From patchwork Sun Sep 22 08:48:20 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Markus Elfring X-Patchwork-Id: 11155761 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id DA27676 for ; Sun, 22 Sep 2019 08:48:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id AF4CD20830 for ; Sun, 22 Sep 2019 08:48:53 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=web.de header.i=@web.de header.b="GfB12LUb" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728011AbfIVIsx (ORCPT ); Sun, 22 Sep 2019 04:48:53 -0400 Received: from mout.web.de ([212.227.17.11]:47517 "EHLO mout.web.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727991AbfIVIsx (ORCPT ); Sun, 22 Sep 2019 04:48:53 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=web.de; s=dbaedf251592; t=1569142110; bh=1IMwv0qhLGo+oSbw8+SiiHtK+s+teR0BEJvkeVWbEdI=; h=X-UI-Sender-Class:To:From:Subject:Cc:Date; b=GfB12LUbKf/dmHLeOeLbSq3vbMq9p5sMRFseqdPQGJDQz9jhdpFPk50EbjtBYmC4y WX1w7+LGKftwU3MoMRB0kt9WoJr4+hFW2pJ30uPWvWYRvnQM7hiuKJWRGpfwochWLt T39dFUl22MvcpkYYNcu6zfO/ruiBFYz+ZQjn/c5g= X-UI-Sender-Class: c548c8c5-30a9-4db5-a2e7-cb6cb037b8f9 Received: from [192.168.1.2] ([2.244.8.78]) by smtp.web.de (mrweb101 [213.165.67.124]) with ESMTPSA (Nemesis) id 0LcPf8-1hk0r53G6A-00jsEf; Sun, 22 Sep 2019 10:48:29 +0200 To: dmaengine@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Dan Williams , Ludovic Desroches , Vinod Koul From: Markus Elfring Subject: [PATCH] dmaengine: at_xdmac: Use devm_platform_ioremap_resource() in at_xdmac_probe() Autocrypt: addr=Markus.Elfring@web.de; prefer-encrypt=mutual; keydata= mQINBFg2+xABEADBJW2hoUoFXVFWTeKbqqif8VjszdMkriilx90WB5c0ddWQX14h6w5bT/A8 +v43YoGpDNyhgA0w9CEhuwfZrE91GocMtjLO67TAc2i2nxMc/FJRDI0OemO4VJ9RwID6ltwt mpVJgXGKkNJ1ey+QOXouzlErVvE2fRh+KXXN1Q7fSmTJlAW9XJYHS3BDHb0uRpymRSX3O+E2 lA87C7R8qAigPDZi6Z7UmwIA83ZMKXQ5stA0lhPyYgQcM7fh7V4ZYhnR0I5/qkUoxKpqaYLp YHBczVP+Zx/zHOM0KQphOMbU7X3c1pmMruoe6ti9uZzqZSLsF+NKXFEPBS665tQr66HJvZvY GMDlntZFAZ6xQvCC1r3MGoxEC1tuEa24vPCC9RZ9wk2sY5Csbva0WwYv3WKRZZBv8eIhGMxs rcpeGShRFyZ/0BYO53wZAPV1pEhGLLxd8eLN/nEWjJE0ejakPC1H/mt5F+yQBJAzz9JzbToU 5jKLu0SugNI18MspJut8AiA1M44CIWrNHXvWsQ+nnBKHDHHYZu7MoXlOmB32ndsfPthR3GSv jN7YD4Ad724H8fhRijmC1+RpuSce7w2JLj5cYj4MlccmNb8YUxsE8brY2WkXQYS8Ivse39MX BE66MQN0r5DQ6oqgoJ4gHIVBUv/ZwgcmUNS5gQkNCFA0dWXznQARAQABtCZNYXJrdXMgRWxm cmluZyA8TWFya3VzLkVsZnJpbmdAd2ViLmRlPokCVAQTAQgAPhYhBHDP0hzibeXjwQ/ITuU9 Figxg9azBQJYNvsQAhsjBQkJZgGABQsJCAcCBhUICQoLAgQWAgMBAh4BAheAAAoJEOU9Figx g9azcyMP/iVihZkZ4VyH3/wlV3nRiXvSreqg+pGPI3c8J6DjP9zvz7QHN35zWM++1yNek7Ar