dmaengine: cppi41: add missing bitfields

Add missing directions, residue_granularity,
srd_addr_widths and dst_addr_widths bitfields.

Without those we will see a kernel WARN()
when loading musb on am335x devices.

Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>

1 files changed, 9 insertions, 0 deletions

diff --git a/drivers/dma/cppi41.c b/drivers/dma/cppi41.c
index 512cb8e2805e..ceedafbd23e0 100644
--- a/drivers/dma/cppi41.c
+++ b/drivers/dma/cppi41.c
@@ -903,6 +903,11 @@ static const struct cppi_glue_infos *get_glue_info(struct device *dev)
         return of_id->data;
 }
 
+#define CPPI41_DMA_BUSWIDTHS    (BIT(DMA_SLAVE_BUSWIDTH_1_BYTE) | \
+                                BIT(DMA_SLAVE_BUSWIDTH_2_BYTES) | \
+                                BIT(DMA_SLAVE_BUSWIDTH_3_BYTES) | \
+                                BIT(DMA_SLAVE_BUSWIDTH_4_BYTES))
+
 static int cppi41_dma_probe(struct platform_device *pdev)
 {
         struct cppi41_dd *cdd;
@@ -926,6 +931,10 @@ static int cppi41_dma_probe(struct platform_device *pdev)
         cdd->ddev.device_issue_pending = cppi41_dma_issue_pending;
         cdd->ddev.device_prep_slave_sg = cppi41_dma_prep_slave_sg;
         cdd->ddev.device_terminate_all = cppi41_stop_chan;
+        cdd->ddev.directions = BIT(DMA_DEV_TO_MEM) | BIT(DMA_MEM_TO_DEV);
+        cdd->ddev.src_addr_widths = CPPI41_DMA_BUSWIDTHS;
+        cdd->ddev.dst_addr_widths = CPPI41_DMA_BUSWIDTHS;
+        cdd->ddev.residue_granularity = DMA_RESIDUE_GRANULARITY_BURST;
         cdd->ddev.dev = dev;
         INIT_LIST_HEAD(&cdd->ddev.channels);
         cpp41_dma_info.dma_cap = cdd->ddev.cap_mask;