From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752096AbbE0TgH (ORCPT ); Wed, 27 May 2015 15:36:07 -0400 Received: from smtp09.smtpout.orange.fr ([80.12.242.131]:22788 "EHLO smtp.smtpout.orange.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751899AbbE0TgE (ORCPT ); Wed, 27 May 2015 15:36:04 -0400 X-ME-Helo: belgarion X-ME-Auth: amFyem1pay5yb2JlcnRAb3JhbmdlLmZy X-ME-Date: Wed, 27 May 2015 21:36:02 +0200 X-ME-IP: 109.222.248.120 From: Robert Jarzmik To: Paul Bolle Cc: Vinod Koul , Jonathan Corbet , Daniel Mack , Haojian Zhuang , dmaengine@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH v4 3/5] dmaengine: pxa: add pxa dmaengine driver References: <1432589362-23241-1-git-send-email-robert.jarzmik@free.fr> <1432589362-23241-3-git-send-email-robert.jarzmik@free.fr> <1432625314.27695.200.camel@x220> <87siaizguz.fsf@belgarion.home> <1432709723.27695.210.camel@x220> X-URL: http://belgarath.falguerolles.org/ Date: Wed, 27 May 2015 21:34:36 +0200 In-Reply-To: <1432709723.27695.210.camel@x220> (Paul Bolle's message of "Wed, 27 May 2015 08:55:23 +0200") Message-ID: <87k2vtzuer.fsf@belgarion.home> User-Agent: Gnus/5.130008 (Ma Gnus v0.8) Emacs/24.4 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Paul Bolle writes: > On Wed, 2015-05-27 at 08:15 +0200, Robert Jarzmik wrote: >> Paul Bolle writes: >> > Was it actually intended for PXA_DMA to be tristate? >> It is designed to be a module, and in the "end" it will be a module. >> >> What is important to understand is the 3 phases which are going to happen : >> - phase 1 : state after this is merged >> pxa_dma must be builtin, for legacy support (see >> pxad_toggle_reserved_channel()). >> - phase 2 : slowly, all the pxa drivers are converted to dmaengine >> - phase 3 : after full conversion, the patch "add support for legacy >> transition" is reverted. >> There pxa_dma will become modular, and the tristate will appear. >> >> In conclusion, it cannot be a module yet, but it will in the future. > > Thanks for this explanation. So I didn't miss a comment or some remark > in a commit explanation, did I? Unfortunately not ;) Cheers. -- Robert