From mboxrd@z Thu Jan 1 00:00:00 1970 From: Arnd Bergmann Subject: Re: [PATCH] ata: libata depends on HAS_DMA Date: Wed, 13 May 2009 12:39:00 +0200 Message-ID: <200905131239.01677.arnd@arndb.de> References: <20090511222702.352192505@arndb.de> <200905121123.21436.arnd@arndb.de> <20090513033027.GA13193@cynthia.pants.nu> Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Return-path: Received: from moutng.kundenserver.de ([212.227.126.171]:53687 "EHLO moutng.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755248AbZEMKja (ORCPT ); Wed, 13 May 2009 06:39:30 -0400 In-Reply-To: <20090513033027.GA13193@cynthia.pants.nu> Content-Disposition: inline Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Brad Boyer Cc: Alan Cox , linux-kernel@vger.kernel.org, Jeff Garzik , linux-ide@vger.kernel.org, takata@linux-m32r.org, geert@linux-m68k.org, linux-m68k@lists.linux-m68k.org, ysato@users.sourceforge.jp On Wednesday 13 May 2009, Brad Boyer wrote: > If I'm reading the m68k code correctly, SUN3 is the one that doesn't have > DMA. It is implemented on any m68k with a standard Motorola MMU. It might > be possible to get the DMA code working on a sun3, but I doubt they ever > have IDE hardware. Yes, that's right, I misread the Kconfig logic. In m68nommu, there are also Dragonball and MC68360 that are supported but don't support the DMA API right now. Is that a real limitation, or could those potentially have ATA ports? Arnd <><