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authorLars-Peter Clausen <lars@metafoo.de>2013-11-25 19:07:46 +0400
committerVinod Koul <vinod.koul@intel.com>2013-12-16 07:48:47 +0400
commitb714b84e2b74de68b12847bcaf2cf409a18fb741 (patch)
tree7f43330570b76e769a1a027fba30f00d772b892d /drivers/dma
parent319e2e3f63c348a9b66db4667efa73178e18b17d (diff)
downloadlinux-b714b84e2b74de68b12847bcaf2cf409a18fb741.tar.xz
dma: pl330: Alloc dma_parms for the dma device
In order to be able to set a maximum segment size for the device we need to allocate a dma_parameters struct for the device first. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Diffstat (limited to 'drivers/dma')
-rw-r--r--drivers/dma/pl330.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/dma/pl330.c b/drivers/dma/pl330.c
index cdf0483b8f2d..7adaf3abffba 100644
--- a/drivers/dma/pl330.c
+++ b/drivers/dma/pl330.c
@@ -578,6 +578,9 @@ struct dma_pl330_dmac {
/* DMA-Engine Device */
struct dma_device ddma;
+ /* Holds info about sg limitations */
+ struct device_dma_parameters dma_parms;
+
/* Pool of descriptors available for the DMAC's channels */
struct list_head desc_pool;
/* To protect desc_pool manipulation */
@@ -3023,6 +3026,9 @@ pl330_probe(struct amba_device *adev, const struct amba_id *id)
"unable to register DMA to the generic DT DMA helpers\n");
}
}
+
+ adev->dev.dma_parms = &pdmac->dma_parms;
+
/*
* This is the limit for transfers with a buswidth of 1, larger
* buswidths will have larger limits.