From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Phil Endecott" Subject: Re: Slow boot due perhaps to locks in mouse and platform system Date: Wed, 15 Oct 2008 10:19:28 +0100 Message-ID: <1224062368151@dmwebmail.dmwebmail.chezphil.org> References: <20081014222222.4260fa48@infradead.org> Mime-Version: 1.0 Content-Type: text/plain; format="flowed" Return-path: Received: from japan.chezphil.org ([77.240.5.4]:3568 "EHLO japan.chezphil.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751030AbYJOJTa (ORCPT ); Wed, 15 Oct 2008 05:19:30 -0400 Received: from localhost ([127.0.0.1] helo=chezphil.org) by japan.chezphil.org with esmtp (Exim 4.69) (envelope-from ) id 1Kq2XQ-00014L-ST for linux-input@vger.kernel.org; Wed, 15 Oct 2008 10:19:28 +0100 In-Reply-To: <20081014222222.4260fa48@infradead.org> Sender: linux-input-owner@vger.kernel.org List-Id: linux-input@vger.kernel.org To: Arjan van de Ven Cc: linux-input Arjan van de Ven wrote: > On Wed, 15 Oct 2008 00:17:29 +0100 > "Phil Endecott" wrote: > >> >> It looks to me as if uhci holds some lock that 8250 needs before it >> can complete. Now those are both PCI drivers in the same way that >> the last two that seemed to contend were both input drivers (touchpad >> and speaker) [hmm, except that as Dmitry pointed out there's a >> distinction between the platform bus and the serio bus]. Anyway, my >> ignorant suspicion is that there's some lock related to the bus or >> subsystem that they both need. Maybe something in sysfs? > > it does do this. And I know which lock... and I fixed it ;) > Just the patch for this is in Gregkh's tree since it's a change to the > device/sysfs layer and he wanted to carry it via that way. > > I can dig that patch out if you want Yes please! Phil.