OVXwuKBo18ASlYzZPTFJZwQQdkZSV+atwIzG3US50ZZ4p7VyUuDuQQVVqFlaf6qZOkwHSnk+ CeGxlDz1POSHY17VbJG2CzPuqMfgBtqIU1dODFLpFq4oIAwEOG6fxRa59qbsTLXxyw+PzRaR LIjVOit28raM83Efk07JKow8URb4u1n7k9RGAcnsM5/WMLRbDYjWTx0lJ2WO9zYwPgRykhn2 sOyJVXk9xVESGTwEPbTtfHM+4x0n0gC6GzfTMvwvZ9G6xoM0S4/+lgbaaa9t5tT/PrsvJiob kfqDrPbmSwr2G5mHnSM9M7B+w8odjmQFOwAjfcxoVIHxC4Cl/GAAKsX3KNKTspCHR0Yag78w i8duH/eEd4tB8twcqCi3aCgWoIrhjNS0myusmuA89kAWFFW5z26qNCOefovCx8drdMXQfMYv g5lRk821ZCNBosfRUvcMXoY6lTwHLIDrEfkJQtjxfdTlWQdwr0mM5ye7vd83AManSQwutgpI q+wE8CNY2VN9xAlE7OhcmWXlnAw3MJLW863SXdGlnkA3N+U4BoKQSIToGuXARQ14IMNvfeKX NphLPpUUnUNdfxAHu/S3tPTc/E/oePbHo794dnEm57LuuQINBFg2+xABEADZg/T+4o5qj4cw nd0G5pFy7ACxk28mSrLuva9tyzqPgRZ2bdPiwNXJUvBg1es2u81urekeUvGvnERB/TKekp25 4wU3I2lEhIXj5NVdLc6eU5czZQs4YEZbu1U5iqhhZmKhlLrhLlZv2whLOXRlLwi4jAzXIZAu 76mT813jbczl2dwxFxcT8XRzk9+dwzNTdOg75683uinMgskiiul+dzd6sumdOhRZR7YBT+xC wzfykOgBKnzfFscMwKR0iuHNB+VdEnZw80XGZi4N1ku81DHxmo2HG3icg7CwO1ih2jx8ik0r riIyMhJrTXgR1hF6kQnX7p2mXe6K0s8tQFK0ZZmYpZuGYYsV05OvU8yqrRVL/GYvy4Xgplm3 DuMuC7/A9/BfmxZVEPAS1gW6QQ8vSO4zf60zREKoSNYeiv+tURM2KOEj8tCMZN3k3sNASfoG fMvTvOjT0yzMbJsI1jwLwy5uA2JVdSLoWzBD8awZ2X/eCU9YDZeGuWmxzIHvkuMj8FfX8cK/ 2m437UA877eqmcgiEy/3B7XeHUipOL83gjfq4ETzVmxVswkVvZvR6j2blQVr+MhCZPq83Ota xNB7QptPxJuNRZ49gtT6uQkyGI+2daXqkj/Mot5tKxNKtM1Vbr/3b+AEMA7qLz7QjhgGJcie qp4b0gELjY1Oe9dBAXMiDwARAQABiQI8BBgBCAAmFiEEcM/SHOJt5ePBD8hO5T0WKDGD1rMF Alg2+xACGwwFCQlmAYAACgkQ5T0WKDGD1rOYSw/+P6fYSZjTJDAl9XNfXRjRRyJSfaw6N1pA Ahuu0MIa3djFRuFCrAHUaaFZf5V2iW5xhGnrhDwE1Ksf7tlstSne/G0a+Ef7vhUyeTn6U/0m +/BrsCsBUXhqeNuraGUtaleatQijXfuemUwgB+mE3B0SobE601XLo6MYIhPh8MG32MKO5kOY hB5jzyor7WoN3ETVNQoGgMzPVWIRElwpcXr+yGoTLAOpG7nkAUBBj9n9TPpSdt/npfok9ZfL /Q+ranrxb2Cy4tvOPxeVfR58XveX85ICrW9VHPVq9sJf/a24bMm6+qEg1V/G7u/AM3fM8U2m tdrTqOrfxklZ7beppGKzC1/WLrcr072vrdiN0icyOHQlfWmaPv0pUnW3AwtiMYngT96BevfA qlwaymjPTvH+cTXScnbydfOQW8220JQwykUe+sHRZfAF5TS2YCkQvsyf7vIpSqo/ttDk4+xc Z/wsLiWTgKlih2QYULvW61XU+mWsK8+ZlYUrRMpkauN4CJ5yTpvp+Orcz5KixHQmc5tbkLWf x0n1QFc1xxJhbzN+r9djSGGN/5IBDfUqSANC8cWzHpWaHmSuU3JSAMB/N+yQjIad2ztTckZY pwT6oxng29LzZspTYUEzMz3wK2jQHw+U66qBFk8whA7B2uAU1QdGyPgahLYSOa4XAEGb6wbI FEE= Cc: LKML , kernel-janitors@vger.kernel.org, Nicolas Ferre Message-ID: <377247f3-b53a-a9d9-66c7-4b8515de3809@web.de> Date: Sun, 22 Sep 2019 10:48:20 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.1.0 MIME-Version: 1.0 Content-Language: en-US X-Provags-ID: V03:K1:zFvPVHfL+9MKnsU04xQlToyp1Y9bukoHPwtl1wNYkS5z+Vp/FlX jkZ8OtfJmur4QSD/As5+wKaR+vTrh1PLv4fR5EsLcfW7NhuJa/vquyuYBU73nl7UsSDSisq 8g7JYQChu4NY+361AIZsh/cwXW2EEUoGZh8Xn8geftBNgtXlpUbyGZY4Ftasmolsshky2Ho