From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755378AbbJUPGP (ORCPT ); Wed, 21 Oct 2015 11:06:15 -0400 Received: from mga09.intel.com ([134.134.136.24]:21805 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752975AbbJUPGK (ORCPT ); Wed, 21 Oct 2015 11:06:10 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.17,712,1437462000"; d="scan'208";a="585377925" Message-ID: <1445439954.22669.38.camel@linux.intel.com> Subject: Re: [PATCH v3 0/6] enable I2C devices behind I2C bus on Gen2 From: Andy Shevchenko To: linux-acpi@vger.kernel.org, linux-i2c@vger.kernel.org, Lee Jones , Wolfram Sang , "Rafael J . Wysocki" , Mika Westerberg , "Puustinen, Ismo" , "Pandruvada, Srinivas" , linux-kernel@vger.kernel.org Date: Wed, 21 Oct 2015 18:05:54 +0300 In-Reply-To: <1444213129-29793-1-git-send-email-andriy.shevchenko@linux.intel.com> References: <1444213129-29793-1-git-send-email-andriy.shevchenko@linux.intel.com> Organization: Intel Finland Oy Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.18.0-2+b1 Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 2015-10-07 at 13:18 +0300, Andy Shevchenko wrote: > There is a board in the wild, i.e. Intel Galileo Gen2, that has ACPI > enumerated > devices behind I2C bus. Lee, since Wolfram is going to apply patches 1 and 5, how could we proceed with the rest? Patches are indeed build independent, though they are unified by enabling logically piece-by-piece. It would be great if you think you may apply them to your v4.4 queue. > This patch series dedicated to enable those devices. Meanwhile it > also changes > I2C core to cope with ACPI 6.0 specification (patch 1). > > The MFD framework is also updated to cope with interesting > implementation of > the cell descriptions under ACPI MFD (patch 2). > > The patches 5 and 6 are pretty independent and could be applied > ahead, though > they don't make much sense without previous ones. > > Srinivas, it would be nice to see your tag (ideally Tested-by) to be > sure we > don't break ISH stuff. > > Since it touches multiple subsystems someone needs to create an > immutable > branch. I don't actually know whose subsystem better here. Wolfram? > > Tested on the actual Intel Galileo Gen2 by Ismo (gpio expanders) and > me (at24). > > Changelog v3: > - append ACKs from Rafael (from ACPI angle) > - drop upstreamed patches (GPIO pca953x) > > Changelog v2: > - append tags > - re-make patch 3 (suggested by Lee) > - improve patch 8 (suggested by Thierry) > > Andy Shevchenko (5): >   mfd: core: redo ACPI matching of the children devices >   mfd: intel_quark_i2c_gpio: load gpio driver first >   mfd: intel_quark_i2c_gpio: support devices behind i2c bus >   at24: enable ACPI device found on Galileo Gen2 >   pwm-pca9685: enable ACPI device found on Galileo Gen2 > > Mika Westerberg (1): >   i2c / ACPI: Rework I2C device scanning > >  Documentation/acpi/enumeration.txt | 11 +++-- >  drivers/i2c/i2c-core.c             | 82 +++++++++++++++++++++++++++- > ---------- >  drivers/mfd/intel_quark_i2c_gpio.c | 33 ++++++++++----- >  drivers/mfd/mfd-core.c             | 52 ++++++++++++++++-------- >  drivers/misc/eeprom/at24.c         | 22 ++++++++-- >  drivers/pwm/Kconfig                |  2 +- >  drivers/pwm/pwm-pca9685.c          | 20 ++++++++-- >  include/linux/mfd/core.h           | 10 ++++- >  8 files changed, 170 insertions(+), 62 deletions(-) > -- Andy Shevchenko Intel Finland Oy