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

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The _OSC capabilities OSC_ACTIVE_STATE_PWR_SUPPORT and
OSC_CLOCK_PWR_CAPABILITY_SUPPORT are set when the root bridge is added
with pci_acpi_osc_support(), so we no longer need to do it in the ASPM
driver.  Also add the function pcie_aspm_enabled, which returns true if
pcie_aspm=off is not on the kernel command-line.

Signed-off-by: Andrew Patterson <andrew.patterson@hp.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>

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This commit is contained in:

Andrew Patterson 2008-11-10 15:30:55 -07:00 • committed by Jesse Barnes

parent 0ef5f8f615

commit 3e1b16002a

3 changed files with 21 additions and 18 deletions

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3

drivers/acpi/pci_root.c

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27

drivers/pci/pcie/aspm.c

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9

include/linux/pci.h

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