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Commit 8f3b0034 authored by Corentin Labbe's avatar Corentin Labbe Committed by Vinod Koul
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dmaengine: sun6i: use of_device_get_match_data 



The usage of of_device_get_match_data reduce the code size a bit.
Furthermore, it prevents an improbable dereference when
of_match_device() return NULL.

Acked-by: default avatarMaxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: default avatarCorentin Labbe <clabbe.montjoie@gmail.com>
Signed-off-by: default avatarVinod Koul <vinod.koul@intel.com>
parent 2bd6bf03

drivers/dma/sun6i-dma.c

+2 −4
Original line number Diff line number Diff line
@@ -1064,7 +1064,6 @@ MODULE_DEVICE_TABLE(of, sun6i_dma_match); 


static int sun6i_dma_probe(struct platform_device *pdev)

{

	const struct of_device_id *device;

	struct sun6i_dma_dev *sdc;

	struct resource *res;

	int ret, i;
@@ -1073,10 +1072,9 @@ static int sun6i_dma_probe(struct platform_device *pdev) 
	if (!sdc)

		return -ENOMEM;



	device = of_match_device(sun6i_dma_match, &pdev->dev);

	if (!device)

	sdc->cfg = of_device_get_match_data(&pdev->dev);

	if (!sdc->cfg)

		return -ENODEV;

	sdc->cfg = device->data;



	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);

	sdc->base = devm_ioremap_resource(&pdev->dev, res);