From patchwork Tue Jul 31 13:54:16 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Damien Cassou X-Patchwork-Id: 1260031 Return-Path: X-Original-To: patchwork-linux-fbdev@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 62CBA3FD56 for ; Tue, 31 Jul 2012 13:54:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753898Ab2GaNy2 (ORCPT ); Tue, 31 Jul 2012 09:54:28 -0400 Received: from mail1-relais-roc.national.inria.fr ([192.134.164.82]:26181 "EHLO mail1-relais-roc.national.inria.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753639Ab2GaNy0 (ORCPT ); Tue, 31 Jul 2012 09:54:26 -0400 X-IronPort-AV: E=Sophos;i="4.77,686,1336341600"; d="scan'208";a="168682632" Received: from tytso.inria.fr (HELO localhost.localdomain) ([128.93.60.73]) by mail1-relais-roc.national.inria.fr with ESMTP/TLS/DHE-RSA-AES256-SHA; 31 Jul 2012 15:54:22 +0200 From: Damien Cassou To: Florian Tobias Schandinat Cc: kernel-janitors@vger.kernel.org, linux-fbdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 5/5] drivers/video/ep93xx-fb.c: use devm_ functions Date: Tue, 31 Jul 2012 15:54:16 +0200 Message-Id: <1343742860-16213-2-git-send-email-damien.cassou@lifl.fr> X-Mailer: git-send-email 1.7.2.5 In-Reply-To: <1343742860-16213-1-git-send-email-damien.cassou@lifl.fr> References: <1343742860-16213-1-git-send-email-damien.cassou@lifl.fr> Sender: linux-fbdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fbdev@vger.kernel.org From: Damien Cassou The various devm_ functions allocate memory that is released when a driver detaches. This patch uses these functions for data that is allocated in the probe function of a platform device and is only freed in the remove function. Signed-off-by: Damien Cassou --- drivers/video/ep93xx-fb.c | 17 ++++++----------- 1 file changed, 6 insertions(+), 11 deletions(-) -- To unsubscribe from this list: send the line "unsubscribe linux-fbdev" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html diff --git a/drivers/video/ep93xx-fb.c b/drivers/video/ep93xx-fb.c index 345d962..69c89f2 100644 --- a/drivers/video/ep93xx-fb.c +++ b/drivers/video/ep93xx-fb.c @@ -529,7 +529,8 @@ static int __devinit ep93xxfb_probe(struct platform_device *pdev) * any of the framebuffer registers. */ fbi->res = res; - fbi->mmio_base = ioremap(res->start, resource_size(res)); + fbi->mmio_base = devm_ioremap(&pdev->dev, res->start, + resource_size(res)); if (!fbi->mmio_base) { err = -ENXIO; goto failed_resource; @@ -553,20 +554,20 @@ static int __devinit ep93xxfb_probe(struct platform_device *pdev) if (err == 0) { dev_err(info->dev, "No suitable video mode found\n"); err = -EINVAL; - goto failed_mode; + goto failed_resource; } if (mach_info->setup) { err = mach_info->setup(pdev); if (err) - goto failed_mode; + goto failed_resource; } err = ep93xxfb_check_var(&info->var, info); if (err) goto failed_check; - fbi->clk = clk_get(info->dev, NULL); + fbi->clk = devm_clk_get(&pdev->dev, NULL); if (IS_ERR(fbi->clk)) { err = PTR_ERR(fbi->clk); fbi->clk = NULL; @@ -578,19 +579,15 @@ static int __devinit ep93xxfb_probe(struct platform_device *pdev) err = register_framebuffer(info); if (err) - goto failed; + goto failed_check; dev_info(info->dev, "registered. Mode = %dx%d-%d\n", info->var.xres, info->var.yres, info->var.bits_per_pixel); return 0; -failed: - clk_put(fbi->clk); failed_check: if (fbi->mach_info->teardown) fbi->mach_info->teardown(pdev); -failed_mode: - iounmap(fbi->mmio_base); failed_resource: ep93xxfb_dealloc_videomem(info); failed_videomem: @@ -609,8 +606,6 @@ static int __devexit ep93xxfb_remove(struct platform_device *pdev) unregister_framebuffer(info); clk_disable(fbi->clk); - clk_put(fbi->clk); - iounmap(fbi->mmio_base); ep93xxfb_dealloc_videomem(info); fb_dealloc_cmap(&info->cmap);