From mboxrd@z Thu Jan 1 00:00:00 1970 From: Arkadiusz Hiler Subject: Re: rmi4 defunct on T460p [was: [git pull] Input updates for v4.15-rc8] Date: Thu, 1 Mar 2018 15:29:59 +0200 Message-ID: <20180301132959.GB27356@ahiler-desk1.ger.corp.intel.com> References: <20180119174205.iq76oggc2h7neymf@dtor-ws> <20180209013916.GA42766@dtor-ws> <6eb210d1-5b1b-d7ad-6188-e632fde2c6f7@suse.cz> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit Return-path: Content-Disposition: inline In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org To: =?utf-8?Q?Marc-Andr=C3=A9?= Lureau Cc: Jiri Slaby , Dmitry Torokhov , open list , linux-input@vger.kernel.org, Greg Kroah-Hartman List-Id: linux-input@vger.kernel.org On Thu, Mar 01, 2018 at 02:22:10PM +0100, Marc-André Lureau wrote: > Hi > > On Tue, Feb 13, 2018 at 9:22 AM, Jiri Slaby wrote: > > On 02/09/2018, 02:39 AM, Dmitry Torokhov wrote: > >> On Thu, Feb 08, 2018 at 11:04:22AM +0100, Jiri Slaby wrote: > >>> On 01/19/2018, 06:42 PM, Dmitry Torokhov wrote: > >>>> Please pull from: > >>>> > >>>> git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input.git for-linus > >>>> > >>>> to receive updates for the input subsystem. You will get: > >>>> > >>> ... > >>>> - touchpad on Lenovo T640p is switched over to SMbus/RMI > >>> ... > >>> > >>>> 王振杰 (1): > >>>> Input: synaptics - Lenovo Thinkpad T460p devices should use RMI > >>> > >>> Hi, > >>> > >>> one of openSUSE users with T460p reports that the touchpad is defunct > >>> after resume in 4.15. psmouse.synaptics_intertouch=0 works around the > >>> problem. > >>> > >>> The problem is: > >>> kernel: rmi4_smbus 8-002c: failed to get SMBus version number! > >>> kernel: rmi4_physical rmi4-00: rmi_driver_reset_handler: Failed to read > >>> current IRQ mask. > >>> kernel: rmi4_f01 rmi4-00.fn01: Failed to restore normal operation: -16. > >>> kernel: rmi4_f01 rmi4-00.fn01: Resume failed with code -16. > >>> kernel: rmi4_physical rmi4-00: Failed to suspend functions: -16 > >>> kernel: rmi4_smbus 8-002c: Failed to resume device: -16 > >>> kernel: rmi4_f03 rmi4-00.fn03: rmi_f03_pt_write: Failed to write to F03 > >>> TX register (-16). > >>> > >>> The downstream bug is at: > >>> https://bugzilla.suse.com/show_bug.cgi?id=1079862 > >>> > >>> Any ideas? > >> > >> Hmm, maybe the seuence between psmouse and rmi/smbus is not quite right > >> on resume on that box. Can you ask the reporter to: > >> > >> echo 1 > /sys/power/pm_print_times > >> suspend/resume > > > > He uploaded it here: > > https://bugzilla.suse.com/attachment.cgi?id=759933 > > > > Same problem (with f27 and upstream kernel), is there anything else we > can do to help? Should we open a bug on http://bugzilla.kernel.org ? > > thanks There are already two reverts on this mailing list that fix the problem. https://patchwork.kernel.org/patch/10239877/ and https://patchwork.kernel.org/patch/10228565/ Since the regression made it to the stable kernel and this is not moving I think it's appropiate to cc Greg here. - Arek