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| author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-09-05 13:04:34 +0800 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-09-05 13:04:34 +0800 |
| commit | fc600432cd23e35c85de2ff4468d816d6938a112 (patch) | |
| tree | c191c51e4458ec31c1d8254f01e23b2e1574b6f4 /drivers/acpi/pci_root.c | |
| parent | db61550931957ee6c7dba751662919424b4344f3 (diff) | |
| parent | 4cbe5a555fa58a79b6ecbb6c531b8bab0650778d (diff) | |
Merge tag 'v3.6-rc4' into asoc-omap
Linux 3.6-rc4
Diffstat (limited to 'drivers/acpi/pci_root.c')
| -rw-r--r-- | drivers/acpi/pci_root.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c index ec54014c321..72a2c98bc42 100644 --- a/drivers/acpi/pci_root.c +++ b/drivers/acpi/pci_root.c @@ -573,8 +573,15 @@ static int __devinit acpi_pci_root_add(struct acpi_device *device) OSC_CLOCK_PWR_CAPABILITY_SUPPORT; if (pci_msi_enabled()) flags |= OSC_MSI_SUPPORT; - if (flags != base_flags) - acpi_pci_osc_support(root, flags); + if (flags != base_flags) { + status = acpi_pci_osc_support(root, flags); + if (ACPI_FAILURE(status)) { + dev_info(root->bus->bridge, "ACPI _OSC support " + "notification failed, disabling PCIe ASPM\n"); + pcie_no_aspm(); + flags = base_flags; + } + } if (!pcie_ports_disabled && (flags & ACPI_PCIE_REQ_SUPPORT) == ACPI_PCIE_REQ_SUPPORT) { |