From patchwork Sun Sep 22 09:25:20 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Markus Elfring X-Patchwork-Id: 11155771 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 0FAA41599 for ; Sun, 22 Sep 2019 09:25:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D4B7C208C0 for ; Sun, 22 Sep 2019 09:25:38 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=web.de header.i=@web.de header.b="LUWvLUyV" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728078AbfIVJZi (ORCPT ); Sun, 22 Sep 2019 05:25:38 -0400 Received: from mout.web.de ([217.72.192.78]:33439 "EHLO mout.web.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728053AbfIVJZi (ORCPT ); Sun, 22 Sep 2019 05:25:38 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=web.de; s=dbaedf251592; t=1569144322; bh=2Z9yCR40wxwxIrZGcz+rV3zLTajpwd3EPBxNQ1uSCxw=; h=X-UI-Sender-Class:To:Cc:From:Subject:Date; b=LUWvLUyVHYVSN2rnpMUfFhBqpJAD3GCHVAhYZbH2gOQxvo4AHg3IH2sutN0fK7ypu ZJEHMtedrjfRgQ1CCt9V5XjvXEn8DbuKQ+hPrwIARNu3Y3eX8CQHEaRWepHd3fTJH5 C+7kJyqBNesbKvnyZcCui/FJf64cMpMS+s2j291s= X-UI-Sender-Class: c548c8c5-30a9-4db5-a2e7-cb6cb037b8f9 Received: from [192.168.1.2] ([2.244.8.78]) by smtp.web.de (mrweb102 [213.165.67.124]) with ESMTPSA (Nemesis) id 0M57Ra-1hzUiN48OE-00zIBG; Sun, 22 Sep 2019 11:25:22 +0200 To: dmaengine@vger.kernel.org, Dan Williams , Paul Cercueil , Vinod Koul , Zubair Lutfullah Kakakhel Cc: LKML , kernel-janitors@vger.kernel.org, Alex Smith From: Markus Elfring Subject: [PATCH] dmaengine: jz4780: Use devm_platform_ioremap_resource() in jz4780_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: <5dd19f28-349a-4957-ea3a-6aebbd7c97e2@web.de> Date: Sun, 22 Sep 2019 11:25:20 +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:QjWwg2VcxqWmRVmACcegoQ20ULWylrrKMutjy1rKeaiqOJmHqT1 0efNDJtaPH0Gh97LwPFnwqDdGodo252s8VMGZKqP2eVjGV1l5U7K6Le9LUTnYw9DDRZV4wc tfw31B1nM0PVJJcepWlcmx87QY9kPJa4soP2c4GzXOzlJnjurfle4/UjY+nE0Nlbbk3T2Rh X0p3liSjjPZiDuyRdpbgw== X-Spam-Flag: NO X-UI-Out-Filterresults: notjunk:1;V03:K0:giIHKdr8xcU=:+BJuZzRmENV/ZOf9W4FFgi AJMS+d10XS9lyKNb9rGWi2eNTyXaA/G/7BKS+R9zAKnNc0rS0bCPf5BxbkylICVyTapQoFzWC /NnLVtN91h6G8/yneSZNanCFMyJnWtcTIyu7HEUcgEHQZNhMoY3TDxyd4yPyMk8wZ6sI0ulXh E5D9RS5o7EOs+h5yUdna0F1SHQ41Hk3gQGtBBIQYu8IEKwZPBtGAzya7lAg0j+/zT2Om/X59I +pkV0tn3xTBh7DLKc6qqgRfgeYmogBA4eSW9Cd9F91I2pk6xbHpb62mkX29x4CtWDRl/dqHu9 C6XvzA7OFBjgasJmyxPAidhzefW7jCwZ5cKUZhac5N6KP/vvpXMdAG2kgxEiOYJeLIzZwORLe dq/o+idOxQwYW4oWv/MKc+8jk15jS29npaiW16u1/Mle7baRV+0lioeywE2hvxEZ0fgYAVmRG i2sFhIO0mQgSDWlsKmLXcbpRf7cCWPRF9BIR++uJOFXYLma4TebeTvYq3osf+27yWYQVzpJkq AOOxhbzUPMdCbdwizEAGpwgrGNfnJRvNc2l4h+wu28w4xLv9Rvv+shWQWLmXqaXWYvNuJBmv9 LGwSuVMHK1HJu78fuxVYhHc0K1i14Hq+XHDktSxEp91JJmcrO6YyZUk1p9WmTnq2qx8z17PFd b1Gv4O7xYgQ0432VWUoVziMdYzbet8GY1HaNsO5z22o5UTi/aYEcm72LajqIxIM220CP++Ini mj1xxCGCHp+z5X9fcCxaRNYw0Jfk35CXntLoeLCbIT3OZGO4F9LwR4tNV3TR/Q86eXh/yv9QA zRSCTIPpl/dOKD0c7fpFOfXAJvGvQW1jrVlkY/LOA8++GUAiQnjxu3ZMuaWwQkijg9bVphmxE tSIj5nHZi1lPsS1Thvwb8eJlIhIa/WZG14Mu52m4W5bZv8nWLed4jm3DOEidfsZPXj4KM6Gdg 4lroPZZni3pUbpKRsZWKZlktD5ucsaXjO1stMTf693cr6e/qJqc5ATSiPcFj1t7HrLsrr3jpk CD9h3iGcrdB2FYTJAz2P4I7zjUr1Z9/F/N4NedTZgjylE4R0Pj4/8gfndED8GY8YuEbhfaMuS czDEkfucxHp6272dcDEh1+eXGS856nRhPg9LI7OFHRF24T4YwNDlmfTAenpPoto9ex8K4twN6 Fq03LLl2/jXyeQEE5bCd81ENMRn1b8PKwHZ6s+QIoJYiUe1C8HXCC90As9BBVwW6Mu7YvxieX 03c0pUZ6PGAkMG1O6r2FFMDnOqtJ/nZy9Ql4j2l+NoZARTQVDYZ3oZfAZxOA= 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 11:18:27 +0200 Simplify this function implementation a bit by using a known wrapper function. This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring Signed-off-by: Paul Cercueil Reviewed-by: Paul Cercueil --- drivers/dma/dma-jz4780.c | 8 +------- 1 file changed, 1 insertion(+), 7 deletions(-) -- 2.23.0 diff --git a/drivers/dma/dma-jz4780.c b/drivers/dma/dma-jz4780.c index cafb1cc065bb..f42b3ef8e036 100644 --- a/drivers/dma/dma-jz4780.c +++ b/drivers/dma/dma-jz4780.c @@ -858,13 +858,7 @@ static int jz4780_dma_probe(struct platform_device *pdev) jzdma->soc_data = soc_data; platform_set_drvdata(pdev, jzdma); - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!res) { - dev_err(dev, "failed to get I/O memory\n"); - return -EINVAL; - } - - jzdma->chn_base = devm_ioremap_resource(dev, res); + jzdma->chn_base = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(jzdma->chn_base)) return PTR_ERR(jzdma->chn_base);