Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754537AbZAENl1 (ORCPT ); Mon, 5 Jan 2009 08:41:27 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751567AbZAENlR (ORCPT ); Mon, 5 Jan 2009 08:41:17 -0500 Received: from nf-out-0910.google.com ([64.233.182.186]:2510 "EHLO nf-out-0910.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751199AbZAENlQ (ORCPT ); Mon, 5 Jan 2009 08:41:16 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:user-agent:mime-version:to:cc:subject :x-enigmail-version:content-type:content-transfer-encoding; b=j4E0aL50fJWPlpIxFh7cDVvwPdOEzX1NHa5IF5bGRaJP40h/P6YFuaDLxTobakKG1G iuj916EVAicCTHm8qyWCQpWSqbXfulYMziH3HTHL+Xi8eQSdg/nnxznjz/FHxSxFuitc 93y16e/bSBq1ib9ENnwBpScZWTefR7fwKbg34= Message-ID: <49620DF7.9040006@gmail.com> Date: Mon, 05 Jan 2009 14:41:11 +0100 From: Jiri Slaby User-Agent: Thunderbird 2.0.0.19 (X11/20081227) MIME-Version: 1.0 To: David Brownell CC: USB list , Linux Kernel Mailing List , Alan Stern Subject: quirk_usb_disable_ehci takes 2x 1.5s on boot X-Enigmail-Version: 0.95.6 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 712 Lines: 21 Hi, I don't know since which moment (maybe I changed something in bios, but usb legacy kbd was ever enabled), but quirk_usb_disable_ehci takes for both of my ehci controllers 1.5 s. More precisely, the time is spent in pci_write_config_byte(pdev, offset + 3, 1); by outb((u8)value, 0xCFC + (reg & 3)); from pci_conf1_write deep in the callstack. Is there any workaround known or something. Turning legacy usb off is not an option, I want to control grub. Thanks. -- 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/