diff options
| author |   Lubomir Rintel <lkundrak@v3.sk> | 2020-04-19 18:49:11 +0200 |
|---|---|---|
| committer |   Vinod Koul <vkoul@kernel.org> | 2020-04-23 12:45:44 +0530 |
| commit | baed6b34ceea87bc6e88efd84a92c44559f2dc6c (patch) | |
| tree | f455a8afd3971348c7c371d954e972a96297d22a /drivers/dma/mmp_tdma.c | |
| parent | dmaengine: mmp_tdma: Log an error if channel is in wrong state (diff) | |
| download | linux-dev-baed6b34ceea87bc6e88efd84a92c44559f2dc6c.tar.xz linux-dev-baed6b34ceea87bc6e88efd84a92c44559f2dc6c.zip | |
dmaengine: mmp_tdma: Fill in slave capabilities
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>
Link: https://lore.kernel.org/r/20200419164912.670973-7-lkundrak@v3.sk
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/dma/mmp_tdma.c')
| -rw-r--r-- | drivers/dma/mmp_tdma.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/dma/mmp_tdma.c b/drivers/dma/mmp_tdma.c index 1597f6ebf335..2e318558c644 100644 --- a/drivers/dma/mmp_tdma.c +++ b/drivers/dma/mmp_tdma.c @@ -703,6 +703,17 @@ 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); |