701-net-0146-bus-fsl-mc-DMA-configure-to-have-force-dma-as-defaul.patch

From b6b91c9f49f8459eab973aa3b52b4e8a3a00daa1 Mon Sep 17 00:00:00 2001
From: Bharat Bhushan <Bharat.Bhushan@nxp.com>
Date: Mon, 27 Aug 2018 13:22:34 +0530
Subject: [PATCH] bus: fsl-mc: DMA configure to have force-dma as default

Implicit dma setting from bus works when dma-ranges
specified but not otherwise. We need to continue
to go for force_dma as default for cases dma-ranges not
specified. Example dynamic device tree generation for
generic kvm virtual machines.

Signed-off-by: Bharat Bhushan <Bharat.Bhushan@nxp.com>
---
 drivers/bus/fsl-mc/fsl-mc-bus.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/bus/fsl-mc/fsl-mc-bus.c
+++ b/drivers/bus/fsl-mc/fsl-mc-bus.c
@@ -140,7 +140,7 @@ static int fsl_mc_dma_configure(struct d
 	while (dev_is_fsl_mc(dma_dev))
 		dma_dev = dma_dev->parent;
 
-	return of_dma_configure(dev, dma_dev->of_node, 0);
+	return of_dma_configure(dev, dma_dev->of_node, 1);
 }
 
 static ssize_t modalias_show(struct device *dev, struct device_attribute *attr,