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>

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.