hY10l3Rfh1AVpheI36ABg== X-Spam-Flag: NO X-UI-Out-Filterresults: notjunk:1;V03:K0:4Kk8+spbMhU=:2wcqXb0patGfUIOtf8WPcE yhgyAO3Rg79FXhwCRBILFR1iy0dWw4s+CYMnftZAkypH6zH1FTDjFTxGW+cTdm2XLpRW81vBe GdFFRsNoCYMhGR8wGbkOd54uTZzC5dV38CsvRAIxg3ObZQBl9pHmIjd9wpKEOGPVq23570mZa Z8WZA8zGaBBdPTqLzJpQJYZhgL2kQPQUOWCKwhMy6f9DZ0AUEN+8N7a7c+24E5hhjs+c5PrQy Zrd+4XgMXkVEfza7FKpFUEOJ/qFOmdFoYIzTB47Z4pbgAEbg1XIEh1ZuinKJn4HEySJK+snaB ro3dsA/r7SoiDZTA/LyV0tTyj6GMOI72dfDgbILCuh0llkWk7VvOLFuAQmj37Mm0+CLx7RM/i BC0nQzx5ZCvoxK2eYqVaeiqn3rwvOgf7FLgbtfxs1Py5Ei0ruVgyRlc6PzT2UPc0a8gxDFsLy kGOHDRQLaFKHBja9tYug6iyIZz4M+FSTmkb8m0ZJ43pDSqE5lrlR0kTgd5gfIMYNji8TS3m8/ /d7Vu4YZ2M5JZ4YXDLw2JZ+FqqJx2hZuWmCwm7sHlFPItvTiiwuffiJqT0zUhun8cAiu48CAf gD62+tqaEgkedNPRuq4Ve5Dgx2C+Isyz20Gja7M7A/2tCDIfzEwyriPT/qYQj2BccUNnYefal jJT6+ocPVWjMMG0wRkCYlxO+z7k4Gca8lsFwFt49PtSHdD35UQcR33ZNZMvqp/zmkttIhhFdO bzjbkakz1ReL+nCAIojvmyTNATgQfCY6sR8ye4sPxDYCIiJSe9NHY4aYXL/bLo4RJV1IoA4Bq p13iZHqSxRrTpI9qJt/nI8hbkOObhGtHP38JNpOvD8jTAs1RsiHRbnZ+j1ntk/lwo9ia7DT9W GO9HctJR6l4zGMcBxUiUMrLmLUpE3UEZce3o4EyrRYERkE0znJen1aI/z4udH37/7uu1lRC/8 TqUq0FsEO2wNqe8yGYkTySVtChUN+x1+Uk2e5/EjI0TaycrpYCxoDjw8qNiVIjXLqVNZXRMos XTcWVaGlQniwb4sCJGsu5Wwa5qssxlAIy9hX/rNuC/5ZPVp3Bxt0OYE0BZ2jmpz2GSaFLF4hy dNDwQDZeSI52RA6UXtUKKyLw8tAAS0MXiDNuN7+kPqtXFneXg5aRvoh79G/AqTDXvxUtcyV9S XR3dsqQDd/NeTTkfFwmKnyoBHi1/EAgu9EoxOyjC6NOv6YI+Vi3NRH0I701DKzZv/Pj7OiZ3u i3Of/p1KINn3TX7/QNoAoLmsVO0ANn9nt7N8RfJ8+RpRnYaK+LaZDdrPLfmY= Sender: dmaengine-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: dmaengine@vger.kernel.org From: Markus Elfring Date: Sun, 22 Sep 2019 10:37:31 +0200 Simplify this function implementation by using a known wrapper function. This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring Acked-by: Ludovic Desroches --- drivers/dma/at_xdmac.c | 7 +------ 1 file changed, 1 insertion(+), 6 deletions(-) -- 2.23.0 diff --git a/drivers/dma/at_xdmac.c b/drivers/dma/at_xdmac.c index b58ac720d9a1..f71c9f77d405 100644 --- a/drivers/dma/at_xdmac.c +++ b/drivers/dma/at_xdmac.c @@ -1957,21 +1957,16 @@ static int atmel_xdmac_resume(struct device *dev) static int at_xdmac_probe(struct platform_device *pdev) { - struct resource *res; struct at_xdmac *atxdmac; int irq, size, nr_channels, i, ret; void __iomem *base; u32 reg; - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!res) - return -EINVAL; - irq = platform_get_irq(pdev, 0); if (irq < 0) return irq; - base = devm_ioremap_resource(&pdev->dev, res); + base = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(base)) return PTR_ERR(base);