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From: "Rafael J. Wysocki" <rjw@rjwysocki.net>
To: Mika Westerberg <mika.westerberg@linux.intel.com>
Cc: Linux PM <linux-pm@vger.kernel.org>,
	Linux PCI <linux-pci@vger.kernel.org>,
	Linux ACPI <linux-acpi@vger.kernel.org>,
	LKML <linux-kernel@vger.kernel.org>,
	Bjorn Helgaas <helgaas@kernel.org>,
	Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
	Hans De Goede <hdegoede@redhat.com>,
	"Robert R. Howell" <RHowell@uwyo.edu>
Subject: Re: [PATCH v2 0/5] PM: PCI/ACPI: Hibernation handling fixes
Date: Fri, 05 Jul 2019 11:50:35 +0200	[thread overview]
Message-ID: <3380486.WkxyVYbAKD@kreacher> (raw)
In-Reply-To: <20190701162017.GB2640@lahna.fi.intel.com>

On Monday, July 1, 2019 6:20:17 PM CEST Mika Westerberg wrote:
> On Mon, Jul 01, 2019 at 12:42:14PM +0200, Rafael J. Wysocki wrote:
> > Hi All,
> > 
> > This series of patches addresses a few issues related to the handling of
> > hibernation in the PCI bus type and the ACPI PM domain and ACPI LPSS driver.
> > 
> > The v2 addresses Hans' concerns regarding the LPSS changes.
> > 
> > First of all, all of the runtime-suspended PCI devices and devices in the ACPI PM and LPSS
> > PM domains will be resumed during hibernation (first patch).  This appears to be the
> > only way to avoid weird corner cases and the benefit from avoiding to resume those
> > devices during hibernation is questionable.
> > 
> > That change allows the the hibernation callbacks in all of the involved subsystems to be
> > simplified (patches 2 and 3).
> > 
> > Moreover, reusing bus-level suspend callbacks for the "poweroff" transition during
> > hibernation (which is the case for the ACPI PM domain and LPSS) is incorrect, so patch 4
> > fixes that.
> > 
> > Finally, there are some leftover items in linux/acpi.h that can be dropped (patch 5).
> 
> For the whole series,
> 
> Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
> 

Thanks!

Queued for 5.3 with the tags from you and Hans (I've fixed up comments in the first patch while applying it).





      reply	other threads:[~2019-07-05  9:50 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-07-01 10:42 Rafael J. Wysocki
2019-07-01 10:44 ` [PATCH v2 1/5] PM: ACPI/PCI: Resume all devices during hibernation Rafael J. Wysocki
2019-07-01 16:15   ` Mika Westerberg
2019-07-02 15:59     ` Rafael J. Wysocki
2019-07-02  4:24   ` Robert R. Howell
2019-07-01 10:46 ` [PATCH v2 2/5] PCI: PM: Simplify bus-level hibernation callbacks Rafael J. Wysocki
2019-07-01 10:54 ` [PATCH v2 3/5] ACPI: PM: Simplify and fix PM domain " Rafael J. Wysocki
2019-07-01 10:54 ` [PATCH v2 4/5] ACPI: PM: Introduce "poweroff" callbacks for ACPI PM domain and LPSS Rafael J. Wysocki
2019-07-01 10:55 ` [PATCH v2 5/5] ACPI: PM: Drop unused function and function header Rafael J. Wysocki
2019-07-01 11:30 ` [PATCH v2 0/5] PM: PCI/ACPI: Hibernation handling fixes Hans de Goede
2019-07-01 16:20 ` Mika Westerberg
2019-07-05  9:50   ` Rafael J. Wysocki [this message]

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