From patchwork Fri Apr 26 20:02:21 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sylwester Nawrocki X-Patchwork-Id: 2495611 Return-Path: X-Original-To: patchwork-linux-samsung-soc@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork1.kernel.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by patchwork1.kernel.org (Postfix) with ESMTP id 6C64E3FDC4 for ; Fri, 26 Apr 2013 20:04:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756198Ab3DZUE1 (ORCPT ); Fri, 26 Apr 2013 16:04:27 -0400 Received: from mail-ee0-f48.google.com ([74.125.83.48]:45095 "EHLO mail-ee0-f48.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754611Ab3DZUE1 (ORCPT ); Fri, 26 Apr 2013 16:04:27 -0400 Received: by mail-ee0-f48.google.com with SMTP id d49so1788045eek.7 for ; Fri, 26 Apr 2013 13:04:25 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=x-received:from:to:cc:subject:date:message-id:x-mailer:in-reply-to :references; bh=7A9Hh5BpCZ+hDyFvq55MY/Xf406YPqDBUt74pvK6wx0=; b=lVrW55bcHyruwChUwToUORP1HslOalOp7vlX0688BSazaUAZJhJavTq8rcqWt0XleI UOtvEyvuublhsPD7WaLHSSsWGdBBs4lJ5hN25tCCsMahKoR7+gCQsndNMe6uiX0buV/t cUYh2k2Q73qTGvADHEaEpPb3Yo3PUijvId7WxpscU9EoXYj8VL1eMamkTHmuKL9pYmx+ jqauuFFgLGgdc8/kWtcTDOMe8fV1N0oJyMpLCUKBiNdzv474dYOuIBa1gXa1k1E9dbp/ AkNL51w6RiL+Xx3UCr5AXe07L6gHt0hcw1nQDjB9jW+LhNKznAGhSebsrzX9p+rlXDqw LWmQ== X-Received: by 10.14.109.131 with SMTP id s3mr46412402eeg.26.1367006665744; Fri, 26 Apr 2013 13:04:25 -0700 (PDT) Received: from localhost.localdomain (093105185086.warszawa.vectranet.pl. [93.105.185.86]) by mx.google.com with ESMTPSA id cd3sm17841788eeb.6.2013.04.26.13.04.23 for (version=TLSv1 cipher=RC4-SHA bits=128/128); Fri, 26 Apr 2013 13:04:25 -0700 (PDT) From: Sylwester Nawrocki To: kgene.kim@samsung.com, FlorianSchandinat@gmx.de Cc: linux-arm-kernel@lists.infradead.org, linux-fbdev@vger.kernel.org, linux-samsung-soc@vger.kernel.org, Sylwester Nawrocki Subject: [PATCH 7/9] s3c2410fb: Use devm_ioremap_resource() Date: Fri, 26 Apr 2013 22:02:21 +0200 Message-Id: <1367006543-5458-8-git-send-email-sylvester.nawrocki@gmail.com> X-Mailer: git-send-email 1.7.4.1 In-Reply-To: <1367006543-5458-1-git-send-email-sylvester.nawrocki@gmail.com> References: <1367006543-5458-1-git-send-email-sylvester.nawrocki@gmail.com> Sender: linux-samsung-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org Use devm_ioremap_resource instead of reques_mem_region()/ioremap(). This ensures more consistent error values and simplifies error paths. Signed-off-by: Sylwester Nawrocki --- drivers/video/s3c2410fb.c | 32 ++++---------------------------- 1 files changed, 4 insertions(+), 28 deletions(-) diff --git a/drivers/video/s3c2410fb.c b/drivers/video/s3c2410fb.c index da8b6c2..11f98ca 100644 --- a/drivers/video/s3c2410fb.c +++ b/drivers/video/s3c2410fb.c @@ -825,7 +825,6 @@ static int s3c2410fb_probe(struct platform_device *pdev) int ret; int irq; int i; - int size; u32 lcdcon1; mach_info = pdev->dev.platform_data; @@ -860,27 +859,12 @@ static int s3c2410fb_probe(struct platform_device *pdev) info->drv_type = platform_get_device_id(pdev)->driver_data; res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (res == NULL) { - dev_err(&pdev->dev, "failed to get memory registers\n"); - ret = -ENXIO; + info->io = devm_ioremap_resource(&pdev->dev, res); + if (IS_ERR(info->io)) { + ret = PTR_ERR(info->io); goto dealloc_fb; } - size = resource_size(res); - info->mem = request_mem_region(res->start, size, pdev->name); - if (info->mem == NULL) { - dev_err(&pdev->dev, "failed to get memory region\n"); - ret = -ENOENT; - goto dealloc_fb; - } - - info->io = ioremap(res->start, size); - if (info->io == NULL) { - dev_err(&pdev->dev, "ioremap() of registers failed\n"); - ret = -ENXIO; - goto release_mem; - } - if (info->drv_type == DRV_S3C2412) info->irq_base = info->io + S3C2412_LCDINTBASE; else @@ -917,7 +901,7 @@ static int s3c2410fb_probe(struct platform_device *pdev) if (ret) { dev_err(&pdev->dev, "cannot get irq %d - err %d\n", irq, ret); ret = -EBUSY; - goto release_regs; + goto dealloc_fb; } info->clk = clk_get(NULL, "lcd"); @@ -997,10 +981,6 @@ release_clock: clk_put(info->clk); release_irq: free_irq(irq, info); -release_regs: - iounmap(info->io); -release_mem: - release_mem_region(res->start, size); dealloc_fb: platform_set_drvdata(pdev, NULL); framebuffer_release(fbinfo); @@ -1033,10 +1013,6 @@ static int s3c2410fb_remove(struct platform_device *pdev) irq = platform_get_irq(pdev, 0); free_irq(irq, info); - iounmap(info->io); - - release_mem_region(info->mem->start, resource_size(info->mem)); - platform_set_drvdata(pdev, NULL); framebuffer_release(fbinfo);