[PATCH 2/5] dmaengine: ti: edma: Only reset region0 access registers

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Region0 is used by Linux, do not reset other registers controlling access
for other shadow regions.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@xxxxxx>
---
 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 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 */
-- 
Peter

Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki.
Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki




[Index of Archives]     [Linux Arm (vger)]     [ARM Kernel]     [ARM MSM]     [Linux Tegra]     [Linux WPAN Networking]     [Linux Wireless Networking]     [Maemo Users]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite Trails]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux