[PATCH] drm: xlnx: Use dma_request_chan for DMA channel request

From: Peter Ujfalusi
Date: Fri Oct 23 2020 - 05:45:59 EST


There is no need to use the of_dma_request_slave_channel() directly as
dma_request_chan() is going to try to get the channel via OF as well.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@xxxxxx>
---
drivers/gpu/drm/xlnx/zynqmp_disp.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/xlnx/zynqmp_disp.c b/drivers/gpu/drm/xlnx/zynqmp_disp.c
index 98bd48f13fd1..a4405d081aca 100644
--- a/drivers/gpu/drm/xlnx/zynqmp_disp.c
+++ b/drivers/gpu/drm/xlnx/zynqmp_disp.c
@@ -28,7 +28,6 @@
#include <linux/dmaengine.h>
#include <linux/module.h>
#include <linux/of.h>
-#include <linux/of_dma.h>
#include <linux/platform_device.h>
#include <linux/pm_runtime.h>
#include <linux/spinlock.h>
@@ -1316,8 +1315,7 @@ static int zynqmp_disp_layer_request_dma(struct zynqmp_disp *disp,

snprintf(dma_channel_name, sizeof(dma_channel_name),
"%s%u", dma_names[layer->id], i);
- dma->chan = of_dma_request_slave_channel(disp->dev->of_node,
- dma_channel_name);
+ dma->chan = dma_request_chan(disp->dev, dma_channel_name);
if (IS_ERR(dma->chan)) {
dev_err(disp->dev, "failed to request dma channel\n");
ret = PTR_ERR(dma->chan);
--
Peter

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