Received: by 2002:ac0:946b:0:0:0:0:0 with SMTP id j40csp2719019imj; Mon, 18 Feb 2019 10:52:48 -0800 (PST) X-Google-Smtp-Source: AHgI3IZiuH8527WJL0EJ3q1ThuoOwgI83Nma0uSANmDBZWuxz5L9csNjnrsq2VdkuC6vEdeMw98s X-Received: by 2002:a17:902:2aaa:: with SMTP id j39mr27196011plb.335.1550515968025; Mon, 18 Feb 2019 10:52:48 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1550515968; cv=none; d=google.com; s=arc-20160816; b=cxe4EkDlhqnzYrBAD90aFgqU0PB0wliROQaNDdTdAJdmSfCD1XzEwc7m4rz+VrVuDW 6dWmXFQpOcba2+g0gnwVJhYWm4cvH2KC03n2jQGiT/qyzxIturHS1vbO2LD4Go0uj/rH kaY604WncQdhCrR8/T12UI2V54dkGsF8kw37qcAMzobVpI17btD+L6jwIT0mMJZqjezC hTKLCGtycsGCIcpEHkdRtO75N9mYtx4+GZBaP7YYYWaS4S0pJVGNF+UJyd1i92+rbEAo tNtCy9MazXkT8PKSc+0zB/FUa1apx6CcVyF5LxBgJfct3JtHt4VGrOPnNrCzhsgGm1B5 yBmw== 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-disposition:mime-version:references:message-id:subject:cc :to:from:date; bh=2Xq+Sf+yeYp/Is5zjStFPYyGRdDw+SSgITd7cDZ+zBA=; b=X5R1S1ZvtNvHQD54DzssOtyWlwK81dwMHdQX79PLr7kQoURwuYBTm0F1id8ZawTcox X4vaBgblfWH7S3lCp5/jnY1swqu919iODNJKSVT+c3Zi9N2PU7c1o4aYNwOOacCfu1Ym A89F0N1F8Sfv0eXHZ3MRkRYdvgAorlt1L0vjFV+LdM27Vf7nN0qpdC/92Tv7oJqVq36F 49o/43lHkmw+6Czk1aK5/R14QfOAc+kASehbEVKNAqcgWULkWwyiz5whtL63+kjjnT8g 4Uomn8T4S+eIIumKLIMvN4zc1xkEz6ECtJYaXOkaRZzoNTNLu2pZ3PxSK+J71uWjYdCo faAA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id q202si13792537pgq.194.2019.02.18.10.52.32; Mon, 18 Feb 2019 10:52:48 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1733010AbfBRQUh (ORCPT + 99 others); Mon, 18 Feb 2019 11:20:37 -0500 Received: from muru.com ([72.249.23.125]:39270 "EHLO muru.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730659AbfBRQUh (ORCPT ); Mon, 18 Feb 2019 11:20:37 -0500 Received: from atomide.com (localhost [127.0.0.1]) by muru.com (Postfix) with ESMTPS id 8BC8480E4; Mon, 18 Feb 2019 16:20:46 +0000 (UTC) Date: Mon, 18 Feb 2019 08:20:33 -0800 From: Tony Lindgren To: Faiz Abbas Cc: linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-mmc@vger.kernel.org, linux-omap@vger.kernel.org, ulf.hansson@linaro.org, robh+dt@kernel.org, mark.rutland@arm.com, adrian.hunter@intel.com, kishon@ti.com, zhang.chunyan@linaro.org Subject: Re: [PATCH v2 3/8] dt-bindings: sdhci-omap: Add properties for using external dma Message-ID: <20190218162033.GF15711@atomide.com> 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> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <2aa0f7e4-c880-ee88-2e88-dc2c3187f0c9@ti.com> User-Agent: Mutt/1.11.2 (2019-01-07) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Faiz Abbas [190218 13:38]: > 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. OK thanks. Tony