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 X-Spam-Level: X-Spam-Status: No, score=-6.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id CA5DCC4338F for ; Tue, 27 Jul 2021 09:05:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B381E61267 for ; Tue, 27 Jul 2021 09:05:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236010AbhG0JFt (ORCPT ); Tue, 27 Jul 2021 05:05:49 -0400 Received: from mailout2.samsung.com ([203.254.224.25]:26212 "EHLO mailout2.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235979AbhG0JFt (ORCPT ); Tue, 27 Jul 2021 05:05:49 -0400 Received: from epcas2p4.samsung.com (unknown [182.195.41.56]) by mailout2.samsung.com (KnoxPortal) with ESMTP id 20210727090547epoutp021f957f6369c515b073c4b0ef4e853a44~VmoezSXjM0132501325epoutp021 for ; Tue, 27 Jul 2021 09:05:47 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 mailout2.samsung.com 20210727090547epoutp021f957f6369c515b073c4b0ef4e853a44~VmoezSXjM0132501325epoutp021 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=samsung.com; s=mail20170921; t=1627376748; bh=/WuErNYG8RX/vIdSPh/L49U9Uu6vOZvO5xzwJUZ9fHg=; h=From:To:Cc:In-Reply-To:Subject:Date:References:From; b=bgvIWnldxLNzuX8ZBnBJqH1AtQ9gEVS/Lf0Y/prqZn1f+hvgZtRjO2AbXYcvsC+jG K7raXOBtPmyvF/ga3fr7dfghUMmbZUh07IS1CBqjiw0WWcS61tkcQjaWiSo5CBFL/R Kg2QRsN2UpBcqqwuEnysrwfGdvMu1e0MATcgu7Ac= Received: from epsnrtp1.localdomain (unknown [182.195.42.162]) by epcas2p4.samsung.com (KnoxPortal) with ESMTP id 20210727090545epcas2p413d5f13b35e7f771e5e6665a3cfbb122~Vmocj9sBN1819418194epcas2p4d; Tue, 27 Jul 2021 09:05:45 +0000 (GMT) Received: from epsmges2p1.samsung.com (unknown [182.195.40.191]) by epsnrtp1.localdomain (Postfix) with ESMTP id 4GYrVc0j0vz4x9Q7; Tue, 27 Jul 2021 09:05:44 +0000 (GMT) Received: from epcas2p1.samsung.com ( [182.195.41.53]) by epsmges2p1.samsung.com (Symantec Messaging Gateway) with SMTP id D0.07.09921.76CCFF06; Tue, 27 Jul 2021 18:05:43 +0900 (KST) Received: from epsmtrp2.samsung.com (unknown [182.195.40.14]) by epcas2p4.samsung.com (KnoxPortal) with ESMTPA id 20210727090542epcas2p4f3287aa373f4438d3a5338123b565838~VmoZqXWZd1822618226epcas2p4a; Tue, 27 Jul 2021 09:05:42 +0000 (GMT) Received: from epsmgms1p1new.samsung.com (unknown [182.195.42.41]) by epsmtrp2.samsung.com (KnoxPortal) with ESMTP id 