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path: root/drivers/acpi/pci_root.c
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Diffstat (limited to 'drivers/acpi/pci_root.c')
-rw-r--r--drivers/acpi/pci_root.c14
1 files changed, 10 insertions, 4 deletions
diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c
index f911a2f..d06078d 100644
--- a/drivers/acpi/pci_root.c
+++ b/drivers/acpi/pci_root.c
@@ -596,12 +596,18 @@ static int __devinit acpi_pci_root_add(struct acpi_device *device)
dev_info(root->bus->bridge,
"ACPI _OSC control (0x%02x) granted\n", flags);
} else {
- dev_dbg(root->bus->bridge,
- "ACPI _OSC request failed (code %d)\n", status);
- printk(KERN_INFO "Unable to assume _OSC PCIe control. "
- "Disabling ASPM\n");
+ dev_info(root->bus->bridge,
+ "ACPI _OSC request failed (%s), "
+ "returned control mask: 0x%02x\n",
+ acpi_format_exception(status), flags);
+ pr_info("ACPI _OSC control for PCIe not granted, "
+ "disabling ASPM\n");
pcie_no_aspm();
}
+ } else {
+ dev_info(root->bus->bridge,
+ "Unable to request _OSC control "
+ "(_OSC support mask: 0x%02x)\n", flags);
}
pci_acpi_add_bus_pm_notifier(device, root->bus);