From d5b6dcc45950bc727f6a02d0ee68c99d0b6052ea Mon Sep 17 00:00:00 2001 From: Laurent Pinchart Date: Mon, 17 Jun 2013 02:29:07 +0200 Subject: [PATCH] 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: Laurent Pinchart --- drivers/gpu/drm/rcar-du/rcar_du_drv.c | 22 +++------------------- 1 file changed, 3 insertions(+), 19 deletions(-) diff --git a/drivers/gpu/drm/rcar-du/rcar_du_drv.c b/drivers/gpu/drm/rcar-du/rcar_du_drv.c index dc0fe09b2ba1..f776b1c66ef4 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_drv.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_drv.c @@ -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)) { -- 2.30.2