From a6e65072102a962e473cce5cf7aab0574bdf47e0 Mon Sep 17 00:00:00 2001 From: Sachin Kamat Date: Tue, 19 Jun 2012 11:47:40 +0530 Subject: [PATCH] drm/exynos: Use devm_* functions in exynos_hdmi.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_hdmi.c | 36 +++++++----------------------------- 1 file changed, 7 insertions(+), 29 deletions(-) diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c index 066bde3..409e2ec 100644 --- a/drivers/gpu/drm/exynos/exynos_hdmi.c +++ b/drivers/gpu/drm/exynos/exynos_hdmi.c @@ -63,7 +63,6 @@ struct hdmi_context { bool dvi_mode; struct mutex hdmi_mutex; - struct resource *regs_res; void __iomem *regs; unsigned int external_irq; unsigned int internal_irq; @@ -2280,16 +2279,17 @@ static int __devinit hdmi_probe(struct platform_device *pdev) return -EINVAL; } - drm_hdmi_ctx = kzalloc(sizeof(*drm_hdmi_ctx), GFP_KERNEL); + drm_hdmi_ctx = devm_kzalloc(&pdev->dev, sizeof(*drm_hdmi_ctx), + GFP_KERNEL); if (!drm_hdmi_ctx) { DRM_ERROR("failed to allocate common hdmi context.\n"); return -ENOMEM; } - hdata = kzalloc(sizeof(struct hdmi_context), GFP_KERNEL); + hdata = devm_kzalloc(&pdev->dev, sizeof(struct hdmi_context), + GFP_KERNEL); if (!hdata) { DRM_ERROR("out of memory\n"); - kfree(drm_hdmi_ctx); return -ENOMEM; } @@ -2318,26 +2318,18 @@ static int __devinit hdmi_probe(struct platform_device *pdev) goto err_resource; } - hdata->regs_res = request_mem_region(res->start, resource_size(res), - dev_name(dev)); - if (!hdata->regs_res) { - DRM_ERROR("failed to claim register region\n"); - ret = -ENOENT; - goto err_resource; - } - - hdata->regs = ioremap(res->start, resource_size(res)); + hdata->regs = devm_request_and_ioremap(&pdev->dev, res); if (!hdata->regs) { DRM_ERROR("failed to map registers\n"); ret = -ENXIO; - goto err_req_region; + goto err_resource; } /* DDC i2c driver */ if (i2c_add_driver(&ddc_driver)) { DRM_ERROR("failed to register ddc i2c driver\n"); ret = -ENOENT; - goto err_iomap; + goto err_resource; } hdata->ddc_port = hdmi_ddc; @@ -2398,16 +2390,9 @@ err_hdmiphy: i2c_del_driver(&hdmiphy_driver); err_ddc: i2c_del_driver(&ddc_driver); -err_iomap: - iounmap(hdata->regs); -err_req_region: - release_mem_region(hdata->regs_res->start, - resource_size(hdata->regs_res)); err_resource: hdmi_resources_cleanup(hdata); err_data: - kfree(hdata); - kfree(drm_hdmi_ctx); return ret; } @@ -2425,18 +2410,11 @@ static int __devexit hdmi_remove(struct platform_device *pdev) hdmi_resources_cleanup(hdata); - iounmap(hdata->regs); - - release_mem_region(hdata->regs_res->start, - resource_size(hdata->regs_res)); - /* hdmiphy i2c driver */ i2c_del_driver(&hdmiphy_driver); /* DDC i2c driver */ i2c_del_driver(&ddc_driver); - kfree(hdata); - return 0; } -- 2.7.4