Commit 5144eead authored by Peter Ujfalusi's avatar Peter Ujfalusi Committed by Hyun Kwon
Browse files

drm: xlnx: Use dma_request_chan for DMA channel request 



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: default avatarPeter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: default avatarHyun Kwon <hyun.kwon@xilinx.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201023094602.5630-1-peter.ujfalusi@ti.com
parent 7cb41500

drivers/gpu/drm/xlnx/zynqmp_disp.c

+1 −3
Original line number Diff line number Diff line
@@ -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);

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