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Commit d20313b2 authored by Peter Ujfalusi's avatar Peter Ujfalusi Committed by Vinod Koul
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dmaengine: edma: Fix paRAM slot allocation for entry channel 0 



edma_alloc_slot was not checking the channel mapping support existence when
slot 0 has been requested (used as entry slot for channel/event 0).

Signed-off-by: default avatarPeter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: default avatarVinod Koul <vinod.koul@intel.com>
parent 8b648436

drivers/dma/edma.c

+1 −1
Original line number Diff line number Diff line
@@ -484,7 +484,7 @@ static void edma_read_slot(struct edma_cc *ecc, unsigned slot, 
 */

static int edma_alloc_slot(struct edma_cc *ecc, int slot)

{

	if (slot > 0) {

	if (slot >= 0) {

		slot = EDMA_CHAN_SLOT(slot);

		/* Requesting entry paRAM slot for a HW triggered channel. */

		if (ecc->chmap_exist && slot < ecc->num_channels)