From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id E2DC3C43217 for ; Thu, 17 Feb 2022 08:13:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237331AbiBQINZ (ORCPT ); Thu, 17 Feb 2022 03:13:25 -0500 Received: from mxb-00190b01.gslb.pphosted.com ([23.128.96.19]:39784 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237340AbiBQINX (ORCPT ); Thu, 17 Feb 2022 03:13:23 -0500 Received: from mailout2.samsung.com (mailout2.samsung.com [203.254.224.25]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C31051DA6F for ; Thu, 17 Feb 2022 00:13:05 -0800 (PST) Received: from epcas2p3.samsung.com (unknown [182.195.41.55]) by mailout2.samsung.com (KnoxPortal) with ESMTP id 20220217081303epoutp0251ef3154034cf10c340be2cb849dd5b4~UhJ9AYPq92444824448epoutp02D for ; Thu, 17 Feb 2022 08:13:03 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 mailout2.samsung.com 20220217081303epoutp0251ef3154034cf10c340be2cb849dd5b4~UhJ9AYPq92444824448epoutp02D DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=samsung.com; s=mail20170921; t=1645085583; bh=CkVdxlzMdliZMV9QfR+AVMkX96BMbtByMo/P+XXlvBQ=; h=From:To:In-Reply-To:Subject:Date:References:From; b=qB7Pbyjkqm9FllKqtPwLCwxhzKIkhSv7e0+y1ZhYxFJCDpO8t+dVEdn8UMS9NbK7O rXaV/j3QPmXH9wKTP335B3sEQD7uCcQatnuF95s/mVFzbbnzZ7cG4UdhRMv4cmnb3V ipQMOgcNxfhO0wd1XZN6t4Dd3IS1nVwi9NNdZplI= Received: from epsnrtp4.localdomain (unknown [182.195.42.165]) by epcas2p4.samsung.com (KnoxPortal) with ESMTP id 20220217081302epcas2p4c769763743bcb16454ae027c4b629391~UhJ8N6qao1133311333epcas2p46; Thu, 17 Feb 2022 08:13:02 +0000 (GMT) Received: from epsmges2p1.samsung.com (unknown [182.195.36.92]) by epsnrtp4.localdomain (Postfix) with ESMTP id 4Jznd66Nsfz4x9Pq; Thu, 17 Feb 2022 08:12:58 +0000 (GMT) Received: from epcas2p1.samsung.com ( [182.195.41.53]) by epsmges2p1.samsung.com (Symantec Messaging Gateway) with SMTP id 3B.66.51767.A830E026; Thu, 17 Feb 2022 17:12:58 +0900 (KST) Received: from epsmtrp1.samsung.com (unknown [182.195.40.13]) by epcas2p1.samsung.com (KnoxPortal) with ESMTPA id 20220217081258epcas2p1bf98958f272c660541af370aed799b18~UhJ4JOTO32222622226epcas2p1U; Thu, 17 Feb 2022 08:12:58 +0000 (GMT) Received: from epsmgms1p2.samsung.com (unknown [182.195.42.42]) by epsmtrp1.samsung.com (KnoxPortal) with ESMTP id 