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[23.128.96.18]) by mx.google.com with ESMTP id s21si10225914ejz.9.2020.06.23.05.48.00; Tue, 23 Jun 2020 05:48:23 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@web.de header.s=dbaedf251592 header.b=rV+QlZOD; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732619AbgFWMpc (ORCPT + 99 others); Tue, 23 Jun 2020 08:45:32 -0400 Received: from mout.web.de ([212.227.15.14]:42863 "EHLO mout.web.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729504AbgFWMpb (ORCPT ); Tue, 23 Jun 2020 08:45:31 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=web.de; s=dbaedf251592; t=1592916323; bh=wZeKsBjYqwbsphXGlDIEV2mIF1HfcLK+v/WhnvkUt5c=; h=X-UI-Sender-Class:Subject:To:Cc:References:From:Date:In-Reply-To; b=rV+QlZODDElPKUt/DEVWGjgzY1ulPUTC/muQB97XJIkoq3tgV/NIcH1/r9ZNRzznO qQj6AR99Wbjwri66EOiNpaBeFCKnt9tztPYvJn6XpuqJlvsf+Adq34+u0i9VZ7geDJ HEIfgRCSXprtPtmzdxXTvHcD5v1CDJr2IO0rnO4I= X-UI-Sender-Class: c548c8c5-30a9-4db5-a2e7-cb6cb037b8f9 Received: from [192.168.1.2] ([78.49.105.198]) by smtp.web.de (mrweb002 [213.165.67.108]) with ESMTPSA (Nemesis) id 0MLyCC-1jmamU3N3U-007izh; Tue, 23 Jun 2020 14:45:22 +0200 Subject: Re: [v2 1/2] ASoC: fsl_mqs: Don't check clock is NULL before calling clk API To: Shengjiu Wang , alsa-devel@alsa-project.org, linuxppc-dev@lists.ozlabs.org Cc: Shengjiu Wang , Xiubo Li , Timur Tabi , Takashi Iwai , Nicolin Chen , Mark Brown , Fabio Estevam , kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org References: <39ac8f24-3148-2a3d-3f8d-91567b3c4c9e@web.de> <24be48d2-63de-b900-cec7-d21e83a89ca2@web.de> From: Markus Elfring 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: Tue, 23 Jun 2020 14:45:21 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.9.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-GB Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:IW6xw4Oh/6fwz4+xqE2R2RDQ+woXbhCvtwX6iDCexDp7OcRNmia NsTx1XNMvlwvz8fQVX7vtTuhrLgVP8dCt0O1sNfOmk071rND3KePF6vTUdHzWBJAItPGCFQ MplFmdGPjJYCtT0HeSxvinmKlY6DJlnRspauGLU8un9QEZixPuCY7f3oDe+b1dH0lnLY5e2 sx7WenpXdvMzqTvlL4LTA== X-Spam-Flag: NO X-UI-Out-Filterresults: notjunk:1;V03:K0:xMWpbwgtIMQ=:nYWve4H8NKJIAGdhlYaBe3 CVofffNYNFUUbwfybc5ghddxL7OfUryL/vNn1clWZTzV7HQjXCBftRVeOxfx+4O9ZmP1UkjCw V7qWKjwuVXxC2xYq2RYZQHktRc8cnlpq44OQx8CyL3Wzw/ppU3qpa0OXXuWWzTmidaub8zeEy iHDqfhnCM0NnXJbtp/DuMPLt7WRR7z9W4eDJlqnBU/nWwuOXMh+8G8XiGf3kpDzGZ5bkh/Lo4 az5VDqisNTCeH5j06aU1UNeq9bnKfaxsWpdBNl4FDA04kbOud9hTK2L2dBawwdIQi1DPKpOIG /Z57dbUE/3npP2CdthTkjfBFG1msnlExj0ywlZvACUmJxLgnfEitU7thMYezTL05P892nROmI w9Bd5RfMOikaltjj7LLZeLBqPBidqBuMRJgmUKiimSi8+gRLRB8ksgeiO+3pgg9CWInS12h4A Mu/ULvJHNoDAZB/ZDMGQ0xceMOb85UwVZVnjdpBuo9rMSxZT6gXjua6AXMypXWQnL142D2dpt GAfcIBV7N26tVjBCh9bo08Hu07ZwW1HXDRuC5L9JYH2bBIDEaWOJR+BWK2wHRe9JK7Xuosgoy 37AF/GXslHSlEe8xvv1Mq/mc1eH5Gz37S4NF5Z2Xe1q4c6gA6cG+qR3PO1YRMP4wBwkxYY84W eYoF1gwoVx2RaplP9Z+xMpSXpykzfOehynqmKFeYRqYuKuihBmsZrXwGQMwQlU5LkgRaiMDY2 I549eLD1F0rQ33WK+6SJxjiYn+Yb696v5WkmJM/OeZPtOxQQtyq7oc3/m2SOBpBkUsBAvZ2ap IVNwOkRenWFSostS0v0fM3Ghs4eTTKuxVfBiLRKLItttGMhoNe4AZhzvpnfTILIm9saH8fpCp QAWRBHvjjPXURGkbb1WvhkcSqyeZ8/kQCCOZ5uleRg84KuQAfhhIK7HUAO+TGDB6Y0nlD+7dc qjWPpVI9pDyiFjF+s8LeV/cayXc7DqZG6nAW9lYW7PlENSqRTUtNslcb9hRfUB7gr7pcuk+fb UhOqTtr2+KtTAKT+OzDXftDHjzF7hoOxmrm/QSlJsEYRLBMZJLktA+rt9dLoT1v0fDSBGe32d YRCZ0YRKISQeoUjAgXIuV0K8LPfftnGxHGFmdcLNKr2ZPW2LoHqJdp334986g8QjzjERBHK92 jSb8qfHHZVR0HO28jlfRt+EhXNKajyExguQ6GSTP//8hqmjd1y3HZqAsZ8SC5xmxsFQm2u8rw thpJzPA7Oav4sojXt Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org >>> if the parameter >>> is NULL, clk_prepare_enable and clk_disable_unprepare will >>> return immediately. >> >> The interpretation of these function implementations seems to be reason= able. >> Would you like to achieve any improvements for the corresponding softwa= re documentation? > > Which document do you mean? Example: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/in= clude/linux/clk.h?id=3Ddd0d718152e4c65b173070d48ea9dfc06894c3e5#n905 https://elixir.bootlin.com/linux/v5.7.2/source/include/linux/clk.h#L905 Regards, Markus