| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame] | 1 | From b6b91c9f49f8459eab973aa3b52b4e8a3a00daa1 Mon Sep 17 00:00:00 2001 |
| 2 | From: Bharat Bhushan <Bharat.Bhushan@nxp.com> |
| 3 | Date: Mon, 27 Aug 2018 13:22:34 +0530 |
| 4 | Subject: [PATCH] bus: fsl-mc: DMA configure to have force-dma as default |
| 5 | |
| 6 | Implicit dma setting from bus works when dma-ranges |
| 7 | specified but not otherwise. We need to continue |
| 8 | to go for force_dma as default for cases dma-ranges not |
| 9 | specified. Example dynamic device tree generation for |
| 10 | generic kvm virtual machines. |
| 11 | |
| 12 | Signed-off-by: Bharat Bhushan <Bharat.Bhushan@nxp.com> |
| 13 | --- |
| 14 | drivers/bus/fsl-mc/fsl-mc-bus.c | 2 +- |
| 15 | 1 file changed, 1 insertion(+), 1 deletion(-) |
| 16 | |
| 17 | --- a/drivers/bus/fsl-mc/fsl-mc-bus.c |
| 18 | +++ b/drivers/bus/fsl-mc/fsl-mc-bus.c |
| 19 | @@ -140,7 +140,7 @@ static int fsl_mc_dma_configure(struct d |
| 20 | while (dev_is_fsl_mc(dma_dev)) |
| 21 | dma_dev = dma_dev->parent; |
| 22 | |
| 23 | - return of_dma_configure(dev, dma_dev->of_node, 0); |
| 24 | + return of_dma_configure(dev, dma_dev->of_node, 1); |
| 25 | } |
| 26 | |
| 27 | static ssize_t modalias_show(struct device *dev, struct device_attribute *attr, |