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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>
This commit is contained in:
Lars-Peter Clausen 2013-11-25 16:07:46 +01:00 committed by Vinod Koul
parent 319e2e3f63
commit b714b84e2b
1 changed files with 6 additions and 0 deletions
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6
drivers/dma/pl330.c
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@ -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.