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authorPeter Ujfalusi <peter.ujfalusi@ti.com>2019-08-23 15:56:15 +0300
committerVinod Koul <vkoul@kernel.org>2019-09-04 15:19:19 +0530
commitb2003f61a554ff402509c6061aa5e3f6ef92f12a (patch)
treea2eef5a61867c050899502fecf9b27188224fc23 /drivers/dma
parentdmaengine: ti: edma: Do not reset reserved paRAM slots (diff)
downloadlinux-dev-b2003f61a554ff402509c6061aa5e3f6ef92f12a.tar.xz
linux-dev-b2003f61a554ff402509c6061aa5e3f6ef92f12a.zip
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 <peter.ujfalusi@ti.com> Link: https://lore.kernel.org/r/20190823125618.8133-3-peter.ujfalusi@ti.com Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/dma')
-rw-r--r--drivers/dma/ti/edma.c9
1 files changed, 4 insertions, 5 deletions
diff --git a/drivers/dma/ti/edma.c b/drivers/dma/ti/edma.c
index 1aae95cc0d4b..87450431f336 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 */