From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dmitry Torokhov Subject: Re: [git pull] Input updates for 2.6.34-rc6 Date: Thu, 13 May 2010 11:10:02 -0700 Message-ID: <20100513181002.GB23708@core.coreip.homeip.net> References: <20100513075728.GF30110@core.coreip.homeip.net> <20100513160117.GB22238@core.coreip.homeip.net> <20100513171639.GA23708@core.coreip.homeip.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from mail-pz0-f204.google.com ([209.85.222.204]:50597 "EHLO mail-pz0-f204.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752780Ab0EMSKM (ORCPT ); Thu, 13 May 2010 14:10:12 -0400 Content-Disposition: inline In-Reply-To: Sender: linux-input-owner@vger.kernel.org List-Id: linux-input@vger.kernel.org To: Linus Torvalds Cc: Andrew Morton , Linux Kernel Mailing List , linux-input@vger.kernel.org, Bastien Nocera On Thu, May 13, 2010 at 10:30:23AM -0700, Linus Torvalds wrote: > > > On Thu, 13 May 2010, Dmitry Torokhov wrote: > > > > I think on the newer hardware PNP (or rather ACPI mapped onto PNP) usually > > matches the reality. > > Dmitry, you're just making things up. > > I have in front of me a Core i5-670. You can't get much newer than that. > And yes, it has a PS/2 connector at the back. And lookie here: > > [ 1.756777] PNP: No PS/2 controller found. Probing ports directly. > [ 1.760645] serio: i8042 KBD port at 0x60,0x64 irq 1 > [ 1.762087] serio: i8042 AUX port at 0x60,0x64 irq 12 > [ 1.763591] mice: PS/2 mouse device common for all mice > You don't have anything plugged into the ports though, do you? I wonder what your DSDT looks like. > so let it go. You're wrong. PS/2 is a legacy device, and exactly like the > legacy IO memory region in 0xa000-0xffff (or the motherboard IO port > region 0x00-0xff) it may not be mentioned by the BIOS tables. But it's > still there. > > This is also why I think it _would_ be acceptable to say that if you boot > from EFI, you have to find the PnP devices. The whole (and only, as far as > I know) point of EFI was that "legacy-free" thing. Is there an interface a driver can use to query the style of boot used? -- Dmitry