Messages in this thread Patch in this message | | | From | Kai-Heng Feng <> | Subject | [PATCH] dmaengine: imx-sdma: Set DMA channel to be private | Date | Tue, 7 Feb 2023 12:57:45 +0800 |
| |
If async-tx is loaded before device drivers that requires imx-sdma, the dmaengine_get() routine from async-tx grabs all non-private channels, so devices that require DMA fail to work.
So mark imx-sdma with DMA_PRIVATE to avoid such situation.
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com> --- drivers/dma/imx-sdma.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c index b926abe4fa43a..b86cdab5c2683 100644 --- a/drivers/dma/imx-sdma.c +++ b/drivers/dma/imx-sdma.c @@ -2234,6 +2234,7 @@ static int sdma_probe(struct platform_device *pdev) dma_cap_set(DMA_SLAVE, sdma->dma_device.cap_mask); dma_cap_set(DMA_CYCLIC, sdma->dma_device.cap_mask); dma_cap_set(DMA_MEMCPY, sdma->dma_device.cap_mask); + dma_cap_set(DMA_PRIVATE, sdma->dma_device.cap_mask); INIT_LIST_HEAD(&sdma->dma_device.channels); /* Initialize channel parameters */ -- 2.34.1
| |