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: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>

diff --git a/drivers/dma/at_hdmac.c b/drivers/dma/at_hdmac.c
index d774800b9fa454250c9059158d083445b1fe256b..3b99dc62874b5640be9383a70657d593f9cc31e7 100644 (file)
--- a/drivers/dma/at_hdmac.c
+++ b/drivers/dma/at_hdmac.c
@@ -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);