From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wolfram Sang Subject: Re: [PATCH] Revert "i2c: designware: do not disable adapter after transfer" Date: Fri, 25 Nov 2016 23:24:19 +0100 Message-ID: <20161125222419.GC1456@katana> References: <20161125152227.24396-1-jarkko.nikula@linux.intel.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="Pk6IbRAofICFmK5e" Return-path: Received: from www.zeus03.de ([194.117.254.33]:40020 "EHLO mail.zeus03.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750859AbcKYWYX (ORCPT ); Fri, 25 Nov 2016 17:24:23 -0500 Content-Disposition: inline In-Reply-To: <20161125152227.24396-1-jarkko.nikula@linux.intel.com> Sender: linux-i2c-owner@vger.kernel.org List-Id: linux-i2c@vger.kernel.org To: Jarkko Nikula Cc: linux-i2c@vger.kernel.org, Wolfram Sang , Andy Shevchenko , Mika Westerberg , Srinivas Pandruvada , Lucas De Marchi --Pk6IbRAofICFmK5e Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Nov 25, 2016 at 05:22:27PM +0200, Jarkko Nikula wrote: > This reverts commit 0317e6c0f1dc1ba86b8d9dccc010c5e77b8355fa. >=20 > Srinivas reported recently touchscreen and touchpad stopped working in > Haswell based machine in Linux 4.9-rc series with timeout errors from > i2c_designware: >=20 > [ 16.508013] i2c_designware INT33C3:00: controller timed out > [ 16.508302] i2c_hid i2c-MSFT0001:02: failed to change power setting. > [ 17.532016] i2c_designware INT33C3:00: controller timed out > [ 18.556022] i2c_designware INT33C3:00: controller timed out > [ 18.556315] i2c_hid i2c-ATML1000:00: failed to retrieve report from de= vice. >=20 > I managed to reproduce similar errors on another Haswell based machine > where touchscreen initialization fails maybe in every 1/5 - 1/2 boots. > Since root cause for these errors is not clear yet and debugging is > ongoing it's better to revert this commit as we are near to release. >=20 > Reported-by: Srinivas Pandruvada > Cc: Lucas De Marchi > Signed-off-by: Jarkko Nikula Applied to for-current, thanks! --Pk6IbRAofICFmK5e Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAEBAgAGBQJYOLoTAAoJEBQN5MwUoCm2zPAQAIzjsbiX5hQh0xSwXCEOxPpA pmmBbsZCGLSFB1R6cno9hJ5nS0njYG2j+QO/wnEBjvRdJhhxhCg8QPqpOYBPmpSh tAbBQYb/Fr26x8T06nZitWbg4d85qq1eFOR6F4MYoBcAVOGQVv6X8z2jk/JNBIvm FNl50ZRZqKxBAyGTYkG0rtefO39WjVoTPA2gG/8wHk1gUyhqovDA1hFinStcliH5 WJE636/vrYaZqjBig+rPPd2uSAs88oOt44wzS8RagLGBAMYst6WkitiefTu9DteM vOuX02iK3LcZlJ4aS7CSbt7FXDceZZ6sUCgFUAY17KNz7tE/wYAZtOfS6GK0ri/r qKUHreHW4NKy5fdlADxjWpYCbUtKQAYQEBvGXQEBBTVZTnO/zThz+8iLb30J93Um KmtvGSdMtmIYMP5G/BVv55y2Xheg/WHEygpsSpU8XabVsQgDm09++Y7n/r6YghgF h0pUA6VvXFXigoQZjXZu+ptrdfdokaYywwajPvHZzW8eQzwmKY8QgJwMu7IkGlpL HTAXd/fOfbMBkme3GZgYsg1OpE7RcbH9KRnx8/RxGsKCh/4snIkTcepmwLlaCGaK NqpJ4MU040Y1n2vJQPBp4WFliFs+6e1rGl5AnGtL7UVkJV5MPFgs5LEFEkP/NH9i iEcBw0Y1tt6NljyuKhhi =P4Po -----END PGP SIGNATURE----- --Pk6IbRAofICFmK5e--