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Commit d5b6dcc4 authored by Laurent Pinchart's avatar Laurent Pinchart
Browse files

drm/rcar-du: Use devm_ioremap_resource() 



Replace the devm_request_mem_region() and devm_ioremap_nocache() calls
with devm_ioremap_resource().

Signed-off-by: default avatarLaurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
parent 6811b1be

drivers/gpu/drm/rcar-du/rcar_du_drv.c

+3 −19
Original line number Diff line number Diff line
@@ -107,7 +107,6 @@ static int rcar_du_load(struct drm_device *dev, unsigned long flags) 
	struct platform_device *pdev = dev->platformdev;

	struct rcar_du_platform_data *pdata = pdev->dev.platform_data;

	struct rcar_du_device *rcdu;

	struct resource *ioarea;

	struct resource *mem;

	int ret;
@@ -129,24 +128,9 @@ static int rcar_du_load(struct drm_device *dev, unsigned long flags) 


	/* I/O resources and clocks */

	mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);

	if (mem == NULL) {

		dev_err(&pdev->dev, "failed to get memory resource\n");

		return -EINVAL;

	}



	ioarea = devm_request_mem_region(&pdev->dev, mem->start,

					 resource_size(mem), pdev->name);

	if (ioarea == NULL) {

		dev_err(&pdev->dev, "failed to request memory region\n");

		return -EBUSY;

	}



	rcdu->mmio = devm_ioremap_nocache(&pdev->dev, ioarea->start,

					  resource_size(ioarea));

	if (rcdu->mmio == NULL) {

		dev_err(&pdev->dev, "failed to remap memory resource\n");

		return -ENOMEM;

	}

	rcdu->mmio = devm_ioremap_resource(&pdev->dev, mem);

	if (IS_ERR(rcdu->mmio))

		return PTR_ERR(rcdu->mmio);



	rcdu->clock = devm_clk_get(&pdev->dev, NULL);

	if (IS_ERR(rcdu->clock)) {