Commit 213077da authored by Peter Ujfalusi's avatar Peter Ujfalusi Committed by Greg Kroah-Hartman

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

[ Upstream commit c5dbe606 ]

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.comSigned-off-by: default avatarVinod Koul <vkoul@kernel.org>
Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
parent f1db7562
......@@ -2273,9 +2273,6 @@ 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;
......@@ -2288,6 +2285,12 @@ 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) {
......
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