dmaengine: pl08x: Define capabilities for generic capabilities reporting

Ensure that clients can automatically configure themselves and avoid a
nasty warning at boot by providing capability information.

Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>

diff --git a/drivers/dma/amba-pl08x.c b/drivers/dma/amba-pl08x.c
index 4a5fd24..83aa55d 100644 (file)
--- a/drivers/dma/amba-pl08x.c
+++ b/drivers/dma/amba-pl08x.c
@@ -97,6 +97,12 @@
 
 #define DRIVER_NAME    "pl08xdmac"
 
+#define PL80X_DMA_BUSWIDTHS \
+       BIT(DMA_SLAVE_BUSWIDTH_UNDEFINED) | \
+       BIT(DMA_SLAVE_BUSWIDTH_1_BYTE) | \
+       BIT(DMA_SLAVE_BUSWIDTH_2_BYTES) | \
+       BIT(DMA_SLAVE_BUSWIDTH_4_BYTES)
+
 static struct amba_driver pl08x_amba_driver;
 struct pl08x_driver_data;
 
@@ -2070,6 +2076,10 @@ static int pl08x_probe(struct amba_device *adev, const struct amba_id *id)
        pl08x->memcpy.device_pause = pl08x_pause;
        pl08x->memcpy.device_resume = pl08x_resume;
        pl08x->memcpy.device_terminate_all = pl08x_terminate_all;
+       pl08x->memcpy.src_addr_widths = PL80X_DMA_BUSWIDTHS;
+       pl08x->memcpy.dst_addr_widths = PL80X_DMA_BUSWIDTHS;
+       pl08x->memcpy.directions = BIT(DMA_MEM_TO_MEM);
+       pl08x->memcpy.residue_granularity = DMA_RESIDUE_GRANULARITY_SEGMENT;
 
        /* Initialize slave engine */
        dma_cap_set(DMA_SLAVE, pl08x->slave.cap_mask);
@@ -2086,6 +2096,10 @@ static int pl08x_probe(struct amba_device *adev, const struct amba_id *id)
        pl08x->slave.device_pause = pl08x_pause;
        pl08x->slave.device_resume = pl08x_resume;
        pl08x->slave.device_terminate_all = pl08x_terminate_all;
+       pl08x->slave.src_addr_widths = PL80X_DMA_BUSWIDTHS;
+       pl08x->slave.dst_addr_widths = PL80X_DMA_BUSWIDTHS;
+       pl08x->slave.directions = BIT(DMA_DEV_TO_MEM) | BIT(DMA_MEM_TO_DEV);
+       pl08x->slave.residue_granularity = DMA_RESIDUE_GRANULARITY_SEGMENT;
 
        /* Get the platform data */
        pl08x->pd = dev_get_platdata(&adev->dev);