Commit fc014095 authored by Peter Ujfalusi's avatar Peter Ujfalusi Committed by Vinod Koul
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dmaengine: edma: Print warning when linking slots from different eDMA 



Warning message in case of linking between paRAM slots in different eDMA
controllers.

Signed-off-by: default avatarPeter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: default avatarVinod Koul <vinod.koul@intel.com>
parent 96f5ff0e

drivers/dma/edma.c

+3 −0
Original line number Diff line number Diff line
@@ -619,6 +619,9 @@ static void edma_free_slot(struct edma_cc *ecc, unsigned slot) 
 */

static void edma_link(struct edma_cc *ecc, unsigned from, unsigned to)

{

	if (unlikely(EDMA_CTLR(from) != EDMA_CTLR(to)))

		dev_warn(ecc->dev, "Ignoring eDMA instance for linking\n");



	from = EDMA_CHAN_SLOT(from);

	to = EDMA_CHAN_SLOT(to);

	if (from >= ecc->num_slots || to >= ecc->num_slots)