ectx->ring); ring += ectx->tail * PCILIB_NWL_DMA_DESCRIPTOR_SIZE; next_buffer: @@ -250,7 +250,7 @@ static int dma_nwl_push_buffer(nwl_dma_t *ctx, pcilib_nwl_engine_context_t *ectx int flags = 0; uint32_t val; - unsigned char *ring = pcilib_kmem_get_ua(ctx->dmactx.pcilib, ectx->ring); + volatile unsigned char *ring = pcilib_kmem_get_ua(ctx->dmactx.pcilib, ectx->ring); uint32_t ring_pa = pcilib_kmem_get_ba(ctx->dmactx.pcilib, ectx->ring); ring += ectx->head * PCILIB_NWL_DMA_DESCRIPTOR_SIZE; @@ -282,7 +282,7 @@ static size_t dma_nwl_wait_buffer(nwl_dma_t *ctx, pcilib_nwl_engine_context_t *e struct timeval start, cur; uint32_t status_size, status; - unsigned char *ring = pcilib_kmem_get_ua(ctx->dmactx.pcilib, ectx->ring); + volatile unsigned char *ring = pcilib_kmem_get_ua(ctx->dmactx.pcilib, ectx->ring); ring += ectx->tail * PCILIB_NWL_DMA_DESCRIPTOR_SIZE; @@ -337,7 +337,7 @@ static int dma_nwl_is_overflown(nwl_dma_t *ctx, pcilib_nwl_engine_context_t *ect static int dma_nwl_return_buffer(nwl_dma_t *ctx, pcilib_nwl_engine_context_t *ectx) { uint32_t val; - unsigned char *ring = pcilib_kmem_get_ua(ctx->dmactx.pcilib, ectx->ring); + volatile unsigned char *ring = pcilib_kmem_get_ua(ctx->dmactx.pcilib, ectx->ring); uint32_t ring_pa = pcilib_kmem_get_ba(ctx->dmactx.pcilib, ectx->ring); size_t bufsz = pcilib_kmem_get_block_size(ctx->dmactx.pcilib, ectx->pages, ectx->tail); |