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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>
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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9
include/linux/pci.h
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@@ -791,6 +791,15 @@ extern void msi_remove_pci_irq_vectors(struct pci_dev *dev);
extern void pci_restore_msi_state(struct pci_dev *dev);
#endif
#ifndef CONFIG_PCIEASPM
static inline int pcie_aspm_enabled(void)
{
return 0;
}
#else
extern int pcie_aspm_enabled(void);
#endif
#ifdef CONFIG_HT_IRQ
/* The functions a driver should call */
int ht_create_irq(struct pci_dev *dev, int idx);