From mboxrd@z Thu Jan 1 00:00:00 1970 From: ambx1-IBH0VoN/3vPQT0dZR+AlfA@public.gmane.org (Adam Belay) Subject: Re: ACPI_BUS dependency for CONFIG_PNP Date: Tue, 16 Nov 2004 00:41:07 -0500 Message-ID: <20041116054107.GE29574@neo.rr.com> References: <20041115114654.GJ1662@wotan.suse.de> <1100536966.5518.947.camel@d845pe> <20041115173525.GD13402@wotan.suse.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <20041115173525.GD13402-B4tOwbsTzaBolqkO4TVVkw@public.gmane.org> Sender: acpi-devel-admin-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Errors-To: acpi-devel-admin-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , List-Archive: To: Andi Kleen Cc: Len Brown , ACPI Developers , Shaohua Li , Adam Belay List-Id: linux-acpi@vger.kernel.org On Mon, Nov 15, 2004 at 06:35:25PM +0100, Andi Kleen wrote: > On Mon, Nov 15, 2004 at 11:42:47AM -0500, Brown, Len wrote: > > On Mon, 2004-11-15 at 06:46, Andi Kleen wrote: > > > 2.6.10rc2 got this new dependency: > > > > > > config PNP > > > bool "Plug and Play support" > > > depends on ISA || ACPI_BUS > > > > > > from the ACPI update. This enables ISA-PNP on x86-64, where > > > it was always disabled previously and is completely useless. Can > > > someone > > > explain the rationale behind that change? IMHO you should never use > > > ISA-PNP without CONFIG_ISA. > > > > Linux PNP handles up to 3 protocols: > > ISAPNP -- useful only if CONFIG_ISA, independent of PNPBIOS and PNPACPI > > PNPBIOS -- useful only if acpi_disabled > > PNPACPI -- useful if !acpi_disabled > > Useful for what? As far as I know no device on x86-64 needs PNPBIOS > or PNPACPI Most x86-64 hardware still utilizes ACPI for certain devices. > > > > > drivers/pnp/isapnp/Kconfig appears to already have the dependency you're > > looking for to make sure that ISAPNP is not defined without CONFIG_ISA: > > > > config ISAPNP > > bool "ISA Plug and Play support" > > depends on PNP && ISA > > > > Perhaps. But it doesn't work. In which way doesn't it work? It seems to pretty clearly require ISA support. Is there a bug? Thanks, Adam ------------------------------------------------------- This SF.Net email is sponsored by: InterSystems CACHE FREE OODBMS DOWNLOAD - A multidimensional database that combines robust object and relational technologies, making it a perfect match for Java, C++,COM, XML, ODBC and JDBC. www.intersystems.com/match8