From: Greg KH <gregkh@suse.de>
To: linux-kernel@vger.kernel.org, stable@kernel.org
Cc: stable-review@kernel.org, torvalds@linux-foundation.org,
akpm@linux-foundation.org, alan@lxorguk.ukuu.org.uk,
Shaohua Li <shaohua.li@intel.com>,
Jesse Barnes <jbarnes@virtuousgeek.org>
Subject: [patch 08/30] PCI: disable ASPM on VIA root-port-under-bridge configurations
Date: Tue, 30 Jun 2009 16:59:52 -0700 [thread overview]
Message-ID: <20090701000357.437400136@mini.kroah.org> (raw)
In-Reply-To: <20090701002817.GA6156@kroah.com>
[-- Attachment #1: pci-disable-aspm-on-via-root-port-under-bridge-configurations.patch --]
[-- Type: text/plain, Size: 1034 bytes --]
2.6.27-stable review patch. If anyone has any objections, please let us know.
------------------
From: Shaohua Li <shaohua.li@intel.com>
commit 8e822df700694ca6850d1e0c122fd7004b2778d8 upstream.
VIA has a strange chipset, it has root port under a bridge. Disable ASPM
for such strange chipset.
Tested-by: Wolfgang Denk <wd@denx.de>
Signed-off-by: Shaohua Li <shaohua.li@intel.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
drivers/pci/pcie/aspm.c | 4 ++++
1 file changed, 4 insertions(+)
--- a/drivers/pci/pcie/aspm.c
+++ b/drivers/pci/pcie/aspm.c
@@ -633,6 +633,10 @@ void pcie_aspm_init_link_state(struct pc
if (pdev->pcie_type != PCI_EXP_TYPE_ROOT_PORT &&
pdev->pcie_type != PCI_EXP_TYPE_DOWNSTREAM)
return;
+ /* VIA has a strange chipset, root port is under a bridge */
+ if (pdev->pcie_type == PCI_EXP_TYPE_ROOT_PORT &&
+ pdev->bus->self)
+ return;
down_read(&pci_bus_sem);
if (list_empty(&pdev->subordinate->devices))
goto out;
next prev parent reply other threads:[~2009-07-01 0:32 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20090630235944.868879272@mini.kroah.org>
2009-07-01 0:28 ` [patch 00/30] 2.6.27-stable review Greg KH
2009-06-30 23:59 ` [patch 01/30] parport: netmos 9845 & 9855 1P4S fixes Greg KH
2009-06-30 23:59 ` [patch 02/30] atmel_lcdfb: correct fifo size for some products Greg KH
2009-06-30 23:59 ` [patch 03/30] bonding: fix multiple module load problem Greg KH
2009-06-30 23:59 ` [patch 04/30] char: moxa, prevent opening unavailable ports Greg KH
2009-06-30 23:59 ` [patch 05/30] char: mxser, fix ISA board lookup Greg KH
2009-06-30 23:59 ` [patch 06/30] firmware_map: fix hang with x86/32bit Greg KH
2009-06-30 23:59 ` [patch 07/30] jbd: fix race in buffer processing in commit code Greg KH
2009-06-30 23:59 ` Greg KH [this message]
2009-06-30 23:59 ` [patch 09/30] r8169: fix crash when large packets are received Greg KH
2009-06-30 23:59 ` [patch 10/30] ISDN: Fix DMA alloc for hfcpci Greg KH
2009-06-30 23:59 ` [patch 11/30] x86: Add quirk for reboot stalls on a Dell Optiplex 360 Greg KH
2009-06-30 23:59 ` [patch 12/30] x86: quirk for reboot stalls on a Dell Optiplex 330 Greg KH
2009-06-30 23:59 ` [patch 13/30] ALSA: ca0106 - Add missing registrations of vmaster controls Greg KH
2009-06-30 23:59 ` [patch 14/30] floppy: provide a PNP device table in the module Greg KH
2009-06-30 23:59 ` [patch 15/30] floppy: request and release only the ports we actually use Greg KH
2009-07-01 0:00 ` [patch 16/30] IB/mlx4: Add strong ordering to local inval and fast reg work requests Greg KH
2009-07-01 0:00 ` [patch 17/30] x86: handle initrd that extends into unusable memory Greg KH
2009-07-01 0:00 ` [patch 18/30] lockdep: Select frame pointers on x86 Greg KH
2009-07-01 0:00 ` [patch 19/30] md/raid5: add missing call to schedule() after prepare_to_wait() Greg KH
2009-07-01 0:00 ` [patch 20/30] tcp: advertise MSS requested by user Greg KH
2009-07-01 0:00 ` [patch 21/30] parport_pc: after superio probing restore original register values Greg KH
2009-07-01 0:00 ` [patch 22/30] parport_pc: set properly the dma_mask for parport_pc device Greg KH
2009-07-01 0:00 ` [patch 23/30] PCI PM: Fix handling of devices without PM support by pci_target_state() Greg KH
2009-07-01 0:00 ` [patch 24/30] PCI PM: Follow PCI_PM_CTRL_NO_SOFT_RESET during transitions from D3 Greg KH
2009-07-01 0:00 ` [patch 25/30] pcmcia/cm4000: fix lock imbalance Greg KH
2009-07-01 0:00 ` [patch 26/30] sound: seq_midi_event: fix decoding of (N)RPN events Greg KH
2009-07-01 0:00 ` [patch 27/30] mm: fix handling of pagesets for downed cpus Greg KH
2009-07-01 0:00 ` [patch 28/30] dm mpath: validate hw_handler argument count Greg KH
2009-07-01 0:00 ` [patch 29/30] dm mpath: validate table " Greg KH
2009-07-01 0:00 ` [patch 30/30] dm: sysfs skip output when device is being destroyed Greg KH
2009-07-01 6:04 ` [patch 00/30] 2.6.27-stable review Christoph Biedl
2009-07-01 18:49 ` [stable] " Greg KH
2009-07-17 19:43 ` Greg KH
2009-07-01 18:35 ` Greg KH
2009-07-01 18:36 ` [patch 31/30] bsdacct: fix access to invalid filp in acct_on() Greg KH
2009-07-01 18:38 ` [patch 32/30] kbuild: fix C libary confusion in unifdef.c due to getline() Greg KH
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