From b2003f61a554ff402509c6061aa5e3f6ef92f12a Mon Sep 17 00:00:00 2001 From: Peter Ujfalusi Date: Fri, 23 Aug 2019 15:56:15 +0300 Subject: [PATCH] dmaengine: ti: edma: Only reset region0 access registers Region0 is used by Linux, do not reset other registers controlling access for other shadow regions. Signed-off-by: Peter Ujfalusi Link: https://lore.kernel.org/r/20190823125618.8133-3-peter.ujfalusi@ti.com Signed-off-by: Vinod Koul --- drivers/dma/ti/edma.c | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) diff --git a/drivers/dma/ti/edma.c b/drivers/dma/ti/edma.c index 1aae95c..8745043 100644 --- a/drivers/dma/ti/edma.c +++ b/drivers/dma/ti/edma.c @@ -2434,11 +2434,10 @@ static int edma_probe(struct platform_device *pdev) edma_assign_priority_to_queue(ecc, queue_priority_mapping[i][0], queue_priority_mapping[i][1]); - for (i = 0; i < ecc->num_region; i++) { - edma_write_array2(ecc, EDMA_DRAE, i, 0, 0x0); - edma_write_array2(ecc, EDMA_DRAE, i, 1, 0x0); - edma_write_array(ecc, EDMA_QRAE, i, 0x0); - } + edma_write_array2(ecc, EDMA_DRAE, 0, 0, 0x0); + edma_write_array2(ecc, EDMA_DRAE, 0, 1, 0x0); + edma_write_array(ecc, EDMA_QRAE, 0, 0x0); + ecc->info = info; /* Init the dma device and channels */ -- 2.7.4