linux-kernel - Re: [PATCH v4 4/6] dmaengine: Make DMA Engine menu visible for AVR32 users

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Message-Id: <200806271124.42783.david-b@pacbell.net>
Date:	Fri, 27 Jun 2008 11:24:42 -0700
From:	David Brownell <david-b@...bell.net>
To:	Adrian Bunk <bunk@...nel.org>
Cc:	Dan Williams <dan.j.williams@...el.com>,
	Haavard Skinnemoen <haavard.skinnemoen@...el.com>,
	Pierre Ossman <drzeus-list@...eus.cx>,
	linux-kernel@...r.kernel.org, linux-embedded@...r.kernel.org,
	kernel@...32linux.org, "Nelson, Shannon" <shannon.nelson@...el.com>
Subject: Re: [PATCH v4 4/6] dmaengine: Make DMA Engine menu visible for AVR32 users

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.

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