Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753899Ab2HPLmo (ORCPT ); Thu, 16 Aug 2012 07:42:44 -0400 Received: from mail-pb0-f46.google.com ([209.85.160.46]:41063 "EHLO mail-pb0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753445Ab2HPLmk (ORCPT ); Thu, 16 Aug 2012 07:42:40 -0400 From: Amit Daniel Kachhap To: linux-pm@lists.linux-foundation.org, Andrew Morton , Zhang Rui , Len Brown Cc: linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org, lm-sensors@lm-sensors.org, amit.kachhap@linaro.org Subject: [PATCH v6 6/6] thermal: exynos: Use devm_* functions Date: Thu, 16 Aug 2012 17:11:45 +0530 Message-Id: <1345117305-8299-7-git-send-email-amit.kachhap@linaro.org> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1345117305-8299-1-git-send-email-amit.kachhap@linaro.org> References: <1345117305-8299-1-git-send-email-amit.kachhap@linaro.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3581 Lines: 120 devm_* functions are used to replace kzalloc, request_mem_region, ioremap and request_irq functions in probe call. With the usage of devm_* functions explicit freeing and unmapping is not required. Signed-off-by: Sachin Kamat Signed-off-by: Sachin Kamat Signed-off-by: Amit Daniel Kachhap --- drivers/thermal/exynos_thermal.c | 45 +++++++------------------------------ 1 files changed, 9 insertions(+), 36 deletions(-) diff --git a/drivers/thermal/exynos_thermal.c b/drivers/thermal/exynos_thermal.c index 03a99e4..e84acde 100644 --- a/drivers/thermal/exynos_thermal.c +++ b/drivers/thermal/exynos_thermal.c @@ -842,7 +842,8 @@ static int __devinit exynos_tmu_probe(struct platform_device *pdev) dev_err(&pdev->dev, "No platform init data supplied.\n"); return -ENODEV; } - data = kzalloc(sizeof(struct exynos_tmu_data), GFP_KERNEL); + data = devm_kzalloc(&pdev->dev, sizeof(struct exynos_tmu_data), + GFP_KERNEL); if (!data) { dev_err(&pdev->dev, "Failed to allocate driver structure\n"); return -ENOMEM; @@ -850,47 +851,35 @@ static int __devinit exynos_tmu_probe(struct platform_device *pdev) data->irq = platform_get_irq(pdev, 0); if (data->irq < 0) { - ret = data->irq; dev_err(&pdev->dev, "Failed to get platform irq\n"); - goto err_free; + return data->irq; } INIT_WORK(&data->irq_work, exynos_tmu_work); data->mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (!data->mem) { - ret = -ENOENT; dev_err(&pdev->dev, "Failed to get platform resource\n"); - goto err_free; + return -ENOENT; } - data->mem = request_mem_region(data->mem->start, - resource_size(data->mem), pdev->name); - if (!data->mem) { - ret = -ENODEV; - dev_err(&pdev->dev, "Failed to request memory region\n"); - goto err_free; - } - - data->base = ioremap(data->mem->start, resource_size(data->mem)); + data->base = devm_request_and_ioremap(&pdev->dev, data->mem); if (!data->base) { - ret = -ENODEV; dev_err(&pdev->dev, "Failed to ioremap memory\n"); - goto err_mem_region; + return -ENODEV; } - ret = request_irq(data->irq, exynos_tmu_irq, + ret = devm_request_irq(&pdev->dev, data->irq, exynos_tmu_irq, IRQF_TRIGGER_RISING, "exynos-tmu", data); if (ret) { dev_err(&pdev->dev, "Failed to request irq: %d\n", data->irq); - goto err_io_remap; + return ret; } data->clk = clk_get(NULL, "tmu_apbif"); if (IS_ERR(data->clk)) { - ret = PTR_ERR(data->clk); dev_err(&pdev->dev, "Failed to get clock\n"); - goto err_irq; + return PTR_ERR(data->clk); } if (pdata->type == SOC_ARCH_EXYNOS || @@ -942,15 +931,6 @@ static int __devinit exynos_tmu_probe(struct platform_device *pdev) err_clk: platform_set_drvdata(pdev, NULL); clk_put(data->clk); -err_irq: - free_irq(data->irq, data); -err_io_remap: - iounmap(data->base); -err_mem_region: - release_mem_region(data->mem->start, resource_size(data->mem)); -err_free: - kfree(data); - return ret; } @@ -964,15 +944,8 @@ static int __devexit exynos_tmu_remove(struct platform_device *pdev) clk_put(data->clk); - free_irq(data->irq, data); - - iounmap(data->base); - release_mem_region(data->mem->start, resource_size(data->mem)); - platform_set_drvdata(pdev, NULL); - kfree(data); - return 0; } -- 1.7.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/