From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754376Ab3HAFtw (ORCPT ); Thu, 1 Aug 2013 01:49:52 -0400 Received: from devils.ext.ti.com ([198.47.26.153]:51694 "EHLO devils.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753180Ab3HAFtu (ORCPT ); Thu, 1 Aug 2013 01:49:50 -0400 Message-ID: <51F9F6DF.5070306@ti.com> Date: Thu, 1 Aug 2013 08:49:19 +0300 From: Tomi Valkeinen User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130623 Thunderbird/17.0.7 MIME-Version: 1.0 To: Ben Hutchings , Aaro Koskinen CC: , , , Felipe Balbi , =?UTF-8?B?UGFsaSA=?= =?UTF-8?B?Um9ow6Fy?= , Sebastian Reichel , Tony Lindgren , Joni Lapilainen Subject: Re: [26/84] ARM: OMAP: RX-51: change probe order of touchscreen and panel SPI devices References: In-Reply-To: X-Enigmail-Version: 1.5.2 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="gHt6uuDvHioS6fAJu3F5Mhtjcn1MRxQk0" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --gHt6uuDvHioS6fAJu3F5Mhtjcn1MRxQk0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Hi, On 31/07/13 16:23, Ben Hutchings wrote: > 3.2.50-rc1 review patch. If anyone has any objections, please let me k= now. >=20 > ------------------ >=20 > From: Aaro Koskinen >=20 > commit e65f131a14726e5f1b880a528271a52428e5b3a5 upstream. >=20 > Commit 9fdca9df (spi: omap2-mcspi: convert to module_platform_driver) > broke the SPI display/panel driver probe on RX-51/N900. The exact cause= is > not fully understood, but it seems to be related to the probe order. SP= I > communication to the panel driver (spi1.2) fails unless the touchscreen= > (spi1.0) has been probed/initialized before. When the omap2-mcspi drive= r > was converted to a platform driver, it resulted in that the devices are= > probed immediately after the board registers them in the order they are= > listed in the board file. I'm not really familiar with this issue, but: The commit 9fdca9df was merged to v3.5. Has that also been backported to 3.2? If not, I don't think this patch is needed for 3.2, as the patch causing the problem is not in 3.2. Tomi --gHt6uuDvHioS6fAJu3F5Mhtjcn1MRxQk0 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iQIcBAEBAgAGBQJR+fbfAAoJEPo9qoy8lh716foQAK6EuU4G5Y3IXpsA/Zt5sPp4 CK0GIoRcXIAz9tYqSbPG1+leIXDgsy9G7l9FSSWCcbfdo9pHCwlhUqsOs9enM7vo qiD5NjIln1+aoXnsdkjj/YwrArE/fec8DrnLzqjEubKDwWyeMDaBReEpS+nX5hof Kar5fYB30hNComcI8ReEzYS7ES5LkXir4Vn8HHDTuTign3ezMQTesLWHzefsRyXq EeIuDlX1qzVLQIKAwMoVmNQnycQ/H5P7Cv4DVfihaaQsn7Bmbtb+B4tGpT6U44Q4 uBpz0O4PjL3vNIZUYzlV7fFqpTpAjJgaOC0RCsiA8o9AJmio/0oNxGiH8sf7yi9g 8amCnwRVGi8dnYuZfwwvCoS3yZn0KISwn+gFLy2VFjeweGWZ9ErGOYcp4IKBOgRW K36gVZqJ3H/eAfZfhLYlOm5h1pbdisAFl57HmawIWSvSCVMPreK9ToYwtC87/jz+ /7gC6bcx/KxQsAqYTiH7oXPUT45jH0O+iaz+/qHRsFxkxMgVJmpC+e6sKW1bNuk6 ASWPPLczsZIQDck6dmjKbNHRdlo20bPIqbJSBNlwSQFcUnC7h+tmtuhuue15Dt45 XdlHOlSjtAYEmrESc3NZuk7r1d8OCkZNC/iEumQCKPQ8bcstTj1o2gCEb3boOkXM We9B+iqFvYGXIf4pugux =pJkk -----END PGP SIGNATURE----- --gHt6uuDvHioS6fAJu3F5Mhtjcn1MRxQk0--