On Tue, 2018-05-29 at 12:11 -0700, Ranjani Sridharan wrote:
Hostless pipelines such as the tone pipeline do not need host page table set up.
Signed-off-by: Ranjani Sridharan ranjani.sridharan@linux.intel.com
src/ipc/handler.c | 61 +++++++++++++++++++++++++---------------------- 1 file changed, 33 insertions(+), 28 deletions(-)
diff --git a/src/ipc/handler.c b/src/ipc/handler.c index 581ce9e..0584feb 100644 --- a/src/ipc/handler.c +++ b/src/ipc/handler.c @@ -126,40 +126,45 @@ static int ipc_stream_pcm_params(uint32_t stream) cd->params = pcm_params->params;
#ifdef CONFIG_HOST_PTABLE
- /* no need to set up host page table for hostless pipelines */
- if (cd->comp.type == SOF_COMP_HOST) {
Better to make it
if (type != COMP_X) goto some_code;
This way it reduces the patch size and makes logic easier to follow.
Btw, we have 2 host comp types in the enum.
Liam
list_init(&elem_list);/** use DMA to read in compressed page table ringbuffer* from host*/err = ipc_get_page_descriptors(iipc->dmac, iipc->page_table,&pcm_params->params.buffer);if (err < 0) {trace_ipc_error("eAp");goto error;}
- list_init(&elem_list);
- /* use DMA to read in compressed page table ringbuffer from host */
- err = ipc_get_page_descriptors(iipc->dmac, iipc->page_table,
&pcm_params->params.buffer);- if (err < 0) {
trace_ipc_error("eAp");goto error;- }
- /* Parse host tables */
- host = (struct sof_ipc_comp_host *)&cd->comp;
- ring_size = pcm_params->params.buffer.size;
- err = ipc_parse_page_descriptors(iipc->page_table,
&pcm_params->params.buffer,&elem_list, host->direction);- if (err < 0) {
trace_ipc_error("eAP");goto error;- }
- list_for_item(plist, &elem_list) {
elem = container_of(plist, struct dma_sg_elem, list);
/* Parse host tables */host = (struct sof_ipc_comp_host *)&cd->comp;ring_size = pcm_params->params.buffer.size;
err = comp_host_buffer(cd, elem, ring_size);
err = ipc_parse_page_descriptors(iipc->page_table,&pcm_params->params.buffer,&elem_list, host-direction);
if (err < 0) {
trace_ipc_error("ePb");
trace_ipc_error("eAP"); goto error;
list_item_del(&elem->list);rfree(elem);
list_for_item(plist, &elem_list) {elem = container_of(plist, struct dma_sg_elem, list);err = comp_host_buffer(cd, elem, ring_size);if (err < 0) {trace_ipc_error("ePb");goto error;}list_item_del(&elem->list);rfree(elem);}#endif
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