20210727090542epsmtrp2f3a3154330fd85a79e48630e44020440~VmoZgZhSF1527215272epsmtrp2p; Tue, 27 Jul 2021 09:05:42 +0000 (GMT) X-AuditID: b6c32a45-fb3ff700000026c1-9b-60ffcc678a0a Received: from epsmtip1.samsung.com ( [182.195.34.30]) by epsmgms1p1new.samsung.com (Symantec Messaging Gateway) with SMTP id C0.FF.08394.56CCFF06; Tue, 27 Jul 2021 18:05:42 +0900 (KST) Received: from KORCO039056 (unknown [10.229.8.156]) by epsmtip1.samsung.com (KnoxPortal) with ESMTPA id 20210727090542epsmtip113d6dff106aec4d5940b4445f71380f1~VmoZSSCl60073000730epsmtip1T; Tue, 27 Jul 2021 09:05:42 +0000 (GMT) From: "Chanho Park" To: "'Bean Huo'" , "'Krzysztof Kozlowski'" , "'Alim Akhtar'" , "'James E . J . Bottomley'" , "'Martin K . Petersen'" Cc: "'Can Guo'" , "'Jaegeuk Kim'" , "'Kiwoong Kim'" , "'Avri Altman'" , "'Adrian Hunter'" , "'Christoph Hellwig'" , "'Bart Van Assche'" , "'jongmin jeong'" , "'Gyunghoon Kwon'" , , In-Reply-To: <74e1269acaee8ddd97e9035543753ddbb9645579.camel@gmail.com> Subject: RE: [PATCH v2 14/15] scsi: ufs: ufs-exynos: multi-host configuration for exynosauto Date: Tue, 27 Jul 2021 18:05:41 +0900 Message-ID: <002901d782c6$937ac0f0$ba7042d0$@samsung.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Mailer: Microsoft Outlook 16.0 Thread-Index: AQJIF3zu3g+/Awptn47LJA2vs45sGwKSU/P/Ail7aZYCYLM/dKo8d64Q Content-Language: ko X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFrrPJsWRmVeSWpSXmKPExsWy7bCmqW76mf8JBvNeiFicfLKGzeLBvG1s Fi9/XmWzmPbhJ7PFp/XLWC16djpbnJ6wiMliztkGJosn62cxWyy6sY3JYuU1C4vz5zewW9zc cpTFYsb5fUwW3dd3sFksP/6PyUHA4/IVb4/Lfb1MHjtn3WX32LxCy2PxnpdMHptWdbJ5TFh0 gNHj49NbLB59W1YxenzeJOfRfqCbKYA7KscmIzUxJbVIITUvOT8lMy/dVsk7ON453tTMwFDX 0NLCXEkhLzE31VbJxSdA1y0zB+gbJYWyxJxSoFBAYnGxkr6dTVF+aUmqQkZ+cYmtUmpBSk6B oWGBXnFibnFpXrpecn6ulaGBgZEpUGVCTsa+fU9ZC7YyVyw7doC5gfESUxcjJ4eEgIlEb+8s xi5GLg4hgR2MEv2NfewQzidGiSn777CBVAkJfGOU2PZSAqZj4rxJUEV7GSXutdxmgXBeMEpM Ov8RbC6bgL7Ey45trCC2CEiif7EoiM0scIJZYvIpZhCbU8Bd4tbiu2AbhAXiJC4v38YIYrMI qEps+90DVsMrYCmxqr2RBcIWlDg58wkLxBxtiWULXzNDXKQg8fPpMqhdbhIH2nvZIWpEJGZ3 tjGDHCch0Mwp0TT3DitEg4vEhMa50AAQlnh1fAs7hC0l8fndXjaIhm5GidZH/6ESqxklOht9 IGx7iV/TtwAN4gDaoCmxfpc+iCkhoCxx5BbUbXwSHYf/skOEeSU62oQgGtUlDmyfzgJhy0p0 z/nMOoFRaRaSz2Yh+WwWkg9mIexawMiyilEstaA4Nz212KjAEDmyNzGCU7qW6w7GyW8/6B1i ZOJgPMQowcGsJMLrsOJ3ghBvSmJlVWpRfnxRaU5q8SFGU2BYT2SWEk3OB2aVvJJ4Q1MjMzMD S1MLUzMjCyVxXo24rwlCAumJJanZqakFqUUwfUwcnFINTHNPqThuf5G9TeGCVEvWXvszFWon