Delete attribute DMA_INTERRUPT because fsl-dma doesn't support this function,
exception will be thrown if talitos is used to offload xor at the same time.
Cc: Dan Williams <dan.j.williams@xxxxxxxxx>
Cc: Vinod Koul <vinod.koul@xxxxxxxxx>
Cc: Li Yang <leoli@xxxxxxxxxxxxx>
Signed-off-by: Qiang Liu <qiang.liu@xxxxxxxxxxxxx>
Acked-by: Ira W. Snyder <iws@xxxxxxxxxxxxxxxx>
---
drivers/dma/fsldma.c | 31 -------------------------------
1 files changed, 0 insertions(+), 31 deletions(-)
diff --git a/drivers/dma/fsldma.c b/drivers/dma/fsldma.c
index 8f84761..4f2f212 100644
--- a/drivers/dma/fsldma.c
+++ b/drivers/dma/fsldma.c
@@ -543,35 +543,6 @@ static void fsl_dma_free_chan_resources(struct dma_chan *dchan)
}
static struct dma_async_tx_descriptor *
-fsl_dma_prep_interrupt(struct dma_chan *dchan, unsigned long flags)
-{
- struct fsldma_chan *chan;
- struct fsl_desc_sw *new;
-
- if (!dchan)
- return NULL;
-
- chan = to_fsl_chan(dchan);
-
- new = fsl_dma_alloc_descriptor(chan);
- if (!new) {
- chan_err(chan, "%s\n", msg_ld_oom);
- return NULL;
- }
-
- new->async_tx.cookie = -EBUSY;
- new->async_tx.flags = flags;
-
- /* Insert the link descriptor to the LD ring */
- list_add_tail(&new->node, &new->tx_list);
-
- /* Set End-of-link to the last link descriptor of new list */
- set_ld_eol(chan, new);
-
- return &new->async_tx;
-}
-
-static struct dma_async_tx_descriptor *
fsl_dma_prep_memcpy(struct dma_chan *dchan,
dma_addr_t dma_dst, dma_addr_t dma_src,
size_t len, unsigned long flags)
@@ -1352,12 +1323,10 @@ static int __devinit fsldma_of_probe(struct platform_device *op)
fdev->irq = irq_of_parse_and_map(op->dev.of_node, 0);
dma_cap_set(DMA_MEMCPY, fdev->common.cap_mask);
- dma_cap_set(DMA_INTERRUPT, fdev->common.cap_mask);
dma_cap_set(DMA_SG, fdev->common.cap_mask);
dma_cap_set(DMA_SLAVE, fdev->common.cap_mask);
fdev->common.device_alloc_chan_resources = fsl_dma_alloc_chan_resources;
fdev->common.device_free_chan_resources = fsl_dma_free_chan_resources;
- fdev->common.device_prep_dma_interrupt = fsl_dma_prep_interrupt;
fdev->common.device_prep_dma_memcpy = fsl_dma_prep_memcpy;
fdev->common.device_prep_dma_sg = fsl_dma_prep_sg;
fdev->common.device_tx_status = fsl_tx_status;
--
1.7.5.1
--
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