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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2011-05-24 00:06:26 -0700 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2011-05-24 00:06:26 -0700 |
| commit | b73077eb03f510a84b102fb97640e595a958403c (patch) | |
| tree | 8b639000418e2756bf6baece4e00e07d2534bccc /drivers/acpi/pci_root.c | |
| parent | 28350e330cfab46b60a1dbf763b678d859f9f3d9 (diff) | |
| parent | 9d2e173644bb5c42ff1b280fbdda3f195a7cf1f7 (diff) | |
Merge branch 'next' into for-linus
Diffstat (limited to 'drivers/acpi/pci_root.c')
| -rw-r--r-- | drivers/acpi/pci_root.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c index 85249395623..f911a2f8cc3 100644 --- a/drivers/acpi/pci_root.c +++ b/drivers/acpi/pci_root.c @@ -32,6 +32,7 @@ #include <linux/pm_runtime.h> #include <linux/pci.h> #include <linux/pci-acpi.h> +#include <linux/pci-aspm.h> #include <linux/acpi.h> #include <linux/slab.h> #include <acpi/acpi_bus.h> @@ -564,7 +565,7 @@ static int __devinit acpi_pci_root_add(struct acpi_device *device) /* Indicate support for various _OSC capabilities. */ if (pci_ext_cfg_avail(root->bus->self)) flags |= OSC_EXT_PCI_CONFIG_SUPPORT; - if (pcie_aspm_enabled()) + if (pcie_aspm_support_enabled()) flags |= OSC_ACTIVE_STATE_PWR_SUPPORT | OSC_CLOCK_PWR_CAPABILITY_SUPPORT; if (pci_msi_enabled()) @@ -591,12 +592,16 @@ static int __devinit acpi_pci_root_add(struct acpi_device *device) status = acpi_pci_osc_control_set(device->handle, &flags, OSC_PCI_EXPRESS_CAP_STRUCTURE_CONTROL); - if (ACPI_SUCCESS(status)) + if (ACPI_SUCCESS(status)) { dev_info(root->bus->bridge, "ACPI _OSC control (0x%02x) granted\n", flags); - else + } 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"); + pcie_no_aspm(); + } } pci_acpi_add_bus_pm_notifier(device, root->bus); |