dmaengine: ti: edma: Do not reset reserved paRAM slots (c5dbe606) · Commits · 戴 / test

Skip resetting paRAM slots marked as reserved as they might be used by other cores. Signed-off-by:

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) {