From: Mika Westerberg <mika.westerberg@linux.intel.com>
To: "Rafael J. Wysocki" <rjw@rjwysocki.net>
Cc: Linux ACPI <linux-acpi@vger.kernel.org>,
Bjorn Helgaas <helgaas@kernel.org>,
Linux PM <linux-pm@vger.kernel.org>,
LKML <linux-kernel@vger.kernel.org>,
Zhang Rui <rui.zhang@intel.com>
Subject: Re: [PATCH 1/2] ACPI: PM: Avoid evaluating _PS3 on transitions from D3hot to D3cold
Date: Tue, 25 Jun 2019 17:11:16 +0300 [thread overview]
Message-ID: <20190625141116.GI2640@lahna.fi.intel.com> (raw)
In-Reply-To: <3012059.oderKuhLE3@kreacher>
On Tue, Jun 25, 2019 at 02:04:45PM +0200, Rafael J. Wysocki wrote:
> From: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
>
> If the power state of a device with ACPI PM is changed from D3hot to
> D3cold, it merely is a matter of dropping references to additional
> power resources (specifically, those in the list returned by _PR3),
> and the _PS3 method should not be invoked for the device then (as
> it has already been evaluated during the previous transition to
> D3hot).
>
> Fixes: 20dacb71ad28 (ACPI / PM: Rework device power management to follow ACPI 6)
> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
next prev parent reply other threads:[~2019-06-25 14:11 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-06-25 12:03 [PATCH 0/2] ACPI: PM: Fix two issues in acpi_device_set_power() Rafael J. Wysocki
2019-06-25 12:04 ` [PATCH 1/2] ACPI: PM: Avoid evaluating _PS3 on transitions from D3hot to D3cold Rafael J. Wysocki
2019-06-25 14:11 ` Mika Westerberg [this message]
2019-07-05 9:49 ` Rafael J. Wysocki
2019-06-25 12:06 ` [PATCH 2/2] ACPI: PM: Allow transitions to D0 to occur in special cases Rafael J. Wysocki
2019-06-25 14:14 ` Mika Westerberg
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