From patchwork Sun Sep 22 11:30:41 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Markus Elfring X-Patchwork-Id: 11155799 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 5DFF813B1 for ; Sun, 22 Sep 2019 11:31:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 327AF208C0 for ; Sun, 22 Sep 2019 11:31:09 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=web.de header.i=@web.de header.b="EAhfm2pN" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726162AbfIVLbI (ORCPT ); Sun, 22 Sep 2019 07:31:08 -0400 Received: from mout.web.de ([217.72.192.78]:59089 "EHLO mout.web.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726129AbfIVLbI (ORCPT ); Sun, 22 Sep 2019 07:31:08 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=web.de; s=dbaedf251592; t=1569151844; bh=kC76RXvfJTy1HZUekXpbmi7oxCJC1XxnD+EiRjMIZvo=; h=X-UI-Sender-Class:To:Cc:From:Subject:Date; b=EAhfm2pN+jW523GMafYEw+FVFzrL4bDED1EDqskmS/0ccx3hWzDCk5iiOmtFXjNQw rYYqvjVDcEmOVI7lkWjsp6B11mizPO8Zk1C1VVQ+1R9lXuAK/sRaVyzGTq6BBHsliA 4vCzdx4VR6X0O9s4WfsVyAZpqKIKg/xuLX+tb/ho= X-UI-Sender-Class: c548c8c5-30a9-4db5-a2e7-cb6cb037b8f9 Received: from [192.168.1.2] ([2.244.8.78]) by smtp.web.de (mrweb103 [213.165.67.124]) with ESMTPSA (Nemesis) id 0M9os0-1iN1ch460m-00B38s; Sun, 22 Sep 2019 13:30:44 +0200 To: dmaengine@vger.kernel.org, linux-arm-kernel@lists.infradead.org, =?utf-8?q?Andreas_F=C3=A4rber?= , Dan Williams , Manivannan Sadhasivam , Vinod Koul Cc: LKML , kernel-janitors@vger.kernel.org From: Markus Elfring Subject: [PATCH] dmaengine: owl: Use devm_platform_ioremap_resource() in owl_dma_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= Message-ID: Date: Sun, 22 Sep 2019 13:30:41 +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:DjgGZJ2CdVmeeHm5b7Ehe3aT2ACCFpE86w/u10/ZvEVJMvN2S6B sL85AWmfmP8feL8NN/2F8OEGGmyFkFcJHKAIfAqMcIKiW7Gbvk//O27IEr4BpaqXIqqVeMo WUXy8jpHqE+eO7/Nof2Wdtq7zO5iq7puvnHjKBq3q4D+XQ9XPj0HY7bhoAKJ5TTQfRNhp9p yp4viTOfuHIy9mHlgJESQ== X-Spam-Flag: NO X-UI-Out-Filterresults: notjunk:1;V03:K0:npTUmH/GVX4=:5D9q1T1bl9fyv+TyBzQAU+ ZiitkRZYzVCQ3nsO34CA9gWtb6jNdFs+o70D0dKiiFS1FFw9FNVnZ4nCTbrn24yHv+wW6yJy5 hGyhnZA+uSE265JUawOoJeupEDdd176i/SbHbbp+sXX7YYf2CnlDT9o7nhEJyhDlQJIWCMooz ckxIjDcvBmb7xEJDqsHKbTd8g6RxodBUIDt4megD2k576r0Ew14ua9B5W/USY8GEf9Z0jOwBM 3SyBEeT2wIwdfptJigYbEyoM5Fhb7saueupsO7ctJ6oZFDASPqFdSHO95r9GMSzCJ8NjHxiIH wNRltuRzrOWRRq0P7ue58HdWNOLmOMm7xIAhTGvVsFvvi93CJoTImJCgA1nvgyngq+JnZJSg/ HmSZCg7/d95me2LeltV1iBcoMuZ3qG9EX4Nw+r1Xvz/iTZjoh7mv3+MhP1lBznAgB3wJK/9YT dr37SikcxFcKN5X4VvrtPST+SsFiPLdARcnGfD8VKXFkyvmuVJZD48l+QGhzErXdwtPdFcteM hJ07hn4MJlgSzjNsUqTlRktzIlKZabnm9hm1bGBd7DiWvROmU0mrIKAohgIrQ/YuXoAGGp3IO 0zc68nzoq9CgRaTCIiJGHMVxZKtyjwH7o5mSpBAgyKxNUHVYjwj3EvIuPVVdpZW0isK+BP8e/ 4L/vEpgSV6KTzRYHohFRxDMLH4/xcvldSK4V4ojzHNKCgSC/Po22hYft13f8Dr9OXJQKzBV2s INOfEjY0qBTJ0ntW0eonT59OZqtNvE/2R3own8+kqg9voxTQkkWXxroG6ScAD7HKltvdJPH8F AqCfj6KfYkOYuDfvUR//LR1K0jHeJWaHpwgG/2bhq3pm23NC6S2/8firTs7RLyiEUkM7o8S3/ upaN/TsxdoTTr8Dqu0cVUkX2ZGns+tfxnSNIjXwVWCwc5280cdygy7ITk+GTvf0E+FTbgCyCW dE+jga4OrEww/0Bb0xxEkabxnAbr084XQ3XDVD2Mc1GcyXpTXZa7ZDdGjo20K03i9cR5zLQGt qU6vdaXTaCMr63M3DZj1kmJaxIi8liwSVkP6Y8V9Mb/M6d+3wIHGpR+t14xe8oxrN9siL9Dhf r3VtV7eMguF33rg+Ovi0MNN2b4oAVhoyU3EiL6slzkgTr5sNoJyn3TsNgb2cKKdfc+oRBLLVS inRnrC81nWDI6TKF1UGI+RwQj2h7hXNuH6HgfINnAD3EmCRE58uJHk1vx5ytgUMRB0kFCSUIQ 95N0UoVTZ9pxXShp2gOs08QNR2etXuQKIrI4bFBWgn9lzTAnUyfE5uG3amCA= 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 13:23:54 +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 --- drivers/dma/owl-dma.c | 7 +------ 1 file changed, 1 insertion(+), 6 deletions(-) -- 2.23.0 diff --git a/drivers/dma/owl-dma.c b/drivers/dma/owl-dma.c index 90bbcef99ef8..023f951189a7 100644 --- a/drivers/dma/owl-dma.c +++ b/drivers/dma/owl-dma.c @@ -1045,18 +1045,13 @@ static int owl_dma_probe(struct platform_device *pdev) { struct device_node *np = pdev->dev.of_node; struct owl_dma *od; - struct resource *res; int ret, i, nr_channels, nr_requests; od = devm_kzalloc(&pdev->dev, sizeof(*od), GFP_KERNEL); if (!od) return -ENOMEM; - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!res) - return -EINVAL; - - od->base = devm_ioremap_resource(&pdev->dev, res); + od->base = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(od->base)) return PTR_ERR(od->base);