diff options
Diffstat (limited to 'drivers/pci/probe.c')
| -rw-r--r-- | drivers/pci/probe.c | 47 |
1 files changed, 3 insertions, 44 deletions
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c index 2f0ae70710d6..b1724cf31b66 100644 --- a/drivers/pci/probe.c +++ b/drivers/pci/probe.c @@ -860,49 +860,6 @@ int pci_cfg_space_size_ext(struct pci_dev *dev) return PCI_CFG_SPACE_SIZE; } -/** - * pci_disable_pme - Disable the PME function of PCI device - * @dev: PCI device affected - * -EINVAL is returned if PCI device doesn't support PME. - * Zero is returned if the PME is supported and can be disabled. - */ -static int pci_disable_pme(struct pci_dev *dev) -{ - int pm; - u16 value; - - /* find PCI PM capability in list */ - pm = pci_find_capability(dev, PCI_CAP_ID_PM); - - /* If device doesn't support PM Capabilities, it means that PME is - * not supported. - */ - if (!pm) - return -EINVAL; - /* Check device's ability to generate PME# */ - pci_read_config_word(dev, pm + PCI_PM_PMC, &value); - - value &= PCI_PM_CAP_PME_MASK; - /* Check if it can generate PME# */ - if (!value) { - /* - * If it is zero, it means that PME is still unsupported - * although there exists the PM capability. - */ - return -EINVAL; - } - - pci_read_config_word(dev, pm + PCI_PM_CTRL, &value); - - /* Clear PME_Status by writing 1 to it */ - value |= PCI_PM_CTRL_PME_STATUS ; - /* Disable PME enable bit */ - value &= ~PCI_PM_CTRL_PME_ENABLE; - pci_write_config_word(dev, pm + PCI_PM_CTRL, value); - - return 0; -} - int pci_cfg_space_size(struct pci_dev *dev) { int pos; @@ -1010,7 +967,6 @@ static struct pci_dev *pci_scan_device(struct pci_bus *bus, int devfn) } pci_vpd_pci22_init(dev); - pci_disable_pme(dev); return dev; } @@ -1031,6 +987,9 @@ void pci_device_add(struct pci_dev *dev, struct pci_bus *bus) /* Fix up broken headers */ pci_fixup_device(pci_fixup_header, dev); + /* Initialize power management of the device */ + pci_pm_init(dev); + /* * Add the device to our list of discovered devices * and the bus list for fixup functions, etc. |