From patchwork Fri Nov 23 08:43:27 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sachin Kamat X-Patchwork-Id: 1794731 Return-Path: X-Original-To: patchwork-dri-devel@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork1.kernel.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by patchwork1.kernel.org (Postfix) with ESMTP id CABB53FC64 for ; Fri, 23 Nov 2012 10:47:48 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 274DAE662F for ; Fri, 23 Nov 2012 02:47:49 -0800 (PST) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mail-da0-f49.google.com (mail-da0-f49.google.com [209.85.210.49]) by gabe.freedesktop.org (Postfix) with ESMTP id AC7D2E5C86 for ; Fri, 23 Nov 2012 00:49:52 -0800 (PST) Received: by mail-da0-f49.google.com with SMTP id v40so2715712dad.36 for ; Fri, 23 Nov 2012 00:49:52 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20120113; h=from:to:cc:subject:date:message-id:x-mailer:in-reply-to:references :x-gm-message-state; bh=2fVUywLxR0mVhxRC16klgUUaASMUYue3BgJrsTmhnCU=; b=E3yfcuW2zAjLZCGfrzQ5s2JbTfb1jOP5Rrq35BTKjrKAX7aut8muFDAAcPPqkmDQkI fgNDJeg4qBoijcKgCkPAmEj6oFgb1BzUqHAolB/7cH3VSBn/L+Rzkfy0KdPNblRVmcPX WfR11NkQkP4G/+DU4Bv7T7zvtwvYGtH80ZuTT25IkZjn4E99V1fio/HgYeEF2KNy/de1 kJJCAqn2ynCE5kt0eB+IcjaDfKwDrUp3Jz8Hd6S6A5XnlOw3oCcjgtbkJjRdxsvxAzYd DYMAgWsXE7EDYyZS/Rq3U/kB5jfRKdICujwWSsuLSU8/3k+oFXA1E34jnt38zL4e99bO YMhQ== Received: by 10.66.78.6 with SMTP id x6mr8644152paw.45.1353660592385; Fri, 23 Nov 2012 00:49:52 -0800 (PST) Received: from localhost.localdomain ([115.113.119.130]) by mx.google.com with ESMTPS id kc4sm3496959pbc.23.2012.11.23.00.49.49 (version=TLSv1/SSLv3 cipher=OTHER); Fri, 23 Nov 2012 00:49:51 -0800 (PST) From: Sachin Kamat To: dri-devel@lists.freedesktop.org Subject: [PATCH Resend] drm/exynos: Use devm_* APIs in exynos_hdmi.c Date: Fri, 23 Nov 2012 14:13:27 +0530 Message-Id: <1353660208-9776-2-git-send-email-sachin.kamat@linaro.org> X-Mailer: git-send-email 1.7.4.1 In-Reply-To: <1353660208-9776-1-git-send-email-sachin.kamat@linaro.org> References: <1353660208-9776-1-git-send-email-sachin.kamat@linaro.org> X-Gm-Message-State: ALoCoQmOLU2W5EZc8pswazDVdwPIUdrsPNJJOSbiuvQwOTDIIg8ze1vOzRdYJvS7vPHeUcBX1TBk X-Mailman-Approved-At: Fri, 23 Nov 2012 02:43:48 -0800 Cc: sachin.kamat@linaro.org, patches@linaro.org X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: dri-devel-bounces+patchwork-dri-devel=patchwork.kernel.org@lists.freedesktop.org Errors-To: dri-devel-bounces+patchwork-dri-devel=patchwork.kernel.org@lists.freedesktop.org devm_* functions are device managed and make error handling and exit code simpler. Signed-off-by: Sachin Kamat --- drivers/gpu/drm/exynos/exynos_hdmi.c | 60 +++++++-------------------------- 1 files changed, 13 insertions(+), 47 deletions(-) diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c index 59839cc..af5c8ac 100644 --- a/drivers/gpu/drm/exynos/exynos_hdmi.c +++ b/drivers/gpu/drm/exynos/exynos_hdmi.c @@ -2197,27 +2197,27 @@ static int __devinit hdmi_resources_init(struct hdmi_context *hdata) memset(res, 0, sizeof(*res)); /* get clocks, power */ - res->hdmi = clk_get(dev, "hdmi"); + res->hdmi = devm_clk_get(dev, "hdmi"); if (IS_ERR_OR_NULL(res->hdmi)) { DRM_ERROR("failed to get clock 'hdmi'\n"); goto fail; } - res->sclk_hdmi = clk_get(dev, "sclk_hdmi"); + res->sclk_hdmi = devm_clk_get(dev, "sclk_hdmi"); if (IS_ERR_OR_NULL(res->sclk_hdmi)) { DRM_ERROR("failed to get clock 'sclk_hdmi'\n"); goto fail; } - res->sclk_pixel = clk_get(dev, "sclk_pixel"); + res->sclk_pixel = devm_clk_get(dev, "sclk_pixel"); if (IS_ERR_OR_NULL(res->sclk_pixel)) { DRM_ERROR("failed to get clock 'sclk_pixel'\n"); goto fail; } - res->sclk_hdmiphy = clk_get(dev, "sclk_hdmiphy"); + res->sclk_hdmiphy = devm_clk_get(dev, "sclk_hdmiphy"); if (IS_ERR_OR_NULL(res->sclk_hdmiphy)) { DRM_ERROR("failed to get clock 'sclk_hdmiphy'\n"); goto fail; } - res->hdmiphy = clk_get(dev, "hdmiphy"); + res->hdmiphy = devm_clk_get(dev, "hdmiphy"); if (IS_ERR_OR_NULL(res->hdmiphy)) { DRM_ERROR("failed to get clock 'hdmiphy'\n"); goto fail; @@ -2225,7 +2225,7 @@ static int __devinit hdmi_resources_init(struct hdmi_context *hdata) clk_set_parent(res->sclk_hdmi, res->sclk_pixel); - res->regul_bulk = kzalloc(ARRAY_SIZE(supply) * + res->regul_bulk = devm_kzalloc(dev, ARRAY_SIZE(supply) * sizeof(res->regul_bulk[0]), GFP_KERNEL); if (!res->regul_bulk) { DRM_ERROR("failed to get memory for regulators\n"); @@ -2235,7 +2235,7 @@ static int __devinit hdmi_resources_init(struct hdmi_context *hdata) res->regul_bulk[i].supply = supply[i]; res->regul_bulk[i].consumer = NULL; } - ret = regulator_bulk_get(dev, ARRAY_SIZE(supply), res->regul_bulk); + ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(supply), res->regul_bulk); if (ret) { DRM_ERROR("failed to get regulators\n"); goto fail; @@ -2248,28 +2248,6 @@ fail: return -ENODEV; } -static int hdmi_resources_cleanup(struct hdmi_context *hdata) -{ - struct hdmi_resources *res = &hdata->res; - - regulator_bulk_free(res->regul_count, res->regul_bulk); - /* kfree is NULL-safe */ - kfree(res->regul_bulk); - if (!IS_ERR_OR_NULL(res->hdmiphy)) - clk_put(res->hdmiphy); - if (!IS_ERR_OR_NULL(res->sclk_hdmiphy)) - clk_put(res->sclk_hdmiphy); - if (!IS_ERR_OR_NULL(res->sclk_pixel)) - clk_put(res->sclk_pixel); - if (!IS_ERR_OR_NULL(res->sclk_hdmi)) - clk_put(res->sclk_hdmi); - if (!IS_ERR_OR_NULL(res->hdmi)) - clk_put(res->hdmi); - memset(res, 0, sizeof(*res)); - - return 0; -} - static struct i2c_client *hdmi_ddc, *hdmi_hdmiphy; void hdmi_attach_ddc_client(struct i2c_client *ddc) @@ -2409,36 +2387,32 @@ static int __devinit hdmi_probe(struct platform_device *pdev) ret = hdmi_resources_init(hdata); if (ret) { - ret = -EINVAL; DRM_ERROR("hdmi_resources_init failed\n"); - goto err_data; + return -EINVAL; } res = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (!res) { DRM_ERROR("failed to find registers\n"); - ret = -ENOENT; - goto err_resource; + return -ENOENT; } hdata->regs = devm_request_and_ioremap(&pdev->dev, res); if (!hdata->regs) { DRM_ERROR("failed to map registers\n"); - ret = -ENXIO; - goto err_resource; + return -ENXIO; } - ret = gpio_request(hdata->hpd_gpio, "HPD"); + ret = devm_gpio_request(&pdev->dev, hdata->hpd_gpio, "HPD"); if (ret) { DRM_ERROR("failed to request HPD gpio\n"); - goto err_resource; + return ret; } /* DDC i2c driver */ if (i2c_add_driver(&ddc_driver)) { DRM_ERROR("failed to register ddc i2c driver\n"); - ret = -ENOENT; - goto err_gpio; + return -ENOENT; } hdata->ddc_port = hdmi_ddc; @@ -2501,11 +2475,6 @@ err_hdmiphy: i2c_del_driver(&hdmiphy_driver); err_ddc: i2c_del_driver(&ddc_driver); -err_gpio: - gpio_free(hdata->hpd_gpio); -err_resource: - hdmi_resources_cleanup(hdata); -err_data: return ret; } @@ -2522,9 +2491,6 @@ static int __devexit hdmi_remove(struct platform_device *pdev) free_irq(hdata->internal_irq, hdata); free_irq(hdata->external_irq, hdata); - gpio_free(hdata->hpd_gpio); - - hdmi_resources_cleanup(hdata); /* hdmiphy i2c driver */ i2c_del_driver(&hdmiphy_driver);