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Commit c5dbe606 authored by Peter Ujfalusi's avatar Peter Ujfalusi Committed by Vinod Koul
Browse files

dmaengine: ti: edma: Do not reset reserved paRAM slots 



Skip resetting paRAM slots marked as reserved as they might be used by
other cores.

Signed-off-by: default avatarPeter Ujfalusi <peter.ujfalusi@ti.com>
Link: https://lore.kernel.org/r/20190823125618.8133-2-peter.ujfalusi@ti.com


Signed-off-by: default avatarVinod Koul <vkoul@kernel.org>
parent d17d9ea9

drivers/dma/ti/edma.c

+6 −3
Original line number Diff line number Diff line
@@ -2338,9 +2338,6 @@ static int edma_probe(struct platform_device *pdev) 


	ecc->default_queue = info->default_queue;



	for (i = 0; i < ecc->num_slots; i++)

		edma_write_slot(ecc, i, &dummy_paramset);



	if (info->rsv) {

		/* Set the reserved slots in inuse list */

		rsv_slots = info->rsv->rsv_slots;
@@ -2353,6 +2350,12 @@ static int edma_probe(struct platform_device *pdev) 
		}

	}



	for (i = 0; i < ecc->num_slots; i++) {

		/* Reset only unused - not reserved - paRAM slots */

		if (!test_bit(i, ecc->slot_inuse))

			edma_write_slot(ecc, i, &dummy_paramset);

	}



	/* Clear the xbar mapped channels in unused list */

	xbar_chans = info->xbar_chans;

	if (xbar_chans) {