From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933250AbeEWOGV (ORCPT ); Wed, 23 May 2018 10:06:21 -0400 Received: from atrey.karlin.mff.cuni.cz ([195.113.26.193]:43244 "EHLO atrey.karlin.mff.cuni.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932942AbeEWOGR (ORCPT ); Wed, 23 May 2018 10:06:17 -0400 Date: Wed, 23 May 2018 16:06:15 +0200 From: Pavel Machek To: Aaro Koskinen Cc: Pali =?iso-8859-1?Q?Roh=E1r?= , sre@kernel.org, kernel list , linux-arm-kernel , linux-omap@vger.kernel.org, tony@atomide.com, khilman@kernel.org, ivo.g.dimitrov.75@gmail.com, patrikbachan@gmail.com, serge@hallyn.com, abcloriens@gmail.com, clayton@craftyguy.net, martijn@brixit.nl, sakari.ailus@linux.intel.com, Filip =?utf-8?Q?Matijevi=C4=87?= , Thorsten Leemhuis Subject: Re: v4.17-rc1: regressions on N900, N950 Message-ID: <20180523140615.GA27180@amd> References: <20180422074213.GA12428@amd> <20180423202940.ig6iud5lrbgnu35a@darkstar.musicnaut.iki.fi> <20180521213952.GA11596@amd> <20180522080250.4fzyvqrgw5oigexn@pali> <20180522194139.GB2299@darkstar.musicnaut.iki.fi> <20180522205824.GA24927@amd> <20180522215638.GC2299@darkstar.musicnaut.iki.fi> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="sdtB3X0nJg68CQEu" Content-Disposition: inline In-Reply-To: <20180522215638.GC2299@darkstar.musicnaut.iki.fi> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --sdtB3X0nJg68CQEu Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed 2018-05-23 00:56:38, Aaro Koskinen wrote: > Hi, >=20 > On Tue, May 22, 2018 at 10:58:26PM +0200, Pavel Machek wrote: > > On Tue 2018-05-22 22:41:39, Aaro Koskinen wrote: > > > My device worked with v4.17-rc1 (haven't found time to test newer ker= nels), > > > but if you say the probe order is random then we must find some prope= r way > > > to express the dependency. > >=20 > > I started bisect, but.. that will probably not be useful. > >=20 > > If your device works ok in v4.17-rc1, it probably works in newer -rcs, > > too. >=20 > Actually, my statement may be bogus... Now I tried again with -rc1 > (and also -rc6) and it fails... But v4.16 works. >=20 > > Thanks for the ordering hint, I'll try to figure out what is going on > > there. >=20 > My bisection pointed to 6fa7324ac5489ad43c4b6351355b869bc5458bef which > doesn't seem to make any sense...?! So maybe there really is something > random stuff going on? :-( So... I did some experiments on v4.16. Swapping tsc2005@0 and lcd: acx565akm@2 entries in the dts does break stuff. I thought it might be due to vio regulator, but it does not appear so... screen still works with tsc2005 driver disabled in .config. (so there's noone to enable vio regulator). Pavel --=20 (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blo= g.html --sdtB3X0nJg68CQEu Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iEYEARECAAYFAlsFdVcACgkQMOfwapXb+vKw2QCfZHxmUPEnzgwLJepZL0ktgDYD 1Y8An1Bo+mPN/0du/tfzMHqQzZQZHXL3 =JKWD -----END PGP SIGNATURE----- --sdtB3X0nJg68CQEu-- From mboxrd@z Thu Jan 1 00:00:00 1970 From: pavel@ucw.cz (Pavel Machek) Date: Wed, 23 May 2018 16:06:15 +0200 Subject: v4.17-rc1: regressions on N900, N950 In-Reply-To: <20180522215638.GC2299@darkstar.musicnaut.iki.fi> References: <20180422074213.GA12428@amd> <20180423202940.ig6iud5lrbgnu35a@darkstar.musicnaut.iki.fi> <20180521213952.GA11596@amd> <20180522080250.4fzyvqrgw5oigexn@pali> <20180522194139.GB2299@darkstar.musicnaut.iki.fi> <20180522205824.GA24927@amd> <20180522215638.GC2299@darkstar.musicnaut.iki.fi> Message-ID: <20180523140615.GA27180@amd> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Wed 2018-05-23 00:56:38, Aaro Koskinen wrote: > Hi, > > On Tue, May 22, 2018 at 10:58:26PM +0200, Pavel Machek wrote: > > On Tue 2018-05-22 22:41:39, Aaro Koskinen wrote: > > > My device worked with v4.17-rc1 (haven't found time to test newer kernels), > > > but if you say the probe order is random then we must find some proper way > > > to express the dependency. > > > > I started bisect, but.. that will probably not be useful. > > > > If your device works ok in v4.17-rc1, it probably works in newer -rcs, > > too. > > Actually, my statement may be bogus... Now I tried again with -rc1 > (and also -rc6) and it fails... But v4.16 works. > > > Thanks for the ordering hint, I'll try to figure out what is going on > > there. > > My bisection pointed to 6fa7324ac5489ad43c4b6351355b869bc5458bef which > doesn't seem to make any sense...?! So maybe there really is something > random stuff going on? :-( So... I did some experiments on v4.16. Swapping tsc2005 at 0 and lcd: acx565akm at 2 entries in the dts does break stuff. I thought it might be due to vio regulator, but it does not appear so... screen still works with tsc2005 driver disabled in .config. (so there's noone to enable vio regulator). Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 181 bytes Desc: Digital signature URL: