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authorTomi Valkeinen <tomi.valkeinen@ti.com>2012-09-03 09:26:33 +0300
committerTomi Valkeinen <tomi.valkeinen@ti.com>2012-09-03 09:26:33 +0300
commitc50e86ce7c2961a41f2f7aa6e4fd6c99229ba205 (patch)
tree4ea36009719bd8fc523239fe1bdccb90f0dce3ae /drivers/acpi/pci_root.c
parent14d33d384693eb6083396199de516fdef320f7af (diff)
parent4cbe5a555fa58a79b6ecbb6c531b8bab0650778d (diff)
Merge tag 'v3.6-rc4'
Merge 3.6-rc4 to get latest OMAP and device tree fixes.
Diffstat (limited to 'drivers/acpi/pci_root.c')
-rw-r--r--drivers/acpi/pci_root.c13
1 files changed, 11 insertions, 2 deletions
diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c
index 7aff6312ce7..72a2c98bc42 100644
--- a/drivers/acpi/pci_root.c
+++ b/drivers/acpi/pci_root.c
@@ -505,6 +505,8 @@ static int __devinit acpi_pci_root_add(struct acpi_device *device)
strcpy(acpi_device_class(device), ACPI_PCI_ROOT_CLASS);
device->driver_data = root;
+ root->mcfg_addr = acpi_pci_root_get_mcfg_addr(device->handle);
+
/*
* All supported architectures that use ACPI have support for
* PCI domains, so we indicate this in _OSC support capabilities.
@@ -571,8 +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) {