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| author | Hongbo Zhang <hongbo.zhang@freescale.com> | 2014-04-18 10:17:46 +0200 |
|---|---|---|
| committer | Vinod Koul <vinod.koul@intel.com> | 2014-05-02 18:47:42 +0200 |
| commit | 867dfa5dfcf4545b73e39ce95bf6abdafacf95bf (patch) | |
| tree | 9c3d06e90cdbc1efb33bc4ab7e114e344cc9f348 /drivers | |
| parent | DMA: Freescale: unify register access methods (diff) | |
| download | linux-867dfa5dfcf4545b73e39ce95bf6abdafacf95bf.tar.xz linux-867dfa5dfcf4545b73e39ce95bf6abdafacf95bf.zip | |
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')
| -rw-r--r-- | 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 5f32cb8a5767..b71cc04e66ca 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; |