Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1762921AbXEPRJk (ORCPT ); Wed, 16 May 2007 13:09:40 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1758688AbXEPRJW (ORCPT ); Wed, 16 May 2007 13:09:22 -0400 Received: from pollux.ds.pg.gda.pl ([153.19.208.7]:4031 "EHLO pollux.ds.pg.gda.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758324AbXEPRJV (ORCPT ); Wed, 16 May 2007 13:09:21 -0400 Date: Wed, 16 May 2007 18:09:14 +0100 (BST) From: "Maciej W. Rozycki" To: Bjorn Helgaas cc: Yinghai Lu , Gerd Hoffmann , Andi Kleen , akpm@linux-foundation.org, Linus Torvalds , "Eric W. Biederman" , linux kernel mailing list Subject: Re: [patch] early printk and boot console fixups. In-Reply-To: <200705160959.12433.bjorn.helgaas@hp.com> Message-ID: References: <45D5C473.4010608@suse.de> <86802c440705152117o34325f1dw4a0cdf95241b3b42@mail.gmail.com> <200705160959.12433.bjorn.helgaas@hp.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1224 Lines: 28 On Wed, 16 May 2007, Bjorn Helgaas wrote: > > for early_uart_console, I have some ideas: > > 1. merged that into early_serial_console in > > arch/x86_64/kernel/early_printk.c, and > > move early_printk.c to kernel/, --- make it understand > > earlyprintk=uart,io,0x3f8,9600n8 > > earlyprintk=uart,mmio,0xff5e0000,115200n8 > > in addition to vga, ttyS, serial > > I would rather try to merge 8250_early and early_printk. > "console=uart,io,0x3f8" is already pretty similar to > "earlyprintk=serial", and it would be nice to have only one. > > "console=uart" does have the disadvantage that you have to know the > port address. But it has the advantage that it doesn't depend on > compiled-in legacy serial port names. If you need early console > output, you're probably a developer and can come up with the address. Given the generic name of "uart" I am assuming this will work with any UART driver making use of the serial_core.c core -- am I correct? Maciej - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/