From patchwork Fri Dec 13 08:22:03 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Daniel Sangorrin X-Patchwork-Id: 3347881 Return-Path: X-Original-To: patchwork-ltsi-dev@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 E61A0C0D4A for ; Sat, 14 Dec 2013 08:09:17 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 224BD20780 for ; Sat, 14 Dec 2013 08:09:17 +0000 (UTC) Received: from mail.linuxfoundation.org (mail.linuxfoundation.org [140.211.169.12]) by mail.kernel.org (Postfix) with ESMTP id 48404206AF for ; Sat, 14 Dec 2013 08:09:16 +0000 (UTC) Received: from mail.linux-foundation.org (localhost [IPv6:::1]) by mail.linuxfoundation.org (Postfix) with ESMTP id 51A7FBBC; Sat, 14 Dec 2013 08:06:47 +0000 (UTC) X-Original-To: ltsi-dev@lists.linuxfoundation.org Delivered-To: ltsi-dev@mail.linuxfoundation.org Received: from smtp1.linuxfoundation.org (smtp1.linux-foundation.org [172.17.192.35]) by mail.linuxfoundation.org (Postfix) with ESMTP id D95C082A for ; Fri, 13 Dec 2013 08:39:52 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from imx9.toshiba.co.jp (imx9.toshiba.co.jp [202.33.96.51]) by smtp1.linuxfoundation.org (Postfix) with ESMTP id 4D3A91F889 for ; Fri, 13 Dec 2013 08:39:52 +0000 (UTC) Received: from imx2.toshiba.co.jp (imx2 [202.33.96.24]) by imx9.toshiba.co.jp with ESMTP id rBD8NPa0025041 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Fri, 13 Dec 2013 17:23:25 +0900 (JST) Received: from arc1.toshiba.co.jp ([133.199.194.235]) by imx2.toshiba.co.jp with ESMTP id rBD8NM3x015724; Fri, 13 Dec 2013 17:23:22 +0900 (JST) Received: (from root@localhost) by arc1.toshiba.co.jp id rBD8NMDT000362; Fri, 13 Dec 2013 17:23:22 +0900 (JST) Received: from unknown [133.199.192.144] by arc1.toshiba.co.jp with ESMTP id TAA00353; Fri, 13 Dec 2013 17:23:22 +0900 Received: from mx12.toshiba.co.jp (localhost [127.0.0.1]) by ovp2.toshiba.co.jp with ESMTP id rBD8NL27016039; Fri, 13 Dec 2013 17:23:21 +0900 (JST) Received: from BK2211.rdc.toshiba.co.jp by toshiba.co.jp id rBD8NKBf008691; Fri, 13 Dec 2013 17:23:20 +0900 (JST) Received: from island.swc.toshiba.co.jp (localhost [127.0.0.1]) by BK2211.rdc.toshiba.co.jp (8.13.8+Sun/8.13.8) with ESMTP id rBD8NJIe027276; Fri, 13 Dec 2013 17:23:19 +0900 (JST) Received: from ubuntu.swc.toshiba.co.jp (unknown [133.196.174.184]) by island.swc.toshiba.co.jp (Postfix) with ESMTP id 5E35340023; Fri, 13 Dec 2013 17:22:32 +0900 (JST) From: Daniel Sangorrin To: ltsi-dev@lists.linuxfoundation.org Date: Fri, 13 Dec 2013 17:22:03 +0900 Message-Id: <1386922983-22135-49-git-send-email-daniel.sangorrin@toshiba.co.jp> X-Mailer: git-send-email 1.8.5 In-Reply-To: <1386922983-22135-1-git-send-email-daniel.sangorrin@toshiba.co.jp> References: <1386922983-22135-1-git-send-email-daniel.sangorrin@toshiba.co.jp> X-Spam-Status: No, score=-2.3 required=5.0 tests=BAYES_00,RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Mailman-Approved-At: Sat, 14 Dec 2013 08:06:34 +0000 Cc: michal.simek@xilinx.com Subject: [LTSI-dev] [PATCH 048/108] spi/xilinx: Convert to devm_ioremap_resource() X-BeenThere: ltsi-dev@lists.linuxfoundation.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "A list to discuss patches, development, and other things related to the LTSI project" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: ltsi-dev-bounces@lists.linuxfoundation.org Errors-To: ltsi-dev-bounces@lists.linuxfoundation.org X-Virus-Scanned: ClamAV using ClamSMTP From: Mark Brown Saves code and reduces the possibility of error. Signed-off-by: Mark Brown (cherry picked from commit c40537d008ab1b4fe2f12641cca1462de10a95f7) Signed-off-by: Daniel Sangorrin Signed-off-by: Yoshitake Kobayashi --- drivers/spi/spi-xilinx.c | 20 +++++--------------- 1 file changed, 5 insertions(+), 15 deletions(-) diff --git a/drivers/spi/spi-xilinx.c b/drivers/spi/spi-xilinx.c index 09a9428..6dd6608 100644 --- a/drivers/spi/spi-xilinx.c +++ b/drivers/spi/spi-xilinx.c @@ -378,14 +378,10 @@ struct spi_master *xilinx_spi_init(struct device *dev, struct resource *mem, xspi->bitbang.master->setup = xilinx_spi_setup; init_completion(&xspi->done); - if (!request_mem_region(mem->start, resource_size(mem), - XILINX_SPI_NAME)) + xspi->regs = devm_ioremap_resource(dev, mem); + if (IS_ERR(xspi->regs)) { + ret = PTR_ERR(xspi->regs); goto put_master; - - xspi->regs = ioremap(mem->start, resource_size(mem)); - if (xspi->regs == NULL) { - dev_warn(dev, "ioremap failure\n"); - goto map_failed; } master->bus_num = bus_num; @@ -424,7 +420,7 @@ struct spi_master *xilinx_spi_init(struct device *dev, struct resource *mem, xspi->tx_fn = xspi_tx32; xspi->rx_fn = xspi_rx32; } else - goto unmap_io; + goto put_master; /* SPI controller initializations */ @@ -433,7 +429,7 @@ struct spi_master *xilinx_spi_init(struct device *dev, struct resource *mem, /* Register for SPI Interrupt */ ret = request_irq(xspi->irq, xilinx_spi_irq, 0, XILINX_SPI_NAME, xspi); if (ret) - goto unmap_io; + goto put_master; ret = spi_bitbang_start(&xspi->bitbang); if (ret) { @@ -447,10 +443,6 @@ struct spi_master *xilinx_spi_init(struct device *dev, struct resource *mem, free_irq: free_irq(xspi->irq, xspi); -unmap_io: - iounmap(xspi->regs); -map_failed: - release_mem_region(mem->start, resource_size(mem)); put_master: spi_master_put(master); return NULL; @@ -465,9 +457,7 @@ void xilinx_spi_deinit(struct spi_master *master) spi_bitbang_stop(&xspi->bitbang); free_irq(xspi->irq, xspi); - iounmap(xspi->regs); - release_mem_region(xspi->mem.start, resource_size(&xspi->mem)); spi_master_put(xspi->bitbang.master); } EXPORT_SYMBOL(xilinx_spi_deinit);