From patchwork Wed Sep 11 18:01:55 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jarkko Nikula X-Patchwork-Id: 2874171 Return-Path: X-Original-To: patchwork-linux-mmc@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 0A21DBF43F for ; Wed, 11 Sep 2013 18:29:33 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 6B355202B4 for ; Wed, 11 Sep 2013 18:29:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7B011202D9 for ; Wed, 11 Sep 2013 18:29:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754129Ab3IKS32 (ORCPT ); Wed, 11 Sep 2013 14:29:28 -0400 Received: from bitmer.com ([213.157.87.50]:45649 "EHLO bitmer.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754840Ab3IKS31 (ORCPT ); Wed, 11 Sep 2013 14:29:27 -0400 Received: from host-94-101-4-66.igua.fi ([94.101.4.66] helo=puukko.homenet-68) by bitmer.com with esmtpsa (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.72) (envelope-from ) id 1VJog5-0001MK-NF; Wed, 11 Sep 2013 20:58:09 +0300 From: Jarkko Nikula To: linux-mmc@vger.kernel.org Cc: Chris Ball , Aaro Koskinen , Jarkko Nikula Subject: [PATCH 4/6] mmc: omap: Convert to devm_ioremap_resource Date: Wed, 11 Sep 2013 21:01:55 +0300 Message-Id: <1378922517-3968-4-git-send-email-jarkko.nikula@bitmer.com> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1378922517-3968-1-git-send-email-jarkko.nikula@bitmer.com> References: <1378922517-3968-1-git-send-email-jarkko.nikula@bitmer.com> Sender: linux-mmc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mmc@vger.kernel.org X-Spam-Status: No, score=-7.7 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Simplify probe and cleanup code by using devm_ioremap_resource. This also makes probe code to follow more common allocate private struct followed by other initialization style. Signed-off-by: Jarkko Nikula --- drivers/mmc/host/omap.c | 41 ++++++++++++----------------------------- 1 file changed, 12 insertions(+), 29 deletions(-) diff --git a/drivers/mmc/host/omap.c b/drivers/mmc/host/omap.c index 088432d..5ff6da9 100644 --- a/drivers/mmc/host/omap.c +++ b/drivers/mmc/host/omap.c @@ -1343,22 +1343,19 @@ static int mmc_omap_probe(struct platform_device *pdev) return -ENXIO; } - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + host = devm_kzalloc(&pdev->dev, sizeof(struct mmc_omap_host), + GFP_KERNEL); + if (host == NULL) + return -ENOMEM; + irq = platform_get_irq(pdev, 0); - if (res == NULL || irq < 0) + if (irq < 0) return -ENXIO; - res = request_mem_region(res->start, resource_size(res), - pdev->name); - if (res == NULL) - return -EBUSY; - - host = devm_kzalloc(&pdev->dev, sizeof(struct mmc_omap_host), - GFP_KERNEL); - if (host == NULL) { - ret = -ENOMEM; - goto err_free_mem_region; - } + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + host->virt_base = devm_ioremap_resource(&pdev->dev, res); + if (IS_ERR(host->virt_base)) + return PTR_ERR(host->virt_base); INIT_WORK(&host->slot_release_work, mmc_omap_slot_release_work); INIT_WORK(&host->send_stop_work, mmc_omap_send_stop_work); @@ -1383,15 +1380,9 @@ static int mmc_omap_probe(struct platform_device *pdev) host->irq = irq; host->use_dma = 1; host->phys_base = res->start; - host->virt_base = ioremap(res->start, resource_size(res)); - if (!host->virt_base) - goto err_ioremap; - host->iclk = clk_get(&pdev->dev, "ick"); - if (IS_ERR(host->iclk)) { - ret = PTR_ERR(host->iclk); - goto err_free_mmc_host; - } + if (IS_ERR(host->iclk)) + return PTR_ERR(host->iclk); clk_enable(host->iclk); host->fclk = clk_get(&pdev->dev, "fck"); @@ -1468,11 +1459,6 @@ err_free_dma: err_free_iclk: clk_disable(host->iclk); clk_put(host->iclk); -err_free_mmc_host: - iounmap(host->virt_base); -err_ioremap: -err_free_mem_region: - release_mem_region(res->start, resource_size(res)); return ret; } @@ -1500,9 +1486,6 @@ static int mmc_omap_remove(struct platform_device *pdev) if (host->dma_rx) dma_release_channel(host->dma_rx); - iounmap(host->virt_base); - release_mem_region(pdev->resource[0].start, - pdev->resource[0].end - pdev->resource[0].start + 1); destroy_workqueue(host->mmc_omap_wq); return 0;