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=-1.2 required=3.0 tests=DKIMWL_WL_HIGH,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 E3330C43381 for ; Tue, 19 Feb 2019 13:29:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A08D42177E for ; Tue, 19 Feb 2019 13:29:38 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b="uBUgbLJF" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728677AbfBSN3h (ORCPT ); Tue, 19 Feb 2019 08:29:37 -0500 Received: from fllv0016.ext.ti.com ([198.47.19.142]:46176 "EHLO fllv0016.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727529AbfBSN3g (ORCPT ); Tue, 19 Feb 2019 08:29:36 -0500 Received: from lelv0265.itg.ti.com ([10.180.67.224]) by fllv0016.ext.ti.com (8.15.2/8.15.2) with ESMTP id x1JDTT6r019821; Tue, 19 Feb 2019 07:29:29 -0600 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1550582969; bh=uSGLcLw3WfmS6I3OUZlPZEpTLAZgMO53rkcKc2hmCdw=; h=Subject:To:CC:References:From:Date:In-Reply-To; b=uBUgbLJFqpantoRc+rYp3CI9XDTXr/oBc0ZkL3aUsU3XdNrH8Lq4NZ6whfPbwUTEh sBs8e4TBX+m4aJNhUQ38rQrS+QCCdKTn4BooDC7rdBqMfLWxx3ahAwcGVoH7b7OPy/ Q8PlOJufePbLX5IG0Sz0J4pvM7vnbiM0ExislQ6E= Received: from DLEE105.ent.ti.com (dlee105.ent.ti.com [157.170.170.35]) by lelv0265.itg.ti.com (8.15.2/8.15.2) with ESMTPS id x1JDTThN124776 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Tue, 19 Feb 2019 07:29:29 -0600 Received: from DLEE115.ent.ti.com (157.170.170.26) by DLEE105.ent.ti.com (157.170.170.35) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1591.10; Tue, 19 Feb 2019 07:29:28 -0600 Received: from dlep32.itg.ti.com (157.170.170.100) by DLEE115.ent.ti.com (157.170.170.26) with Microsoft SMTP Server (version=TLS1_0, cipher=TLS_RSA_WITH_AES_256_CBC_SHA) id 15.1.1591.10 via Frontend Transport; Tue, 19 Feb 2019 07:29:28 -0600 Received: from [172.24.190.215] (ileax41-snat.itg.ti.com [10.172.224.153]) by dlep32.itg.ti.com (8.14.3/8.13.8) with ESMTP id x1JDTPIU031945; Tue, 19 Feb 2019 07:29:25 -0600 Subject: Re: [PATCH v2 3/8] dt-bindings: sdhci-omap: Add properties for using external dma To: Rob Herring CC: Tony Lindgren , , , , , , , , , References: <20190215192033.24203-1-faiz_abbas@ti.com> <20190215192033.24203-4-faiz_abbas@ti.com> <20190215200718.GB15711@atomide.com> <2aa0f7e4-c880-ee88-2e88-dc2c3187f0c9@ti.com> <20190218201240.GA14067@bogus> From: Faiz Abbas Message-ID: <60f2cc85-90dc-a15e-78bb-385213ca53c4@ti.com> Date: Tue, 19 Feb 2019 19:02:40 +0530 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.4.0 MIME-Version: 1.0 In-Reply-To: <20190218201240.GA14067@bogus> Content-Type: text/plain; charset="utf-8" Content-Language: en-US Content-Transfer-Encoding: 7bit X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Rob, On 19/02/19 1:42 AM, Rob Herring wrote: > On Mon, Feb 18, 2019 at 07:11:32PM +0530, Faiz Abbas wrote: >> Hi Tony, >> >> On 16/02/19 1:37 AM, Tony Lindgren wrote: >>> * Faiz Abbas [190215 19:18]: >>>> From: Chunyan Zhang >>>> >>>> sdhci-omap can support both external dma controller via dmaengine >>>> framework as well as ADMA which standard SD host controller >>>> provides. >>> >>> Care to describe here also how to configure things for ADMA and >>> instead of DMA? Just leave out dmas property? >>> >> >> That's correct. If dmas property is populated, then use external DMA. >> Otherwise use ADMA/SDMA depending on what you read from the CAPS register. > > Then the properties should be optional. > Will move it to optional in v3. Thanks, Faiz