From patchwork Fri May 10 08:16:54 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wolfram Sang X-Patchwork-Id: 2549151 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 3C0193FE81 for ; Fri, 10 May 2013 08:31:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752498Ab3EJIQk (ORCPT ); Fri, 10 May 2013 04:16:40 -0400 Received: from sauhun.de ([89.238.76.85]:60381 "EHLO pokefinder.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751788Ab3EJIQi (ORCPT ); Fri, 10 May 2013 04:16:38 -0400 Received: from p5b38793b.dip0.t-ipconnect.de ([91.56.121.59]:35007 helo=localhost) by pokefinder.org with esmtpsa (TLS1.0:DHE_RSA_AES_128_CBC_SHA1:16) (Exim 4.69) (envelope-from ) id 1UaiVF-0001BF-RE; Fri, 10 May 2013 10:16:36 +0200 From: Wolfram Sang To: linux-kernel@vger.kernel.org Cc: Wolfram Sang , Sekhar Nori , Kevin Hilman , Tony Lindgren , Ben Dooks , Kukjin Kim , Barry Song , Stephen Warren , davinci-linux-open-source@linux.davincidsp.com, linux-i2c@vger.kernel.org, linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-tegra@vger.kernel.org Subject: [RFC 09/42] drivers/i2c/busses: don't check resource with devm_ioremap_resource Date: Fri, 10 May 2013 10:16:54 +0200 Message-Id: <1368173847-5661-10-git-send-email-wsa@the-dreams.de> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1368173847-5661-1-git-send-email-wsa@the-dreams.de> References: <1368173847-5661-1-git-send-email-wsa@the-dreams.de> Sender: linux-samsung-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org devm_ioremap_resource does sanity checks on the given resource. No need to duplicate this in the driver. Signed-off-by: Wolfram Sang Reviewed-by: Jingoo Han Acked-by: Kevin Hilman # for i2c-omap.c --- drivers/i2c/busses/i2c-davinci.c | 6 +----- drivers/i2c/busses/i2c-designware-platdrv.c | 6 +----- drivers/i2c/busses/i2c-imx.c | 6 +----- drivers/i2c/busses/i2c-omap.c | 6 +----- drivers/i2c/busses/i2c-rcar.c | 7 +------ drivers/i2c/busses/i2c-s3c2410.c | 5 ----- drivers/i2c/busses/i2c-sirf.c | 6 ------ drivers/i2c/busses/i2c-tegra.c | 5 ----- 8 files changed, 5 insertions(+), 42 deletions(-) diff --git a/drivers/i2c/busses/i2c-davinci.c b/drivers/i2c/busses/i2c-davinci.c index cf20e06..2ed3e7b 100644 --- a/drivers/i2c/busses/i2c-davinci.c +++ b/drivers/i2c/busses/i2c-davinci.c @@ -647,11 +647,6 @@ static int davinci_i2c_probe(struct platform_device *pdev) int r; /* NOTE: driver uses the static register mapping */ - mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!mem) { - dev_err(&pdev->dev, "no mem resource?\n"); - return -ENODEV; - } irq = platform_get_resource(pdev, IORESOURCE_IRQ, 0); if (!irq) { @@ -697,6 +692,7 @@ static int davinci_i2c_probe(struct platform_device *pdev) return -ENODEV; clk_prepare_enable(dev->clk); + mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); dev->base = devm_ioremap_resource(&pdev->dev, mem); if (IS_ERR(dev->base)) { r = PTR_ERR(dev->base); diff --git a/drivers/i2c/busses/i2c-designware-platdrv.c b/drivers/i2c/busses/i2c-designware-platdrv.c index 8ec9133..6f3c612 100644 --- a/drivers/i2c/busses/i2c-designware-platdrv.c +++ b/drivers/i2c/busses/i2c-designware-platdrv.c @@ -87,11 +87,6 @@ static int dw_i2c_probe(struct platform_device *pdev) int irq, r; /* NOTE: driver uses the static register mapping */ - mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!mem) { - dev_err(&pdev->dev, "no mem resource?