Received: by 2002:a25:ca44:0:0:0:0:0 with SMTP id a65csp364308ybg; Tue, 28 Jul 2020 07:59:31 -0700 (PDT) X-Google-Smtp-Source: ABdhPJzVaRfY4j0V/fenRQx4TsLDZEmehlXgJpIBEx2XjT/k+g82dL5vdWRbf9D5Z4mFTtCceiSW X-Received: by 2002:a17:906:1104:: with SMTP id h4mr16721261eja.456.1595948370708; Tue, 28 Jul 2020 07:59:30 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1595948370; cv=none; d=google.com; s=arc-20160816; b=v2Baj/FVUhkKTi0hEoPMGtWejLQsHyRP6gX8LZs7cCr2NHf7Nr41Boh7d8d8dxgD8b cR4605lPU5awBys83TXLuieAEZLnmMjwUANPB1DFhB/xkMy74a8Hfi7tqpG2t4AA1K16 mTa5FDuMbGWM/uPvzwFuFEoVhDSOs36KNP2pcc3aFnfG6+rF2CgpNuVE7AcrgJrOHzTP eprl/ZRACf4JYqwXdCmAotUDnO0gClSwAIu4QWDVz9Bl20G0717nZbBfPXa3eekFliKg UUcKrXm9xCAfMyCboDqN/m3gNxJF9GdhPdMG92Bd5z4O/GSTTJymfYkuKwJ2g4zoCDai 5HMg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-transfer-encoding:content-disposition:mime-version :references:message-id:subject:cc:to:from:date; bh=20Nkvn86GJuNtxmKC/LraUbyNHYa0ELjqIgrzLQ4zFI=; b=lChFxcwTvkGSPaaeP49SWmijLotcTsq+IwDtMXNbndnx28CbGUlZDgDo+9JJGNpgZX KOKrShtk3KsTdKNJvP2ong0cyWV+tRzyW1Q7ATWujZfbhphXTNoVU65/plG2JBGXr+2E eMqpSA6PgmJtCYIGbUEabu/pyVXoqxX6OmHlEe43VbBOQiVgPVlu4ykL+anulxpheHmW kNgIRTBAzHSoO+3q4M/wYwef5jd/RW0YXAQB/mKSQmUpY6bY+f7+0U6qmlPKBfaVx3tk lmkICJrE30TMHmA+x+Kq+vTqpHpeumyQoicoBF//hB00qwdxAIq+IrES3CuQvPwUnUs8 CREg== ARC-Authentication-Results: i=1; mx.google.com; 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 Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id cx20si7303446edb.568.2020.07.28.07.59.08; Tue, 28 Jul 2020 07:59:30 -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; 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 S1730542AbgG1O6m (ORCPT + 99 others); Tue, 28 Jul 2020 10:58:42 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40102 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730483AbgG1O6l (ORCPT ); Tue, 28 Jul 2020 10:58:41 -0400 Received: from metis.ext.pengutronix.de (metis.ext.pengutronix.de [IPv6:2001:67c:670:201:290:27ff:fe1d:cc33]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B373AC061794 for ; Tue, 28 Jul 2020 07:58:41 -0700 (PDT) Received: from pty.hi.pengutronix.de ([2001:67c:670:100:1d::c5]) by metis.ext.pengutronix.de with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1k0R3s-0008Kw-CQ; Tue, 28 Jul 2020 16:58:36 +0200 Received: from mfe by pty.hi.pengutronix.de with local (Exim 4.89) (envelope-from ) id 1k0R3p-0005II-Qu; Tue, 28 Jul 2020 16:58:33 +0200 Date: Tue, 28 Jul 2020 16:58:33 +0200 From: Marco Felsch To: Andy Shevchenko Cc: Sandeep Singh , Jiri Kosina , Benjamin Tissoires , Linux Kernel Mailing List , linux-input , Srinivas Pandruvada , Jonathan Cameron , linux-iio , Hans de Goede , "Shah, Nehal-bakulchandra" , Richard Neumann , Shyam-sundar.S-k@amd.com Subject: Re: [PATCH v5 0/4] SFH: Add Support for AMD Sensor Fusion Hub Message-ID: <20200728145833.xc53dpvwu7deqzjw@pengutronix.de> References: <1590759730-32494-1-git-send-email-Sandeep.Singh@amd.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: X-Sent-From: Pengutronix Hildesheim X-URL: http://www.pengutronix.de/ X-IRC: #ptxdist @freenode X-Accept-Language: de,en X-Accept-Content-Type: text/plain X-Uptime: 16:53:55 up 256 days, 6:12, 240 users, load average: 0.19, 0.14, 0.06 User-Agent: NeoMutt/20170113 (1.7.2) X-SA-Exim-Connect-IP: 2001:67c:670:100:1d::c5 X-SA-Exim-Mail-From: mfe@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-kernel@vger.kernel.org Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, On 20-05-29 17:21, Andy Shevchenko wrote: > On Fri, May 29, 2020 at 4:42 PM Sandeep Singh wrote: > > > > From: Sandeep Singh > > > > AMD SFH(Sensor Fusion Hub) is HID based driver.SFH FW > > is part of MP2 processor (MP2 which is an ARM? Cortex-M4 > > core based co-processor to x86) and it runs on MP2 where > > in driver resides on X86.The driver functionalities are > > divided into three parts:- > > > > 1: amd-mp2-pcie:- This module will communicate with MP2 FW and > > provide that data into DRAM. > > 2: Client driver :- This part for driver will use dram data and > > convert that data into HID format based on > > HID reports. > > 3: Transport driver :- This part of driver will communicate with > > HID core. Communication between devices and > > HID core is mostly done via HID reports > > > > In terms of architecture it is much more reassembles like > > ISH(Intel Integrated Sensor Hub). However the major difference > > is all the hid reports are generated as part of kernel driver. > > AMD SFH driver taken reference from ISH in terms of > > design and functionalities at fewer location. > > > > AMD sensor fusion Hub is part of a SOC 17h family based platforms. > > The solution is working well on several OEM products. > > AMD SFH uses HID over PCIe bus. > > > > I can't believe this is fifth version. > Guys, you have to do much more work on these drivers. Is there any active development addressing Andy's comments? Else can we support you to bring these patches mainline? Regards, Marco