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=-4.1 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 4AAB3C433E0 for ; Mon, 27 Jul 2020 06:23:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 101DE20714 for ; Mon, 27 Jul 2020 06:23:05 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=samsung.com header.i=@samsung.com header.b="uGtwyHZK" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726297AbgG0GXE (ORCPT ); Mon, 27 Jul 2020 02:23:04 -0400 Received: from mailout1.samsung.com ([203.254.224.24]:61143 "EHLO mailout1.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726116AbgG0GXE (ORCPT ); Mon, 27 Jul 2020 02:23:04 -0400 Received: from epcas1p2.samsung.com (unknown [182.195.41.46]) by mailout1.samsung.com (KnoxPortal) with ESMTP id 20200727062302epoutp01c5a2f65e0dc76a6f98da47d3de079aaa~lh9K_4v0P1113811138epoutp01j for ; Mon, 27 Jul 2020 06:23:02 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 mailout1.samsung.com 20200727062302epoutp01c5a2f65e0dc76a6f98da47d3de079aaa~lh9K_4v0P1113811138epoutp01j DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=samsung.com; s=mail20170921; t=1595830982; bh=JpORZJFQpljj7zbq7Uq5L0uuPoUohXTIkVippavmwNo=; h=Subject:Reply-To:From:To:CC:In-Reply-To:Date:References:From; b=uGtwyHZKQj25OBa47nm1KPKAWS/DQNA1+E4kYmLoKictdMrWmAgjA7wIt0algacsO /LRPH+uDxtoIfI4fFvo5cY3EGvL6Z7Xdtokrqi4to73VWp1Ie/vitbfROZXDLFhvSf B7wYrtgu8ZmRIw9w/EZkgRUOQgcc6ElIv8bIdtTY= Received: from epcpadp2 (unknown [182.195.40.12]) by epcas1p2.samsung.com (KnoxPortal) with ESMTP id 20200727062301epcas1p2c53b02094f8dd1da5fe76e202aaa895d~lh9Kj5iV33172031720epcas1p2e; Mon, 27 Jul 2020 06:23:01 +0000 (GMT) Mime-Version: 1.0 Subject: Re: [PATCH v6 2/5] scsi: ufs: Add UFS-feature layer Reply-To: daejun7.park@samsung.com From: Daejun Park To: Bart Van Assche , "Martin K. Petersen" , Christoph Hellwig CC: Daejun Park , "avri.altman@wdc.com" , "jejb@linux.ibm.com" , "asutoshd@codeaurora.org" , "beanhuo@micron.com" , "stanley.chu@mediatek.com" , "cang@codeaurora.org" , "tomas.winkler@intel.com" , ALIM AKHTAR , "linux-scsi@vger.kernel.org" , "linux-kernel@vger.kernel.org" , Sang-yoon Oh , Sung-Jun Park , yongmyung lee , Jinyoung CHOI , Adel Choi , BoRam Shin X-Priority: 3 X-Content-Kind-Code: NORMAL In-Reply-To: <7bcf45da-233b-0c38-b93a-99d205603e63@acm.org> X-CPGS-Detection: blocking_info_exchange X-Drm-Type: N,general X-Msg-Generator: Mail X-Msg-Type: PERSONAL X-Reply-Demand: N Message-ID: <963815509.21595830981720.JavaMail.epsvc@epcpadp2> Date: Mon, 27 Jul 2020 15:18:15 +0900 X-CMS-MailID: 20200727061815epcms2p3c85befcefda3bd5f292a32c29d29e000 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="utf-8" X-Sendblock-Type: AUTO_CONFIDENTIAL X-CPGSPASS: Y X-CPGSPASS: Y X-Hop-Count: 3 X-CMS-RootMailID: 20200713103423epcms2p8442ee7cc22395e4a4cedf224f95c45e8 References: <7bcf45da-233b-0c38-b93a-99d205603e63@acm.org> <231786897.01594636801601.JavaMail.epsvc@epcpadp1> <963815509.21594636682161.JavaMail.epsvc@epcpadp2> <231786897.01594637401708.JavaMail.epsvc@epcpadp1> <20200722064112.GB21117@infradead.org> Sender: linux-scsi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org > > I am also not sold on the whole "bus" thing. > > How about implementing HPB as a kernel module that calls the functions > in the UFS core directly, or in other words, get rid completely of the > new ufsf_bus introduced by this patch? OK, I will remove the ufsf_bus and indirect calling functions. Thanks, Daejun