From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Jan-Matthias Braun" Subject: Re: hid-multitouch: eGalax Touchscreen not resuming after suspend Date: Tue, 4 Dec 2012 23:11:27 +0100 Message-ID: <201212042311.27348.jan_braun@gmx.net> References: <8159607.SRZZrRIPNF@orthese> <3334839.0y63iIARTX@orthese> <2305931.9GBOrRiDsv@vostro.rjw.lan> Mime-Version: 1.0 Content-Type: multipart/signed; boundary="nextPart1908756.5KHSWp30x7"; protocol="application/pgp-signature"; micalg=pgp-sha1 Content-Transfer-Encoding: 7bit Return-path: Received: from mailhost.physik3.gwdg.de ([134.76.92.128]:52822 "EHLO mailhost.physik3.gwdg.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751807Ab2LDWlR (ORCPT ); Tue, 4 Dec 2012 17:41:17 -0500 In-Reply-To: <2305931.9GBOrRiDsv@vostro.rjw.lan> Sender: linux-input-owner@vger.kernel.org List-Id: linux-input@vger.kernel.org To: "Rafael J. Wysocki" Cc: Jiri Kosina , Benjamin Tissoires , Greg Kroah-Hartman , linux-input@vger.kernel.org --nextPart1908756.5KHSWp30x7 Content-Type: Text/Plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Hi Rafael, Am Donnerstag 29. November 2012, 23:28:55 schrieb Rafael J. Wysocki: > On Thursday, November 29, 2012 03:03:04 PM Jan-Matthias Braun wrote: > > Am Donnerstag, 29. November 2012, 01:20:04 schrieb Rafael J. Wysocki: > > > On Tuesday, November 27, 2012 09:26:11 PM Jiri Kosina wrote: > > > > On Sun, 25 Nov 2012, Jan-Matthias Braun wrote: > > > > > I have now done a git bisection from 3.0 to 3.1 and have found co= mmit > > > > > 1e2ef05bb8cf851a694d38e9170c89e7ff052741 PM: Limit race condition= s between runtime PM and system sleep (v2) > > > > > to be the first one to introduce the necessity of a module reload= after resume. > > >=20 > > > So with that commit your device doesn't work after resume from system= suspend > > > unless you reload the driver? > >=20 > > Yes. Additionally, with later kernel revisions even this won't help, bu= t I could imagine this to be a consequence of the same problem. > >=20 > > > > > I hope that this helps in finding a solution. As I (again) don't = immediatly > > > > > know how to go on, I kindly ask you to give me some hints for tes= ting/patching > > > > > or even a possible solution. :-) > > >=20 > > > Can you apply the patch below to the current mainline kernel and see = if it makes any > > > difference, please? > >=20 > > It does: Current mainline kernel (version >3.7.0-rc7 from git) is not s= howing > > the problem, if the patch is applied. >=20 > If you apply the patch below instead of the previous one, does it make > the problem return, or is it still good? again, the problem does not occur; the resume behaviour of the touchscreen = is still good. Thanks a lot for testing! Jan --nextPart1908756.5KHSWp30x7 Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part. -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.19 (GNU/Linux) iEYEABECAAYFAlC+dQ8ACgkQjZbhs+19QO+dsgCg0g1srUV51/RjgM8lHN2+iovv lrYAoJpUHlRdmGhDHBvRdErn7FvvIm0b =2q9g -----END PGP SIGNATURE----- --nextPart1908756.5KHSWp30x7--