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drm/rcar-du: Use devm_ioremap_resource()

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

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
This commit is contained in:
Laurent Pinchart 2013-06-17 02:29:07 +02:00
parent 6811b1bea9
commit d5b6dcc459
1 changed files with 3 additions and 19 deletions
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22
drivers/gpu/drm/rcar-du/rcar_du_drv.c
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@ -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)) {