\n"); - return -EINVAL; - } irq = platform_get_irq(pdev, 0); if (irq < 0) { @@ -103,6 +98,7 @@ static int dw_i2c_probe(struct platform_device *pdev) if (!dev) return -ENOMEM; + mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); dev->base = devm_ioremap_resource(&pdev->dev, mem); if (IS_ERR(dev->base)) return PTR_ERR(dev->base); diff --git a/drivers/i2c/busses/i2c-imx.c b/drivers/i2c/busses/i2c-imx.c index 82f20c6..b274ca1 100644 --- a/drivers/i2c/busses/i2c-imx.c +++ b/drivers/i2c/busses/i2c-imx.c @@ -500,17 +500,13 @@ static int __init i2c_imx_probe(struct platform_device *pdev) dev_dbg(&pdev->dev, "<%s>\n", __func__); - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!res) { - dev_err(&pdev->dev, "can't get device resources\n"); - return -ENOENT; - } irq = platform_get_irq(pdev, 0); if (irq < 0) { dev_err(&pdev->dev, "can't get irq number\n"); return -ENOENT; } + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); base = devm_ioremap_resource(&pdev->dev, res); if (IS_ERR(base)) return PTR_ERR(base); diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c index e02f9e3..8498ab7 100644 --- a/drivers/i2c/busses/i2c-omap.c +++ b/drivers/i2c/busses/i2c-omap.c @@ -1085,11 +1085,6 @@ omap_i2c_probe(struct platform_device *pdev) u16 minor, major, scheme; /* NOTE: driver uses the static register mapping */ - mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!mem) { - dev_err(&pdev->dev, "no mem resource?\n"); - return -ENODEV; - } irq = platform_get_irq(pdev, 0); if (irq < 0) { @@ -1103,6 +1098,7 @@ omap_i2c_probe(struct platform_device *pdev) return -ENOMEM; } + mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); dev->base = devm_ioremap_resource(&pdev->dev, mem); if (IS_ERR(dev->base)) return PTR_ERR(dev->base); diff --git a/drivers/i2c/busses/i2c-rcar.c b/drivers/i2c/busses/i2c-rcar.c index 4ba4a95..0fc5858 100644 --- a/drivers/i2c/busses/i2c-rcar.c +++ b/drivers/i2c/busses/i2c-rcar.c @@ -623,12 +623,6 @@ static int rcar_i2c_probe(struct platform_device *pdev) u32 bus_speed; int ret; - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!res) { - dev_err(dev, "no mmio resources\n"); - return -ENODEV; - } - priv = devm_kzalloc(dev, sizeof(struct rcar_i2c_priv), GFP_KERNEL); if (!priv) { dev_err(dev, "no mem for private data\n"); @@ -642,6 +636,7 @@ static int rcar_i2c_probe(struct platform_device *pdev) if (ret < 0) return ret; + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); priv->io = devm_ioremap_resource(dev, res); if (IS_ERR(priv->io)) return PTR_ERR(priv->io); diff --git a/drivers/i2c/busses/i2c-s3c2410.c b/drivers/i2c/busses/i2c-s3c2410.c index 6e8ee92..cab1c91 100644 --- a/drivers/i2c/busses/i2c-s3c2410.c +++ b/drivers/i2c/busses/i2c-s3c2410.c @@ -1082,11 +1082,6 @@ static int s3c24xx_i2c_probe(struct platform_device *pdev) /* map the registers */ res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (res == NULL) { - dev_err(&pdev->dev, "cannot find IO resource\n"); - return -ENOENT; - } - i2c->regs = devm_ioremap_resource(&pdev->dev, res); if (IS_ERR(i2c->regs)) diff --git a/drivers/i2c/busses/i2c-sirf.c b/drivers/i2c/busses/i2c-sirf.c index 5a7ad24..a63c7d5 100644 --- a/drivers/i2c/busses/i2c-sirf.c +++ b/drivers/i2c/busses/i2c-sirf.c @@ -303,12 +303,6 @@ static int i2c_sirfsoc_probe(struct platform_device *pdev) adap->class = I2C_CLASS_HWMON; mem_res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (mem_res == NULL) { - dev_err(&pdev->dev, "Unable to get MEM resource\n"); - err = -EINVAL; - goto out; - } - siic->base = devm_ioremap_resource(&pdev->dev, mem_res); if (IS_ERR(siic->base)) { err = PTR_ERR(siic->base); diff --git a/drivers/i2c/busses/i2c-tegra.c b/drivers/i2c/busses/i2c-tegra.c index b60ff90..9aa1b60 100644 --- a/drivers/i2c/busses/i2c-tegra.c +++ b/drivers/i2c/busses/i2c-tegra.c @@ -714,11 +714,6 @@ static int tegra_i2c_probe(struct platform_device *pdev) int ret = 0; res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!res) { - dev_err(&pdev->dev, "no mem resource\n"); - return -EINVAL; - } - base = devm_ioremap_resource(&pdev->dev, res); if (IS_ERR(base)) return PTR_ERR(base);