From: Jesse Barnes <jbarnes@virtuousgeek.org>
To: Matthew Garrett <mjg@redhat.com>
Cc: linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-pci@vger.kernel.org
Subject: Re: [PATCH 5/5] pci: Add support for polling PME state on suspended legacy PCI devices
Date: Fri, 15 Oct 2010 13:10:28 -0700 [thread overview]
Message-ID: <20101015131028.7fffba40@jbarnes-desktop> (raw)
In-Reply-To: <1286216549-5438-6-git-send-email-mjg@redhat.com>
On Mon, 4 Oct 2010 14:22:29 -0400
Matthew Garrett <mjg@redhat.com> wrote:
> Not all hardware vendors hook up the PME line for legacy PCI devices,
> meaning that wakeup events get lost. The only way around this is to poll
> the devices to see if their state has changed, so add support for doing
> that on legacy PCI devices that aren't part of the core chipset.
>
> Signed-off-by: Matthew Garrett <mjg@redhat.com>
> ---
> drivers/pci/pci.c | 77 +++++++++++++++++++++++++++++++++++++++++++++++++++++
> 1 files changed, 77 insertions(+), 0 deletions(-)
Yuck, polling. But I guess we don't have an alternative short of
rewiring all the cheap platforms out there!
So, applied.
--
Jesse Barnes, Intel Open Source Technology Center
next prev parent reply other threads:[~2010-10-15 20:10 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-10-04 18:22 Runtime PM: Improve support for PCI devices Matthew Garrett
2010-10-04 18:22 ` [PATCH 1/5] ACPI: Allow handlers to be installed at the same time as methods Matthew Garrett
2010-10-05 23:18 ` Rafael J. Wysocki
2010-10-06 2:09 ` Moore, Robert
2010-10-06 16:14 ` Moore, Robert
2010-10-06 16:18 ` Matthew Garrett
2010-10-06 19:30 ` Rafael J. Wysocki
2010-10-06 19:32 ` Matthew Garrett
2010-10-06 19:47 ` Moore, Robert
2010-10-04 18:22 ` [PATCH 2/5] pci: Export some PCI PM functionality Matthew Garrett
2010-10-05 23:20 ` Rafael J. Wysocki
2010-10-15 20:10 ` Jesse Barnes
2010-10-04 18:22 ` [PATCH 3/5] ACPI: Bind implicit GPE dependencies to PCI devices Matthew Garrett
2010-10-05 23:37 ` Rafael J. Wysocki
2010-10-04 18:22 ` [PATCH 4/5] ACPI: Missing _S0W shouldn't disable runtime PM Matthew Garrett
2010-10-04 18:22 ` [PATCH 5/5] pci: Add support for polling PME state on suspended legacy PCI devices Matthew Garrett
2010-10-05 23:45 ` Rafael J. Wysocki
2010-10-15 20:10 ` Jesse Barnes [this message]
2010-10-15 20:39 ` Rafael J. Wysocki
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