20220217081258epsmtrp1af4a766ce4ff4c9e145a36adab31f588~UhJ4AmEXl3184931849epsmtrp1I; Thu, 17 Feb 2022 08:12:58 +0000 (GMT) X-AuditID: b6c32a45-45dff7000000ca37-d9-620e038aa170 Received: from epsmtip1.samsung.com ( [182.195.34.30]) by epsmgms1p2.samsung.com (Symantec Messaging Gateway) with SMTP id B2.75.08738.A830E026; Thu, 17 Feb 2022 17:12:58 +0900 (KST) Received: from KORCO011456 (unknown [10.229.18.123]) by epsmtip1.samsung.com (KnoxPortal) with ESMTPA id 20220217081257epsmtip18e8e9ee6671e636aba27f08a52bf7769~UhJ3xfZWS2002520025epsmtip1c; Thu, 17 Feb 2022 08:12:57 +0000 (GMT) From: "Kiwoong Kim" To: "'Bean Huo'" , "'Adrian Hunter'" , "'Avri Altman'" , , , , , , , , , , , , In-Reply-To: <1cb4db5f707692afedb005e2577f667f5e48e66e.camel@gmail.com> Subject: RE: [PATCH v1] scsi: ufs: remove clk_scaling_lock when clkscaling isn't supported. Date: Thu, 17 Feb 2022 17:12:57 +0900 Message-ID: <015601d823d6$2c44f5c0$84cee140$@samsung.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Mailer: Microsoft Outlook 16.0 Thread-Index: AQI4IgZMS69T+T+3eQm0GbWo6Fi0ygFitYZoAa2Aj1kCJc0N+wFVhb0mAUlYJFoCaybGMauFZ3Zw Content-Language: ko X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFrrMJsWRmVeSWpSXmKPExsWy7bCmqW4XM1+SwbmZlhYnn6xhs3gwbxub xcufV9ksDj7sZLH4uvQZq8Wn9ctYLeacbWCyWL34AYvFohvbmCwu75rDZtF9fQebxfLj/5gs uu7eYLRY+u8ti8Wd+x9ZHPg9Lvf1MnnsnHWX3WPxnpdMHhMWHWD0+L6+g83j49NbLB59W1Yx enzeJOfRfqCbKYAzKtsmIzUxJbVIITUvOT8lMy/dVsk7ON453tTMwFDX0NLCXEkhLzE31VbJ xSdA1y0zB+gFJYWyxJxSoFBAYnGxkr6dTVF+aUmqQkZ+cYmtUmpBSk6BeYFecWJucWleul5e aomVoYGBkSlQYUJ2RvPS68wFv5gqDnxrZmlg3MTUxcjJISFgInGy+RVzFyMXh5DADkaJlh+7 GCGcT4wSjyccZ4FwPjNKnHl/nhGmZfmcNqiqXYwS0zpPMEE4L4H6921lBqliE9CWmPZwNytI QkRgN7PE1zWfwNo5BdwlWj53sILYwgKxEje2X2cDsVkEVCV6fs0Cs3kFLCXaF+5kgbAFJU7O fAJmMwMNXbbwNTPEGQoSP58uA5sjIhAl0dDcxghRIyIxu7MN7CMJgTscEhcmvmeFaHCROLvz EZQtLPHq+BZ2CFtK4mV/G5DNAWQXS2zaJw/R28AoseTTZhaIGmOJWc/aGUFqmAU0Jdbv0oco V5Y4cgvqND6JjsN/oabwSnS0CUE0Kkv8mjQZGnCSEjNv3oEq8ZDoXJQ1gVFxFpIfZyH5cRaS X2YhrF3AyLKKUSy1oDg3PbXYqMAQHtnJ+bmbGMGpW8t1B+Pktx/0DjEycTAeYpTgYFYS4f1w kDdJiDclsbIqtSg/vqg0J7X4EKMpMNQnMkuJJucDs0deSbyhiaWBiZmZobmRqYG5kjivV8qG RCGB9MSS1OzU1ILUIpg+Jg5OqQamao6Jt5Ov6J2NbQx9o7324MUN+/e+dGA06ZmQdKjz8d65 kR/XHF+dFbAt57/p74VJSlcmf80qadHn9HJanT7LccEpodncv7K3KUTadF7sCnlv9sBGmGWm 2rn4MxM+m6mvYuzb6bzF+m59zenCsuUWNfttmF0su+c1q3oauPSJfuNk5ErWuc4o+2mCa0jq