dmaengine: imx-sdma: Set DMA channel to be private

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 <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Vinod Koul <[email protected]>

Author: khfeng

drivers/dma/imx-sdma.c

@@ -2252,6 +2252,7 @@ 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 */