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ACPI/PCI: PCI MSI _OSC support capabilities called when root bridge added

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The _OSC capability OSC_MSI_SUPPORT is set when the root bridge is added
with pci_acpi_osc_support(), so we no longer need to do it in the PCI
MSI driver.  Also adds the function pci_msi_enabled, which returns true
if pci=nomsi is not on the kernel command-line.

Signed-off-by: Andrew Patterson <[email protected]>
Signed-off-by: Jesse Barnes <[email protected]>
This commit is contained in:
Andrew Patterson 2008-11-10 15:31:05 -07:00 • committed by Jesse Barnes
commit 07ae95f988
5 changed files with 18 additions and 24 deletions
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2
drivers/acpi/pci_root.c
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@ -350,6 +350,8 @@ static int __devinit acpi_pci_root_add(struct acpi_device *device)
if (pcie_aspm_enabled())
flags |= OSC_ACTIVE_STATE_PWR_SUPPORT |
OSC_CLOCK_PWR_CAPABILITY_SUPPORT;
if (pci_msi_enabled())
flags |= OSC_MSI_SUPPORT;
if (flags != base_flags)
pci_acpi_osc_support(device->handle, flags);