From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751386AbZJLEgm (ORCPT ); Mon, 12 Oct 2009 00:36:42 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751205AbZJLEgl (ORCPT ); Mon, 12 Oct 2009 00:36:41 -0400 Received: from qw-out-2122.google.com ([74.125.92.26]:7807 "EHLO qw-out-2122.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751124AbZJLEgl (ORCPT ); Mon, 12 Oct 2009 00:36:41 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=from:to:subject:date:user-agent:cc:references:in-reply-to :mime-version:content-type:content-transfer-encoding:message-id; b=tRv6m6gj88TAI1+hMfDbc1R2TfsWtHRsAuSfByeRtyitqicow6KvlQ9Qfvf3wfnhLs JSrw1IZgvzzMt074YBREE0x84gsSf4b1bYyBLPBTz/GHzjK7gCf4b/3Xv8JVBEvOzj0v J4S5JmTNjGLLoyJmspNUQWJzNg/WRocC3xzl8= From: Dmitry Torokhov To: Greg KH Subject: Re: [REGRESSION] "bind" a device to a driver doesn't not work anymore Date: Sun, 11 Oct 2009 21:35:29 -0700 User-Agent: KMail/1.12.1 (Linux/2.6.32-rc3; KDE/4.3.1; x86_64; ; ) Cc: "?ric Piel" , Dmitry Torokhov , Linux Kernel Mailing List , linux-input@vger.kernel.org References: <4AD120F2.3020606@tremplin-utc.net> <20091011030029.GA6526@suse.de> In-Reply-To: <20091011030029.GA6526@suse.de> MIME-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Message-Id: <200910112135.29384.dmitry.torokhov@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Saturday 10 October 2009 08:00:29 pm Greg KH wrote: > On Sun, Oct 11, 2009 at 02:04:02AM +0200, ?ric Piel wrote: > > Hello, > > > > After a suspend, I used to do this (to get the PS2 keyboard working > > again), and it used to work fine: > > echo -n "i8042" > /sys/bus/platform/drivers/i8042/unbind ; sleep 1 ; echo > > -n "i8042" > /sys/bus/platform/drivers/i8042/bind > > > > Unfortunately since 2.6.32-rc1, the unbind works fine, but the bind > > returns a "no such device" error now (and the binding is not done). After > > that, additional unbinds also report the error. I think 2.6.31 worked > > fine. Any idea what's going wrong? > > Odd. Any chance you can run 'git bisect' to figure out which patch > might have caused it? I8042 has been converted to use platform_driver_probe() - we are creating platform device and platform driver together, there is no chance that some other device might be driven by i8042 driver. Eric, do you still need to fiddle with i8042 to get your keyboard working with 2.6.32-rc3? We need to make sure that resube works without users needing to mess with bind/unbind. -- Dmitry