diff mbox series

[6/7] dmaengine: mmp_tdma: Fill in slave capabilities

Message ID 20200419164912.670973-7-lkundrak@v3.sk (mailing list archive)
State Accepted
Headers show
Series dmaengine: mmp_tdma: Make the driver actually work | expand

Commit Message

Lubomir Rintel April 19, 2020, 4:49 p.m. UTC 
This makes dma_get_slave_caps() work with the device so that it could
actually be used with soc-generic-dmaengine-pcm.

Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
---
 drivers/dma/mmp_tdma.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

Comments

Vinod Koul April 23, 2020, 7:16 a.m. UTC | #1 
On 19-04-20, 18:49, Lubomir Rintel wrote:
> This makes dma_get_slave_caps() work with the device so that it could
> actually be used with soc-generic-dmaengine-pcm.

Applied, thanks
diff mbox series

Patch

diff --git a/drivers/dma/mmp_tdma.c b/drivers/dma/mmp_tdma.c
index 191640f26246d..38f2298879881 100644
--- a/drivers/dma/mmp_tdma.c
+++ b/drivers/dma/mmp_tdma.c
@@ -725,6 +725,17 @@  static int mmp_tdma_probe(struct platform_device *pdev)
 	tdev->device.device_terminate_all = mmp_tdma_terminate_all;
 	tdev->device.copy_align = DMAENGINE_ALIGN_8_BYTES;
 
+	tdev->device.directions = BIT(DMA_DEV_TO_MEM) | BIT(DMA_MEM_TO_DEV);
+	if (type == MMP_AUD_TDMA) {
+		tdev->device.max_burst = SZ_128;
+		tdev->device.src_addr_widths = BIT(DMA_SLAVE_BUSWIDTH_4_BYTES);
+		tdev->device.dst_addr_widths = BIT(DMA_SLAVE_BUSWIDTH_4_BYTES);
+	} else if (type == PXA910_SQU) {
+		tdev->device.max_burst = SZ_32;
+	}
+	tdev->device.residue_granularity = DMA_RESIDUE_GRANULARITY_BURST;
+	tdev->device.descriptor_reuse = true;
+
 	dma_set_mask(&pdev->dev, DMA_BIT_MASK(64));
 	platform_set_drvdata(pdev, tdev);