From patchwork Wed Sep 18 07:44:06 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Markus Elfring X-Patchwork-Id: 11149739 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 A62AD16B1 for ; Wed, 18 Sep 2019 07:45:06 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 82C8120640 for ; Wed, 18 Sep 2019 07:45:06 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="ss5v8xcx"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=web.de header.i=@web.de header.b="NFE7W9eW" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 82C8120640 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=web.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Date:Message-ID:Subject: From:To:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=/EC3x/XNAk0l3JFP3X8cPfSCvxtquBeBUXRY6SFrytQ=; b=ss5v8xcxeCov09 24cMu9ubjrlLkSTwdu63Ufg2gspsXjOAsKCaGHHERRdPJgNMVUdBpTEEkq0o5LT6SYQsw0s9L/9eH jweVABYZO0jHckJVWUCMN1mlQQG1eWsGf5f2q9FbC1Tz7mxL0VNgbryysE+WNh340B3nrvXAfTaSL /8REsCYammQJtujfs4l8N54x1tUvceicK2S1nH+pRI6yTkSpOxnfGUFqZOkaAhn1fDsKU+R3PvYHf x0GFB+BCx414v42E7ebhz39j9B34T4pzdEmMLilxw80Vh6ohIDfZO6jLPTmZDe3XUc0gkljnjYklz LtjPBhnh1hNjPnkZ8doQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.2 #3 (Red Hat Linux)) id 1iAUe2-0006Qu-Ql; Wed, 18 Sep 2019 07:44:59 +0000 Received: from mout.web.de ([212.227.15.4]) by bombadil.infradead.org with esmtps (Exim 4.92.2 #3 (Red Hat Linux)) id 1iAUdX-0006GM-KG; Wed, 18 Sep 2019 07:44:29 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=web.de; s=dbaedf251592; t=1568792649; bh=caFlKgqR6Wv8ag8+Edy0U8SPuU2/zu9u+4Af/rVsdRw=; h=X-UI-Sender-Class:To:Cc:From:Subject:Date; b=NFE7W9eWEbAMy8LL8+dsY0qApCZuqaTgX1tVY6r/iKo2e37EV4PXmxdSNLM5xW2jI 8LXpQbz0fIK3xTC9KmJxaSmcWnrFCz1nOfL/pH+3eW3kGzPy1YEojModg52Goyn6JY 9Q0F4qbSSEuD76M6Lk/yBLmAktIPKvbUoBMCFjnc= X-UI-Sender-Class: c548c8c5-30a9-4db5-a2e7-cb6cb037b8f9 Received: from [192.168.1.2] ([2.244.2.101]) by smtp.web.de (mrweb003 [213.165.67.108]) with ESMTPSA (Nemesis) id 0M9ome-1iLSzp32To-00B4Os; Wed, 18 Sep 2019 09:44:09 +0200 To: linux-crypto@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, Arnd Bergmann , Greg Kroah-Hartman , Herbert Xu , Matt Mackall , Matthias Brugger , Sean Wang From: Markus Elfring Subject: [PATCH] hwrng: mediatek: Use devm_platform_ioremap_resource() in mtk_rng_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: Wed, 18 Sep 2019 09:44:06 +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:TVr6y4BRlKjPTWQx2XV0ctmQfukyEOFSyasBxHm0cPqp4kGnbCx 3CTyjRCtl/6XgA40ZC7LZQ0Is9PIZuyInCqJxyMiWbGqx2QXFXanTkT54S76bZBjy5Th9V+ /Ezib46AKGIJ8/WBIh63P0mCPgdLj1+YheoQgt8F4wrwiOJVRTsQe6s+UwxXUqwYcdsg7bo jgdIUcnh2iCJzwsOmnk4A== X-Spam-Flag: NO X-UI-Out-Filterresults: notjunk:1;V03:K0:rhlOwn4khUE=:Cs3LDjWNfGQIwK9jjg8Tb5 0CByEG0g1DNdKHXAntaVmaokfVKhSfQzWKow4JQbsQGKVDT4WShzgmsaDPEH5Ft/++z9rS+ab