| Message ID | 1442324304-20447-1-git-send-email-ludovic.desroches@atmel.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
diff --git a/drivers/dma/at_xdmac.c b/drivers/dma/at_xdmac.c index 3952bff..fbd4093 100644 --- a/drivers/dma/at_xdmac.c +++ b/drivers/dma/at_xdmac.c @@ -958,6 +958,10 @@ at_xdmac_prep_interleaved(struct dma_chan *chan, xt, xt->sgl); for (i = 0; i < xt->numf; i++) at_xdmac_increment_block_count(chan, first); + + dev_dbg(chan2dev(chan), "%s: add desc 0x%p to descs_list 0x%p\n", + __func__, first, first); + list_add_tail(&first->desc_node, &first->descs_list); } else { for (i = 0; i < xt->frame_size; i++) { size_t src_icg = 0, dst_icg = 0;
In interleaved mode, when numf > 1, we have only one descriptor for the transfer but this descriptor has to be added to the descs_list. If not, when doing remove_xfer, the descriptor won't be put back in the free_descs_list. Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com> --- drivers/dma/at_xdmac.c | 4 ++++ 1 file changed, 4 insertions(+)