Xbk3l+sD+zPr9Rn7jp2YvFckJvdB9tyK7Av2gmGrf0+16Lhce1B4X/aTMEPt0LtBGvWXjDRi /rcov1qQ0aPIe9BORcy1Uz5JqcE8L1ru3w6uhosRdbNfbnys/nse98bCRC2l1zZ7Xkt/fnPX /Y6N9sYDr2cp7mTjaUyLzcg7dFuJpTgj0VCLuag4EQDWFhalZgQAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFtrCIsWRmVeSWpSXmKPExsWy7bCSnG4XM1+Swa5WFouTT9awWTyYt43N 4uXPq2wWBx92slh8XfqM1eLT+mWsFnPONjBZrF78gMVi0Y1tTBaXd81hs+i+voPNYvnxf0wW XXdvMFos/feWxeLO/Y8sDvwel/t6mTx2zrrL7rF4z0smjwmLDjB6fF/fwebx8ektFo++LasY PT5vkvNoP9DNFMAZxWWTkpqTWZZapG+XwJWx4PtxloJ/TBWrD81gamDcxNTFyMkhIWAisXxO G2MXIxeHkMAORolLKxYxQyQkJU7sfM4IYQtL3G85wgpiCwk8Z5RYM9kXxGYT0JaY9nA3K0iz iMBpZonZ166zQkzawCyxdeUvsBWcAu4SLZ87wLqFBaIltk/4CRZnEVCV6Pk1iw3E5hWwlGhf uJMFwhaUODnzCZjNDLSh92ErI4y9bOFrqOsUJH4+XQY2U0QgSqKhuQ2qRkRidmcb8wRGoVlI Rs1CMmoWklGzkLQsYGRZxSiZWlCcm55bbFhglJdarlecmFtcmpeul5yfu4kRHLFaWjsY96z6 oHeIkYmD8RCjBAezkgjvh4O8SUK8KYmVValF+fFFpTmpxYcYpTlYlMR5L3SdjBcSSE8sSc1O TS1ILYLJMnFwSjUw2f0t5n/edeZlc9Ws/fbl++absgtv333Ps1ZKq5rxkcqZrZ0Ri75EW9lv bd15Zevs+C7FtovHzxycrCA3YbtUmGFw6fnkCt+Zkf4l+9kXRL1vWbLB1mapQG31K/GHp1d9 2vV+f92HkIXeLKwzvhm1LXQoyJFQKOidXM2jZGFhPv+wRouc7ten0oz5unsWvbA+f1p5m2iE a0l9xgQl/89+nidq/vQ9cT+23dLvhtPVKqcbYSY/y98V280t9imqE5g/84blvJkbJd/cOGN2 sa/152HNJ3/5NTza4wJ1uo/9tvx104O/bSeTrfKX9c0ZUYZWV/9s3nNhxWX2R3Jr+E549E6f bZHczRfleu7d/6g4JZbijERDLeai4kQArTaqL0cDAAA= X-CMS-MailID: 20220217081258epcas2p1bf98958f272c660541af370aed799b18 X-Msg-Generator: CA Content-Type: text/plain; charset="utf-8" X-Sendblock-Type: AUTO_CONFIDENTIAL CMS-TYPE: 102P DLP-Filter: Pass X-CFilter-Loop: Reflected X-CMS-RootMailID: 20220205074128epcas2p40901c37a7328e825d8697f8d3269edba References: <1644046760-83345-1-git-send-email-kwmad.kim@samsung.com> <007101d81eed$4d120a60$e7361f20$@samsung.com> <3f2938f7-2a9e-60e8-5237-fe7ebc3b4296@intel.com> <000001d81fcb$3b962f30$b2c28d90$@samsung.com> <1cb4db5f707692afedb005e2577f667f5e48e66e.camel@gmail.com> Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org > The name of clk_scaling_lock has explained everything, for the platform > which doesn't support load-based clk scaling, doesn't need to hold this > lock. >=20 > Acked-by: Bean Huo Okay, thank you for your information. I still have no idea of why the lock is required for ufshcd_exec_dev_cmd fr= om the UFS specification w/o any featuring.