ifdO2Rj2qm4TSquSfaVPaWIUrq7w4itO88Figd3MkLpu1yeTavHqp1902+SkAlOxJLtojeCZ3 5x+PlANKBDDe+L3Y6ykjt1p3VolIoVczFxGNDUwu4DwYekdXJJ0GUj1IKZllihiBEc50wN1E5 lZD6kgteK74dUNJeEJ8GKu+bS4PqmDu8ipdWYrcIXu7uh1A39RxxPbVhtG2oLB1YSstRGj5r5 ubi33y7rko9XOzhlWyNBFc1ycU6Q0UpdRB6TP04lqI3TIpxKI+wYa/qjqI/AMTc6I4dNNHW/O Wh/QKYlaDB0IycRVRBwxQv9ZjQTgnMmEUm6v+d7NGP4NnynsHa2Eg2nCo1wkaZnfzHSj9Wj6F Z9/AOtEjdGRwl8mD5Yi5A7Fd8F3DgLgU6RDYDFdoPQlkdA55dm9+Zyi5yLWtiSrEfF8bbjG6q 8AQVFJ90svuGjZd3X07GM+/H4JD5mZgXT/ZAL37h4wWs10Z/ZY+rbyVXJk9S1qD9/BqmmEXqC 6fdSwxUYjcqaz2ewVyZ4vCcWh1Gsv73Me45kcKCgQd0gYuKwL5+A2XodN3x0OcqFXli9oJngi jwO4CkO5wXPbz/+Hy/PeEuJpSfVzJmCrcmZQeklk8zOHcO2JzJ5GFgMqwd3Paf1hCqRMTXJhm 5789Imgo4WAQzboqg3r+BRocwrvbK2LMe2taMWcWdWo1mb3tjTb1t/fpXpShEo7XL7rJmbGuf NqqO/yba605V0ldFr+NQjkcYbMOreAAoETL5JVbF8tH2I3ClVexDfEE/9U3ZSTtlMTGBt+REI 2/ZykXANYGmCOdhpxkktW6sLO/0bfh5DwlcsgRIdjUm4Kxa9DATBufqF7q8mqsXECynqzZmq7 jnuMuyz5XgC5BD2XGrxrxLPPYsdXwOwvN5xVNsEJrpd7fLmh9GQQ5jRaN90KEPChkMOc12zPB Tan2S1OgeVXvIDt/6PejXFkli7GkDKpxSOolScaJwMzr6gT1Y5WndGodRAgkFzFHBW0xGykoJ rYdJTuSdKfqgBnQEegRa53Vnetn5Om9Hem+bRmFtFXX1oYP/2XDi/g7v5nKs81ASrHdumQ0rX b3hPJDixQLdgreMC2nbXiPZ86T9JnLCnWaTJ3g8rKNwSuekDNXKZdMOnRveHxyMyYB/AyHYXL SJZ6tr7r5q7MlteDllmsWB1ePDRG8FBF80hbi65kWbCQB3bxbMUpwoVSOjuA= X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190918_004427_984587_8B4440A1 X-CRM114-Status: UNSURE ( 9.63 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.2 on bombadil.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [212.227.15.4 listed in list.dnswl.org] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider (markus.elfring[at]web.de) -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Bartosz Golaszewski , kernel-janitors@vger.kernel.org, LKML , Himanshu Jha Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.org From: Markus Elfring Date: Wed, 18 Sep 2019 09:34:11 +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/char/hw_random/mtk-rng.c | 9 +-------- 1 file changed, 1 insertion(+), 8 deletions(-) -- 2.23.0 diff --git a/drivers/char/hw_random/mtk-rng.c b/drivers/char/hw_random/mtk-rng.c index e649be5a5f13..8ad7b515a51b 100644 --- a/drivers/char/hw_random/mtk-rng.c +++ b/drivers/char/hw_random/mtk-rng.c @@ -105,16 +105,9 @@ static int mtk_rng_read(struct hwrng *rng, void *buf, size_t max, bool wait) static int mtk_rng_probe(struct platform_device *pdev) { - struct resource *res; int ret; struct mtk_rng *priv; - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!res) { - dev_err(&pdev->dev, "no iomem resource\n"); - return -ENXIO; - } - priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL); if (!priv) return -ENOMEM; @@ -135,7 +128,7 @@ static int mtk_rng_probe(struct platform_device *pdev) return ret; } - priv->base = devm_ioremap_resource(&pdev->dev, res); + priv->base = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(priv->base)) return PTR_ERR(priv->base);