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=-1.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS autolearn=ham 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 F34DCC0044C for ; Wed, 7 Nov 2018 17:30:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B968C20862 for ; Wed, 7 Nov 2018 17:30:45 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=synopsys.com header.i=@synopsys.com header.b="Bt/dqyEZ" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B968C20862 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=synopsys.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731485AbeKHDCG (ORCPT ); Wed, 7 Nov 2018 22:02:06 -0500 Received: from smtprelay2.synopsys.com ([198.182.60.111]:41760 "EHLO smtprelay.synopsys.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727859AbeKHDCF (ORCPT ); Wed, 7 Nov 2018 22:02:05 -0500 Received: from mailhost.synopsys.com (mailhost3.synopsys.com [10.12.238.238]) by smtprelay.synopsys.com (Postfix) with ESMTP id B470710C07D2; Wed, 7 Nov 2018 09:30:41 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=synopsys.com; s=mail; t=1541611843; bh=xdJNds76opZdu7+EfNJboBfzvYozz5e2lRkCFOVGR90=; h=Subject:To:CC:References:From:Date:In-Reply-To:From; b=Bt/dqyEZkJMH5TQw6njJutjKpZjRv/fRBWTl/jsoh45uG2Yf9aNmQrSs97iPhvr9A r3CarCfBikYdt/ox3C8yFr+YMEIVBSEP818NUL5SAj0hYbjK4pFmZW0k2j6sKkEWkP 4tsVaZLtFnsVujaCsqEMYilf8Z1D4u7MpmVg5y6O1Or/M+c9y2eQsVjYXVLrtguLh8 V7wEtr5qMuDpKL3GG72NmTcl05O7pdZrUUTBh8zu61xExM7RxA/j4t+//gdT8a5atc nf+C2ZePl3jXgRt49YwtVx3tG13o1zCsUxhJU7VDo2caN8AkPHOEhhfP3+qpPeVy+m MrnczsIxp4loA== Received: from US01WXQAHTC1.internal.synopsys.com (us01wxqahtc1.internal.synopsys.com [10.12.238.230]) by mailhost.synopsys.com (Postfix) with ESMTP id DA25032E9; Wed, 7 Nov 2018 09:30:40 -0800 (PST) Received: from DE02WEHTCA.internal.synopsys.com (10.225.19.92) by US01WXQAHTC1.internal.synopsys.com (10.12.238.230) with Microsoft SMTP Server (TLS) id 14.3.408.0; Wed, 7 Nov 2018 09:30:40 -0800 Received: from DE02WEHTCB.internal.synopsys.com (10.225.19.94) by DE02WEHTCA.internal.synopsys.com (10.225.19.92) with Microsoft SMTP Server (TLS) id 14.3.408.0; Wed, 7 Nov 2018 18:30:38 +0100 Received: from [10.0.2.15] (10.107.19.141) by DE02WEHTCB.internal.synopsys.com (10.225.19.80) with Microsoft SMTP Server (TLS) id 14.3.408.0; Wed, 7 Nov 2018 18:30:38 +0100 Subject: Re: [PATCH 1/3] i3c: master: Add driver for Synopsys DesignWare IP To: Matthew Wilcox , Vitor soares CC: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , References: <1540807618-13246-1-git-send-email-soares@synopsys.com> <1540807618-13246-2-git-send-email-soares@synopsys.com> <20181107170553.GJ3074@bombadil.infradead.org> From: vitor Message-ID: Date: Wed, 7 Nov 2018 17:30:22 +0000 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.2.1 MIME-Version: 1.0 In-Reply-To: <20181107170553.GJ3074@bombadil.infradead.org> Content-Type: text/plain; charset="utf-8"; format=flowed Content-Transfer-Encoding: 7bit Content-Language: en-US X-Originating-IP: [10.107.19.141] Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Matthew, On 07/11/18 17:05, Matthew Wilcox wrote: > On Mon, Oct 29, 2018 at 10:06:56AM +0000, Vitor soares wrote: >> Add driver for Synopsys DesignWare I3C master IP > The so-called "data sheet" (actually just an advertising brochure) The datasheet is there to download. > on your website claims DMA support. I don't see that support > anywhere in this driver. > Right now the driver does not support DMA interface which will be added later as the other missed I3C features. What do you suggest to avoid this misunderstanding? Best regards, Vitor Soares