diff options
Diffstat (limited to 'target/linux/layerscape/patches-5.4/701-net-0146-bus-fsl-mc-DMA-configure-to-have-force-dma-as-defaul.patch')
| -rw-r--r-- | target/linux/layerscape/patches-5.4/701-net-0146-bus-fsl-mc-DMA-configure-to-have-force-dma-as-defaul.patch | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/target/linux/layerscape/patches-5.4/701-net-0146-bus-fsl-mc-DMA-configure-to-have-force-dma-as-defaul.patch b/target/linux/layerscape/patches-5.4/701-net-0146-bus-fsl-mc-DMA-configure-to-have-force-dma-as-defaul.patch new file mode 100644 index 0000000000..c0a4d019a5 --- /dev/null +++ b/target/linux/layerscape/patches-5.4/701-net-0146-bus-fsl-mc-DMA-configure-to-have-force-dma-as-defaul.patch @@ -0,0 +1,27 @@ +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, |