From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261936AbTILXPS (ORCPT ); Fri, 12 Sep 2003 19:15:18 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261938AbTILXPR (ORCPT ); Fri, 12 Sep 2003 19:15:17 -0400 Received: from pc1-cwma1-5-cust4.swan.cable.ntl.com ([80.5.120.4]:7834 "EHLO dhcp23.swansea.linux.org.uk") by vger.kernel.org with ESMTP id S261936AbTILXPO (ORCPT ); Fri, 12 Sep 2003 19:15:14 -0400 Subject: Re: (kconfig) IDE DMA dependencies From: Alan Cox To: Hollis Blanchard Cc: Linux Kernel Mailing List In-Reply-To: <8B61CFDE-E575-11D7-AC00-000A95A0560C@us.ibm.com> References: <8B61CFDE-E575-11D7-AC00-000A95A0560C@us.ibm.com> Content-Type: text/plain Content-Transfer-Encoding: 7bit Message-Id: <1063408432.6736.0.camel@dhcp23.swansea.linux.org.uk> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.4.4 (1.4.4-5) Date: Sat, 13 Sep 2003 00:13:53 +0100 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Sad, 2003-09-13 at 00:05, Hollis Blanchard wrote: > drivers/built-in.o(.text+0x39f90): In function `init_dma_generic': > drivers/ide/pci/generic.c:77: undefined reference to `ide_setup_dma' > drivers/built-in.o(.text+0x4a7e8): In function `ide_hwif_setup_dma': > drivers/ide/setup-pci.c:511: undefined reference to `ide_setup_dma' > > Even if it is stubbed correctly though, don't we want DMA (i.e. it's > safe) with most of those drivers? Thats up to the user. Removing the DMA support makes no real difference for many devices (eg CF cards) but saves a chunk of RAM