c27JCHFYPdRn57iU5/TxZ/6XP273Z3Gui5zvnlb36Zb5zkk3nOc+UFqlMrVLPX1umW7HA/6L j/808h5lrXZk7F/CxZr3Xr1Ter5Ec1lFaiLbWv+fbAvn5ns752qyX3lxfKGqbBGPjGmEu6qD USXfhFdnbipdb9HxX1fL3/sgOD6pcuFtP2/P92WJHadj/+de0c5/e+T3wjVe3u/q/TNsqrY9 2bZs7sIi27u1JZ1fdNZ2RuZNvx4nL1ax2kHL4BF/xsXDXuduBrTKOtTErlSsl922uzT7WppL 9QJXHY0tZ5Y0ui9sKC7c/Xe59Ym2G76xz06uZTN9U5KqxFKckWioxVxUnAgAJV3i+nIEAAA= X-Brightmail-Tracker: H4sIAAAAAAAAA02Ra0hTYRjHe885ns2FcHKj3qymzWZmqQl+eMUosduBvgSFkQnuZMdLXlqb 6yaGhba8NouiVo5aeWlaydQ1K5Z3XVazzFJLs9pMi6ZdKJeYsQ3Bb7+H//P788DDxb2fET7c lIxMVpbBpIlIHmFoFQmDE5/OStaP23BkttaQaERjING4o49ElyYdOPpxr8IDFTVuRt0qLYau PcvBkPWeGkfafgOGbr9GyGKp5aCB+nYCXbaYMFT4xkiiys5/WBRF977aQfeWFGN0o3qIQ9dV BdE3H41jtF6XT9IqbROgv9sGCbqkXgfon3ohrWwqxHYujOVtOMCmpRxhZaEbJbzkqdJcQqrD jzWX1GA5wIwVAE8upMJhqeY8pwDwuN7UQwBfD+cQ7mAFHLUbOW7mw/e5bR7upVEAJz7+c9kk FQrHzxpcgYD6AmBXn5J0DjjVg8Oeh1bSrZzCoG30rYdT8aS2w8GbQ6ST+VQc7KitBU4mKDE0 TBfhTvaiIqBOeYpw8yJovmJ1MU6thcUf8sAcV9z4irvv84MOW4WrX0Btg03KYo57RwCv5p/B VYCvnlelnlelnlelnqdcB4QOLGWl8vSkdHmYNCyDPRoiZ9LlioykkIRD6Xrg+njQGiO4r5sM aQEYF7QAyMVFAq+oqmmJt9cB5vgJVnYoXqZIY+UtYBmXEC3x6ikwx3tTSUwmm8qyUlY2l2Jc T58crO2TVviYjNZOiT97TsB10oG8oL3Ty383/G1uLM/z/3Oyq9L/sC8tLgv4sWygWBE6y9z1 3TS15e7YguPPn+RO7VnaMVRq4JSVZ66qs38EqVsNxt6nQzGR12PtTNmEI/sDKcFM/OzFLwyM v7IHP7yCr1fOSFbf4oizAm3Vkl/D1rXdfiMbQiSZeCtxUNzQ+WI9E27/fFqr6tqXF5Nwwajg ozjmPQ0YpluVdS2lzb4zWqg32ft2tY/MjClKVoqrzV+3frPU8MyyrKxKi2nw1VlhpPTdS05+ tWZ58JPZAE3M1eQ7Pj93J5gS+xNvjZ5rCYYPJgJn6y7+tW/ZH7GmQUTIk5mwIFwmZ/4DWZ2Q LmADAAA= X-CMS-MailID: 20210727090542epcas2p4f3287aa373f4438d3a5338123b565838 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: 20210714071200epcas2p3f76e68f6bbb4755574dba2055a8130ab References: <20210714071131.101204-1-chanho61.park@samsung.com> <20210714071131.101204-15-chanho61.park@samsung.com> <74e1269acaee8ddd97e9035543753ddbb9645579.camel@gmail.com> Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org > > + hci_writel(ufs, 0x1, HCI_MH_IID_IN_TASK_TAG); >=20 > Here you meant the IID in the UPIU header will be set according to the > Task_tag=5B7:5=5D value? and this will be done by your HW controller or S= W > driver? >=20 You're right. We can manually set the value of TASK_TAG=5B7:5=5D by S/W but= when the bit is set, a VHID value will be automatically written by H/W con= troller. Best Regards, Chanho Park