From: "John W. Linville" <linville@tuxdriver.com>
To: Lennert Buytenhek <buytenh+lkml@liacs.nl>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>,
"David S. Miller" <davem@davemloft.net>,
rmk+lkml@arm.linux.org.uk, matthew@wil.cx,
grundler@parisc-linux.org, linux-pci@atrey.karlin.mff.cuni.cz,
linux-pm@lists.osdl.org, linux-kernel@vger.kernel.org,
greg@kroah.com, ambx1@neo.rr.com, byjac@matfyz.cz,
herbertb@cs.vu.nl
Subject: Re: [patch 2.6.13-rc2] pci: restore BAR values from pci_set_power_state for D3hot->D0
Date: Mon, 11 Jul 2005 09:15:22 -0400 [thread overview]
Message-ID: <20050711131518.GB23093@tuxdriver.com> (raw)
In-Reply-To: <20050711144844.A16143@tin.liacs.nl>
On Mon, Jul 11, 2005 at 02:48:44PM +0200, Lennert Buytenhek wrote:
> On Fri, Jul 08, 2005 at 02:34:56PM -0400, John W. Linville wrote:
>
> > Some PCI devices lose all configuration (including BARs) when
> > transitioning from D3hot->D0. This leaves such a device in an
> > inaccessible state. The patch below causes the BARs to be restored
> > when enabling such a device, so that its driver will be able to
> > access it.
>
> It might be useful to have this functionality exported to outside of
> the generic PCI code.
Fine by me...patch to follow...
John
--
John W. Linville
linville@tuxdriver.com
next prev parent reply other threads:[~2005-07-11 13:16 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-06-23 19:14 [RFC] firmware leaves device in D3hot at boot John W. Linville
2005-06-24 2:28 ` John W. Linville
2005-06-30 17:10 ` Greg KH
2005-07-01 1:41 ` John W. Linville
2005-07-01 2:26 ` [patch 2.6.12] pci: restore BAR values in pci_enable_device John W. Linville
2005-07-01 2:26 ` [patch 2.6.12 (repost w/ corrected subject)] pci: restore BAR values in pci_enable_device_bars John W. Linville
2005-07-02 7:29 ` Grant Grundler
2005-07-02 8:09 ` Russell King
2005-07-05 20:05 ` Matthew Wilcox
2005-07-05 21:46 ` Russell King
2005-07-05 23:34 ` Ivan Kokshaysky
2005-07-06 7:46 ` Russell King
2005-07-08 0:57 ` John W. Linville
2005-07-08 0:59 ` [patch 2.6.13-rc2] pci: restore BAR values in pci_set_power_state for D3hot->D0 John W. Linville
2005-07-08 3:43 ` [linux-pm] " david-b
2005-07-08 12:37 ` John W. Linville
2005-07-08 3:11 ` [patch 2.6.12 (repost w/ corrected subject)] pci: restore BAR values in pci_enable_device_bars David S. Miller
2005-07-08 5:51 ` Ivan Kokshaysky
2005-07-08 6:35 ` David S. Miller
2005-07-08 7:03 ` Ivan Kokshaysky
2005-07-08 7:33 ` David S. Miller
2005-07-08 8:20 ` Ivan Kokshaysky
2005-07-08 18:34 ` [patch 2.6.13-rc2] pci: restore BAR values from pci_set_power_state for D3hot->D0 John W. Linville
2005-07-08 19:08 ` David S. Miller
2005-07-10 17:53 ` Ivan Kokshaysky
2005-07-11 12:48 ` Lennert Buytenhek
2005-07-11 13:15 ` John W. Linville [this message]
2005-07-11 13:19 ` [patch 2.6.13-rc2] PCI: Add symbol exports for pci_restore_bars John W. Linville
2005-07-11 17:18 ` Greg KH
2005-07-11 17:36 ` John W. Linville
2005-07-11 17:38 ` [patch 2.6.13-rc2] PCI: Add GPL symbol export " John W. Linville
2005-07-12 2:28 ` [patch 2.6.13-rc2] pci: restore BAR values from pci_set_power_state for D3hot->D0 Adam Belay
2005-07-13 17:34 ` John W. Linville
2005-07-26 23:49 ` Greg KH
2005-07-27 1:36 ` John W. Linville
2005-07-27 14:12 ` John W. Linville
2005-07-27 14:19 ` [patch 2.6.13-rc3] pci: restore BAR values after D3hot->D0 for devices that need it John W. Linville
2005-07-31 19:36 ` Ralf Baechle
2005-08-02 17:31 ` Greg KH
2005-08-02 16:41 ` Jesse Brandeburg
2005-09-14 13:52 ` [patch 2.6.14-rc1] pci: only call pci_restore_bars at boot John W. Linville
2005-09-14 15:08 ` Jeff Garzik
2005-09-14 16:26 ` David S. Miller
2005-09-14 16:47 ` John W. Linville
2005-09-14 18:22 ` Ivan Kokshaysky
2005-07-05 17:46 ` [patch 2.6.12 (repost w/ corrected subject)] pci: restore BAR values in pci_enable_device_bars John W. Linville
2005-07-18 12:17 ` Grant Grundler
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