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DMA: Freescale: remove attribute DMA_INTERRUPT of dmaengine 

Delete attribute DMA_INTERRUPT because fsldma doesn't support this function,
exception will be thrown if talitos is used to offload xor at the same time.

Signed-off-by: Hongbo Zhang <hongbo.zhang@freescale.com>
Signed-off-by: Qiang Liu <qiang.liu@freescale.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
This commit is contained in:
Hongbo Zhang 2014-04-18 16:17:46 +08:00 committed by Vinod Koul
parent ccdce9a041
commit 867dfa5dfc
1 changed files with 0 additions and 31 deletions
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31
drivers/dma/fsldma.c
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@ -527,35 +527,6 @@ static void fsl_dma_free_chan_resources(struct dma_chan *dchan)
chan->desc_pool = NULL;
}
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,
@ -1308,12 +1279,10 @@ static int 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;