From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753487AbbJGKoI (ORCPT ); Wed, 7 Oct 2015 06:44:08 -0400 Received: from comal.ext.ti.com ([198.47.26.152]:43467 "EHLO comal.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751222AbbJGKoF (ORCPT ); Wed, 7 Oct 2015 06:44:05 -0400 Subject: Re: [PATCH v4 00/25] dmaengine/ARM: Merge the edma drivers into one To: Peter Ujfalusi , , References: <1443088932-21731-1-git-send-email-peter.ujfalusi@ti.com> CC: , , , , , From: Sekhar Nori Message-ID: <5614F74B.206@ti.com> Date: Wed, 7 Oct 2015 16:13:23 +0530 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.2.0 MIME-Version: 1.0 In-Reply-To: <1443088932-21731-1-git-send-email-peter.ujfalusi@ti.com> Content-Type: text/plain; charset="windows-1252" Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thursday 24 September 2015 03:31 PM, Peter Ujfalusi wrote: > with this series the edma two driver setup will be changed to have only one > driver to support eDMA3. The legacy edma interface will be removed and eDMA can > only be used via dmaengine API from this point on. > In order to do the merge the following improvements has been done: > - One driver instance per eDMA: > - Any number of eDMA instances are supported (both legacy and DT boot) > - Not relying on global variables, arrays, etc > - Code simplification and optimizations in several places > > This change will also help us to do bigger changes in the eDMA driver since, > since now we have only one driver to work with. > > The series has been tested on: > da850-evm (OMAP-L138) > - with legacy and DT boot (both eDMA0 and eDMA1 is enabled) > - In code swapping the eDMA instances in legacy mode to make sure the second > instance is handled correctly. > > am335x-evmsk > - DT boot > > I think this series could go via the dmaengine tree. Changes are trivial under > arch/arm/ I tested this series on DM6446 EVM using MMC/SD as EDMA client. It worked well. For the arch/arm/mach-davinci parts, please add Acked-by: Sekhar Nori Vinod, if you prefer me replying with acks on individual patches, I can do that too. Regards, Sekhar