From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756690AbbLDWiI (ORCPT ); Fri, 4 Dec 2015 17:38:08 -0500 Received: from v094114.home.net.pl ([79.96.170.134]:61051 "HELO v094114.home.net.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1751813AbbLDWiF (ORCPT ); Fri, 4 Dec 2015 17:38:05 -0500 From: "Rafael J. Wysocki" To: Andy Shevchenko Cc: linux-acpi@vger.kernel.org, Vinod Koul , dmaengine@vger.kernel.org, Thomas Gleixner , Greg Kroah-Hartman , Jarkko Nikula , linux-kernel@vger.kernel.org, Mika Westerberg Subject: Re: [PATCH v3 0/9] ACPI / LPSS: fix system hangup on BYT/BSW/CHT Date: Sat, 05 Dec 2015 00:07:58 +0100 Message-ID: <1838591.lmJz0NSQxf@vostro.rjw.lan> User-Agent: KMail/4.11.5 (Linux/4.1.0-rc5+; KDE/4.11.5; x86_64; ; ) In-Reply-To: <1449265765-9393-1-git-send-email-andriy.shevchenko@linux.intel.com> References: <1449265765-9393-1-git-send-email-andriy.shevchenko@linux.intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="utf-8" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Friday, December 04, 2015 11:49:16 PM Andy Shevchenko wrote: > Here is a v3 of the next generation (previous one is [1]) of the long standing > power issue fix regarding to LPSS on Intel Baytrail and Braswell SoCs, in > particularly ASuS T100TA. There are few bugs already opened on kernel.org's and > RedHat's bugzilla sites. > > The series depends on the patch submitted earlier [2]. > > The patch 1 brings a new notification to handle the case when ->probe() of the > driver fails. It allows to avoid a potential problems. I've noticed couple of > drivers that are using that in assumption that ->probe() never fails. > > The patches 2 & 4 are needed to fix an I2C issue which Jarkko is currently > investigating. > > It seems the best way to push it through linux-pm tree. Thus, it would be good > to get ACKs from the rest of maintainers. > > Rafael, it would be nice to have an immutable branch or tag for this sice I > have more patches coming for dw_dmac driver which are based on top of this > series. > > The patches have been tested on ASuS T100TA, Intel Cherrytrail, and Intel > Braswell SoCs. > > [1] http://www.spinics.net/lists/linux-acpi/msg53963.html > [2] http://www.spinics.net/lists/kernel/msg2119229.html > > Changelog v3: > - patch 2 is split to pure revert with Fixes tag for stable and new change in > patch 3 > - add patch 4 to resolve an issue when I2C can't be probed and SDHCI leaves > devices in D0 > - address comments from Rafael > - quirk functions moved under CONFIG_PM > > Andy Shevchenko (9): > device core: add BUS_NOTIFY_DRIVER_NOT_BOUND notification > Revert "ACPI / LPSS: allow to use specific PM domain during ->probe()" > ACPI / LPSS: allow to use specific PM domain during ->probe() > ACPI / LPSS: power on when probe() and otherwise when remove() > ACPI / LPSS: do delay for all LPSS devices when D3->D0 > ACPI / LPSS: override power state for LPSS DMA device > dmaengine: dw: platform: power on device on shutdown > dmaengine: dw: return immediately from IRQ when DMA isn't in use > Revert "dmaengine: dw: platform: provide platform data for Intel" > > arch/x86/Kconfig | 3 +- > arch/x86/include/asm/iosf_mbi.h | 2 + > drivers/acpi/acpi_lpss.c | 213 +++++++++++++++++++++++++++++++++++++--- > drivers/base/dd.c | 10 +- > drivers/dma/dw/core.c | 9 +- > drivers/dma/dw/platform.c | 29 +++--- > include/linux/device.h | 1 + > 7 files changed, 231 insertions(+), 36 deletions(-) The series generally looks good to me, but patch [1/9] needs an ACK from Greg and the dmaengine ones need ACKs from Vinod. Thanks, Rafael