From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Brownell Subject: Re: [PATCH v4 4/6] dmaengine: Make DMA Engine menu visible for AVR32 users Date: Fri, 27 Jun 2008 11:24:42 -0700 Message-ID: <200806271124.42783.david-b@pacbell.net> References: <1214486603-23655-1-git-send-email-haavard.skinnemoen@atmel.com> <200806270937.21850.david-b@pacbell.net> <20080627174441.GB4306@cs181140183.pp.htv.fi> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20080627174441.GB4306@cs181140183.pp.htv.fi> Content-Disposition: inline Sender: linux-embedded-owner@vger.kernel.org List-ID: Content-Type: text/plain; charset="us-ascii" To: Adrian Bunk Cc: Dan Williams , Haavard Skinnemoen , Pierre Ossman , linux-kernel@vger.kernel.org, linux-embedded@vger.kernel.org, kernel@avr32linux.org, "Nelson, Shannon" On Friday 27 June 2008, Adrian Bunk wrote: > The only effect of the HAVE_DMA_ENGINE would be to not show an empty > kconfig menu. Well, no. It would also make the network layer memcpy "acceleration" option unavailable when there was no underlying engine ... similarly with other pointless "we don't have that subsystem here" options. Plus it would help ensure that the arch dependencies are comprehenible, unlike that highmem thing.