From: Mika Westerberg <mika.westerberg@linux.intel.com>
To: "Rafael J. Wysocki" <rjw@rjwysocki.net>
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: Mon, 1 Jul 2019 19:20:17 +0300 [thread overview]
Message-ID: <20190701162017.GB2640@lahna.fi.intel.com> (raw)
In-Reply-To: <4976412.ihyb9sT5jY@kreacher>
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>
next prev parent reply other threads:[~2019-07-01 16:20 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-07-01 10:42 [PATCH v2 0/5] PM: PCI/ACPI: Hibernation handling fixes 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 [this message]
2019-07-05 9:50 ` Rafael J. Wysocki
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