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authorRobert Jarzmik <robert.jarzmik@free.fr>2015-10-13 21:54:29 +0200
committerVinod Koul <vinod.koul@intel.com>2015-11-16 08:32:16 +0530
commit9eeacd3a2f17438d9d286ff2f78c4709a4148be7 (patch)
treed602de8c0011d281ebaa138a6eecfc88f1e6d1d7 /drivers/dma
parent13bb26ae8850ede9cfb5ba20e646fe08e23aca97 (diff)
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dmaengine: enable DMA_CTRL_REUSE
In the current state, the capability of transfer reuse can neither be set by a slave dmaengine driver, nor used by a client driver, because the capability is not available to dma_get_slave_caps(). Fix this by adding a way to declare the capability. Fixes: 272420214d26 ("dmaengine: Add DMA_CTRL_REUSE") Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr> Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Diffstat (limited to 'drivers/dma')
-rw-r--r--drivers/dma/dmaengine.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/dma/dmaengine.c b/drivers/dma/dmaengine.c
index 3ecec1445adf..4aced6689734 100644
--- a/drivers/dma/dmaengine.c
+++ b/drivers/dma/dmaengine.c
@@ -493,6 +493,7 @@ int dma_get_slave_caps(struct dma_chan *chan, struct dma_slave_caps *caps)
caps->dst_addr_widths = device->dst_addr_widths;
caps->directions = device->directions;
caps->residue_granularity = device->residue_granularity;
+ caps->descriptor_reuse = device->descriptor_reuse;
/*
* Some devices implement only pause (e.g. to get residuum) but no