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dmaengine: xilinx_dma: Free BD consistent memory

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Free BD consistent memory while freeing the channel
i.e in free_chan_resources.

Signed-off-by: Radhey Shyam Pandey <[email protected]>
Signed-off-by: Kedareswara rao Appana <[email protected]>
Signed-off-by: Vinod Koul <[email protected]>
This commit is contained in:
Kedareswara rao Appana 2018-01-03 12:12:11 +05:30 • committed by Vinod Koul
commit 0e847d44b3
1 changed files with 5 additions and 0 deletions
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5
drivers/dma/xilinx/xilinx_dma.c
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@ -764,6 +764,11 @@ static void xilinx_dma_free_chan_resources(struct dma_chan *dchan)
INIT_LIST_HEAD(&chan->free_seg_list);
spin_unlock_irqrestore(&chan->lock, flags);
/* Free memory that is allocated for BD */
dma_free_coherent(chan->dev, sizeof(*chan->seg_v) *
XILINX_DMA_NUM_DESCS, chan->seg_v,
chan->seg_p);
/* Free Memory that is allocated for cyclic DMA Mode */
dma_free_coherent(chan->dev, sizeof(*chan->cyclic_seg_v),
chan->cyclic_seg_v, chan->cyclic_seg_p);