Re: [PATCH 02/10] dmaengine: move drivers to dma_transfer_direction

From: Vinod Koul
Date: Mon Nov 21 2011 - 11:07:15 EST


On Mon, 2011-11-21 at 15:20 +0300, Dan Carpenter wrote:
> I haven't followed this discussion at all so perhaps you were aware
> but this introduces a Sparse warning in linux-next.
>
> drivers/dma/timb_dma.c:168:17: warning: mixing different enum types
> drivers/dma/timb_dma.c:168:17: int enum dma_transfer_direction versus
> drivers/dma/timb_dma.c:168:17: int enum dma_data_direction
> drivers/dma/timb_dma.c:172:32: warning: mixing different enum types
> drivers/dma/timb_dma.c:172:32: int enum dma_transfer_direction versus
> drivers/dma/timb_dma.c:172:32: int enum dma_data_direction

Thanks, below should fix this

diff --git a/drivers/dma/timb_dma.c b/drivers/dma/timb_dma.c
index 8c88072..d142ae1 100644
--- a/drivers/dma/timb_dma.c
+++ b/drivers/dma/timb_dma.c
@@ -166,10 +166,10 @@ static void __td_unmap_desc(struct timb_dma_chan *td_chan, const u8 *dma_desc,

if (single)
dma_unmap_single(chan2dev(&td_chan->chan), addr, len,
- td_chan->direction);
+ DMA_TO_DEVICE);
else
dma_unmap_page(chan2dev(&td_chan->chan), addr, len,
- td_chan->direction);
+ DMA_TO_DEVICE);
}

static void __td_unmap_descs(struct timb_dma_desc *td_desc, bool single)
@@ -398,7 +398,7 @@ static struct timb_dma_desc *td_alloc_init_desc(struct timb_dma_chan *td_chan)
td_desc->txd.flags = DMA_CTRL_ACK;

td_desc->txd.phys = dma_map_single(chan2dmadev(chan),
- td_desc->desc_list, td_desc->desc_list_len, DMA_MEM_TO_DEV);
+ td_desc->desc_list, td_desc->desc_list_len, DMA_TO_DEVICE);

err = dma_mapping_error(chan2dmadev(chan), td_desc->txd.phys);
if (err) {
@@ -419,7 +419,7 @@ static void td_free_desc(struct timb_dma_desc *td_desc)
{
dev_dbg(chan2dev(td_desc->txd.chan), "Freeing desc: %p\n", td_desc);
dma_unmap_single(chan2dmadev(td_desc->txd.chan), td_desc->txd.phys,
- td_desc->desc_list_len, DMA_MEM_TO_DEV);
+ td_desc->desc_list_len, DMA_TO_DEVICE);

kfree(td_desc->desc_list);
kfree(td_desc);



--
~Vinod

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