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Commit d7db8080 authored by Nicolas Ferre's avatar Nicolas Ferre Committed by Vinod Koul
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dmaengine: at_hdmac: fix way to specify cyclic capability 



In this driver, we can trigger cyclic transfer on peripherals-DMA interfaces.
It is dependent on driver implementation but cannot depend on a platform
property: we remove the dma_has_cap(DMA_CYCLIC, ) test which has no meaning.

Signed-off-by: default avatarNicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: default avatarVinod Koul <vinod.koul@intel.com>
parent 3c477482

drivers/dma/at_hdmac.c

+4 −6
Original line number Diff line number Diff line
@@ -1301,15 +1301,13 @@ static int __init at_dma_probe(struct platform_device *pdev) 
	if (dma_has_cap(DMA_MEMCPY, atdma->dma_common.cap_mask))

		atdma->dma_common.device_prep_dma_memcpy = atc_prep_dma_memcpy;



	if (dma_has_cap(DMA_SLAVE, atdma->dma_common.cap_mask))

	if (dma_has_cap(DMA_SLAVE, atdma->dma_common.cap_mask)) {

		atdma->dma_common.device_prep_slave_sg = atc_prep_slave_sg;



	if (dma_has_cap(DMA_CYCLIC, atdma->dma_common.cap_mask))

		/* controller can do slave DMA: can trigger cyclic transfers */

		dma_cap_set(DMA_CYCLIC, atdma->dma_common.cap_mask);

		atdma->dma_common.device_prep_dma_cyclic = atc_prep_dma_cyclic;



	if (dma_has_cap(DMA_SLAVE, atdma->dma_common.cap_mask) ||

	    dma_has_cap(DMA_CYCLIC, atdma->dma_common.cap_mask))

		atdma->dma_common.device_control = atc_control;

	}



	dma_writel(atdma, EN, AT_DMA_ENABLE);