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authorHongbo Zhang <hongbo.zhang@freescale.com>2014-04-18 16:17:46 +0800
committerVinod Koul <vinod.koul@intel.com>2014-05-02 22:17:42 +0530
commit867dfa5dfcf4545b73e39ce95bf6abdafacf95bf (patch)
tree9c3d06e90cdbc1efb33bc4ab7e114e344cc9f348 /drivers/dma
parentccdce9a041185b2ed3009bfe426130eecdf4f551 (diff)
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>
Diffstat (limited to 'drivers/dma')
-rw-r--r--drivers/dma/fsldma.c31
1 files changed, 0 insertions, 31 deletions
diff --git a/drivers/dma/fsldma.c b/drivers/dma/fsldma.c
index 5f32cb8a576..b71cc04e66c 100644
--- a/drivers/dma/fsldma.c
+++ b/drivers/dma/fsldma.c
@@ -528,35 +528,6 @@ 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)
@@ -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;