From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <linux-kernel-owner@vger.kernel.org>
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
	id S1753503AbbJaMy1 (ORCPT <rfc822;w@1wt.eu>);
	Sat, 31 Oct 2015 08:54:27 -0400
Received: from smtp.codeaurora.org ([198.145.29.96]:41799 "EHLO
	smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
	with ESMTP id S1753307AbbJaMxp (ORCPT
	<rfc822;linux-kernel@vger.kernel.org>);
	Sat, 31 Oct 2015 08:53:45 -0400
Subject: Re: [PATCH 1/2] dma: add Qualcomm Technologies HIDMA management
 driver
To: Sinan Kaya <okaya@codeaurora.org>, Arnd Bergmann <arnd@arndb.de>
Cc: dmaengine@vger.kernel.org, cov@codeaurora.org, jcm@redhat.com,
        Rob Herring <robh+dt@kernel.org>, Pawel Moll <pawel.moll@arm.com>,
        Mark Rutland <mark.rutland@arm.com>,
        Ian Campbell <ijc+devicetree@hellion.org.uk>,
        Kumar Gala <galak@codeaurora.org>, Vinod Koul <vinod.koul@intel.com>,
        Dan Williams <dan.j.williams@intel.com>, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org
References: <1446174501-8870-1-git-send-email-okaya@codeaurora.org>
 <4548985.gMZJhM3R1p@wuerfel> <56346502.5070600@codeaurora.org>
From: Timur Tabi <timur@codeaurora.org>
Message-ID: <5634B9D6.7090604@codeaurora.org>
Date: Sat, 31 Oct 2015 07:53:42 -0500
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:41.0)
 Gecko/20100101 Firefox/41.0 SeaMonkey/2.38
MIME-Version: 1.0
In-Reply-To: <56346502.5070600@codeaurora.org>
Content-Type: text/plain; charset=windows-1252; format=flowed
Content-Transfer-Encoding: 7bit
Sender: linux-kernel-owner@vger.kernel.org
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

Sinan Kaya wrote:
>
> I expect this driver to grow in functionality over time. Right now, it
> does the global init for the DMA. After that all channels execute on
> their own without depending on each other. Global init has to be done
> first before attempting to do any channel initialization.
>
> There is also implied startup ordering requirements. I was doing this by
> using channel driver with the late binding to guarantee that.
>
> As soon as I use module_platform_driver, the ordering gets reversed for
> some reason.


-- 
Sent by an employee of the Qualcomm Innovation Center, Inc.
The Qualcomm Innovation Center, Inc. is a member of the
Code Aurora Forum, hosted by The Linux Foundation.