From edc572662a97773053a8d46a59794a08467f5115 Mon Sep 17 00:00:00 2001 From: Sachin Kamat Date: Tue, 19 Jun 2012 11:47:39 +0530 Subject: [PATCH] drm/exynos: Use devm_* functions in exynos_drm_fimd.c devm_* functions are device managed functions and make error handling and cleanup cleaner and simpler. Signed-off-by: Sachin Kamat Signed-off-by: Sachin Kamat Signed-off-by: Inki Dae Signed-off-by: Kyungmin Park --- drivers/gpu/drm/exynos/exynos_drm_fimd.c | 40 +++++++------------------------- 1 file changed, 8 insertions(+), 32 deletions(-) diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c index 29fdbfe..a68d2b3 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c +++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c @@ -78,7 +78,6 @@ struct fimd_context { struct drm_crtc *crtc; struct clk *bus_clk; struct clk *lcd_clk; - struct resource *regs_res; void __iomem *regs; struct fimd_win_data win_data[WINDOWS_NR]; unsigned int clkdiv; @@ -813,7 +812,7 @@ static int __devinit fimd_probe(struct platform_device *pdev) return -EINVAL; } - ctx = kzalloc(sizeof(*ctx), GFP_KERNEL); + ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL); if (!ctx) return -ENOMEM; @@ -838,33 +837,26 @@ static int __devinit fimd_probe(struct platform_device *pdev) goto err_clk; } - ctx->regs_res = request_mem_region(res->start, resource_size(res), - dev_name(dev)); - if (!ctx->regs_res) { - dev_err(dev, "failed to claim register region\n"); - ret = -ENOENT; - goto err_clk; - } - - ctx->regs = ioremap(res->start, resource_size(res)); + ctx->regs = devm_request_and_ioremap(&pdev->dev, res); if (!ctx->regs) { dev_err(dev, "failed to map registers\n"); ret = -ENXIO; - goto err_req_region_io; + goto err_clk; } res = platform_get_resource(pdev, IORESOURCE_IRQ, 0); if (!res) { dev_err(dev, "irq request failed.\n"); - goto err_req_region_irq; + goto err_clk; } ctx->irq = res->start; - ret = request_irq(ctx->irq, fimd_irq_handler, 0, "drm_fimd", ctx); - if (ret < 0) { + ret = devm_request_irq(&pdev->dev, ctx->irq, fimd_irq_handler, + 0, "drm_fimd", ctx); + if (ret) { dev_err(dev, "irq request failed.\n"); - goto err_req_irq; + goto err_clk; } ctx->vidcon0 = pdata->vidcon0; @@ -899,14 +891,6 @@ static int __devinit fimd_probe(struct platform_device *pdev) return 0; -err_req_irq: -err_req_region_irq: - iounmap(ctx->regs); - -err_req_region_io: - release_resource(ctx->regs_res); - kfree(ctx->regs_res); - err_clk: clk_disable(ctx->lcd_clk); clk_put(ctx->lcd_clk); @@ -916,7 +900,6 @@ err_bus_clk: clk_put(ctx->bus_clk); err_clk_get: - kfree(ctx); return ret; } @@ -944,13 +927,6 @@ out: clk_put(ctx->lcd_clk); clk_put(ctx->bus_clk); - iounmap(ctx->regs); - release_resource(ctx->regs_res); - kfree(ctx->regs_res); - free_irq(ctx->irq, ctx); - - kfree(ctx); - return 0; } -- 2.7.4