From mboxrd@z Thu Jan 1 00:00:00 1970 From: Matthew Wilcox Date: Fri, 25 Apr 2003 11:36:28 +0000 Subject: Re: [Linux-ia64] [PATCH] 1/4 multi-ioport space support for 2.5 Message-Id: List-Id: References: In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-ia64@vger.kernel.org On Thu, Apr 24, 2003 at 06:05:37PM -0700, Jesse Barnes wrote: > I must be missing something. I understand that you've effectively > created legacy I/O port spaces for each pci controller, but I don't > see how that helps you with a driver that does e.g. inb(0x3e8). What > do you anticipate that your stuff will be used for? That would help > out a bit... Most drivers don't do that any more though. All PCI drivers just read their BARs and do inb() from there. There's no ISA devices on hp's ia64 boxes, so ISA probes aren't an issue. We've been doing something similar on PA for a while (io addresses are 0xBBiiii; the EISA bus if present gets bus 0) with no problems. -- "It's not Hollywood. War is real, war is primarily not about defeat or victory, it is about death. I've seen thousands and thousands of dead bodies. Do you think I want to have an academic debate on this subject?" -- Robert Fisk