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=-2.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, 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 DB425C4320A for ; Mon, 26 Jul 2021 22:06:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C2AAE60F6E for ; Mon, 26 Jul 2021 22:06:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233452AbhGZV02 (ORCPT ); Mon, 26 Jul 2021 17:26:28 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50902 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232875AbhGZV02 (ORCPT ); Mon, 26 Jul 2021 17:26:28 -0400 Received: from mail-ed1-x52a.google.com (mail-ed1-x52a.google.com [IPv6:2a00:1450:4864:20::52a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5776FC061757; Mon, 26 Jul 2021 15:06:55 -0700 (PDT) Received: by mail-ed1-x52a.google.com with SMTP id p21so5504211edi.9; Mon, 26 Jul 2021 15:06:55 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=message-id:subject:from:to:cc:date:in-reply-to:references :user-agent:mime-version:content-transfer-encoding; bh=AJj8nnGd25iP2yGKwO3nNtHXyPTqFZ0evYNG2czor7E=; b=nSJomeVNRbkzexv04pvPtHTzeKY5gOFCV+VgcFUHwbNIDJ2gsh0/+mDlXN6860JsRV wtV5znBYkgy0TJaCBbbVHO2jfvmk3TaA+D4JPVPzuJIG5AXMbSlIVsZJVo76dUJJScep l3bj/UKrIVm9eNYGrSFS76PCS42mfM5ubDXcSw2Fo/64Xw+O4gYd7VuXJLYYpmWXCTP4 8L5EO38F/Y+oO9GA6vl3D3ibyYJDtOYlwbKT0FjPAAGBvdgma/NzJJ4lZ1iRlMFXEJcu QhjlA7br2nhaN1davzgJRX3LBH8nZg9qpAwV6D/XC6rscQPUq2H+t9LFkD3qashe6LPy +SYA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:message-id:subject:from:to:cc:date:in-reply-to :references:user-agent:mime-version:content-transfer-encoding; bh=AJj8nnGd25iP2yGKwO3nNtHXyPTqFZ0evYNG2czor7E=; b=Pxvn5EPGrzvyPTVwggDB9aQDjsGP8tLw7d/MxHeuJeNYzf0J+C8cKXBZioT0kO6dMG XzrRQ1npf/ZKZgtqWngnNjeJ1FBl2OlJzurEhaQyKdOZQyFnpjcS0WkAuqXmsXG1buC6 cEKcIIlYhtC9qj9xJqWguZuaonwJTmyUAEXn56YYoAFucLwzNRbtnCWXECSo4qLieokZ Ibvdy4J+DDjIP2cuae4FRs85mL5XwD22E9AqnMDsT7FCoDRtAm7Mymrls56L9V4n6V+m t3CIB3vI3I4JtaYrP4OLWzM8RftFt9GbaXoQZxpx1ARePlaEsjRYhkeu0lTsA0nWrqv6 +15g== X-Gm-Message-State: AOAM531uwhEG//0L/P7uC4hWP0xxXvmmqTjBXfPMyNoY/mqB+d6aWPSa mEWi+brYlTosJp2rEcudD0Y= X-Google-Smtp-Source: ABdhPJxAI6r1AWlkF47pOuXqmRciaBxyDZROmwNFTR914RljNyMz8jHk5wgwQaja7aXYgMu6VpmY/A== X-Received: by 2002:a05:6402:28a4:: with SMTP id eg36mr3772711edb.84.1627337213254; Mon, 26 Jul 2021 15:06:53 -0700 (PDT) Received: from ubuntu-laptop (ip5f5bec25.dynamic.kabel-deutschland.de. [95.91.236.37]) by smtp.googlemail.com with ESMTPSA id op23sm275930ejb.7.2021.07.26.15.06.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 26 Jul 2021 15:06:53 -0700 (PDT) Message-ID: <74e1269acaee8ddd97e9035543753ddbb9645579.camel@gmail.com> Subject: Re: [PATCH v2 14/15] scsi: ufs: ufs-exynos: multi-host configuration for exynosauto From: Bean Huo To: Chanho Park , 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 , linux-samsung-soc@vger.kernel.org, linux-scsi@vger.kernel.org Date: Tue, 27 Jul 2021 00:06:47 +0200 In-Reply-To: <20210714071131.101204-15-chanho61.park@samsung.com> References: <20210714071131.101204-1-chanho61.park@samsung.com> <20210714071131.101204-15-chanho61.park@samsung.com> Content-Type: text/plain; charset="UTF-8" User-Agent: Evolution 3.36.5-0ubuntu1 MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org On Wed, 2021-07-14 at 16:11 +0900, Chanho Park wrote: > > > +static int exynosauto_ufs_post_hce_enable(struct exynos_ufs *ufs) > > +{ > > + struct ufs_hba *hba = ufs->hba; > > + > > + /* Enable Virtual Host #1 */ > > + ufshcd_rmwl(hba, MHCTRL_EN_VH_MASK, MHCTRL_EN_VH(1), MHCTRL); > > + /* Default VH Transfer permissions */ > > + hci_writel(ufs, 0x03FFE1FE, HCI_MH_ALLOWABLE_TRAN_OF_VH); > > + /* IID information is replaced in TASKTAG[7:5] instead of IID > in UCD */ > > + hci_writel(ufs, 0x1, HCI_MH_IID_IN_TASK_TAG); Here you meant the IID in the UPIU header will be set according to the Task_tag[7:5] value? and this will be done by your HW controller or SW driver? Kind regards, Bean > > + > > + return 0; > > +}