diff options
| author | Rafael J. Wysocki <rjw@sisk.pl> | 2009-01-07 12:10:35 (GMT) |
|---|---|---|
| committer | Jesse Barnes <jbarnes@virtuousgeek.org> | 2009-01-07 19:18:04 (GMT) |
| commit | 98e6e286d7b01deb7453b717aa38ebb69d6cefc0 (patch) | |
| tree | 3dbaf0cdc71a779f6f1d3bed8f9fd17eeabb97cd /drivers/pci | |
| parent | ad8cfa1defee14a5181d9b63e666318c51cfaeed (diff) | |
| download | linux-fsl-qoriq-98e6e286d7b01deb7453b717aa38ebb69d6cefc0.tar.xz | |
PCI PM: Register power state of devices during initialization
Use the observation that the power state of a PCI device can be
loaded into its pci_dev structure as soon as pci_pm_init() is run for
it and make that happen.
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Acked-by: Pavel Machek <pavel@suse.cz>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Diffstat (limited to 'drivers/pci')
| -rw-r--r-- | drivers/pci/pci.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index e491fde..c12f6c7 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -1260,14 +1260,15 @@ void pci_pm_init(struct pci_dev *dev) /* find PCI PM capability in list */ pm = pci_find_capability(dev, PCI_CAP_ID_PM); if (!pm) - return; + goto Exit; + /* Check device's ability to generate PME# */ pci_read_config_word(dev, pm + PCI_PM_PMC, &pmc); if ((pmc & PCI_PM_CAP_VER_MASK) > 3) { dev_err(&dev->dev, "unsupported PM cap regs version (%u)\n", pmc & PCI_PM_CAP_VER_MASK); - return; + goto Exit; } dev->pm_cap = pm; @@ -1306,6 +1307,9 @@ void pci_pm_init(struct pci_dev *dev) } else { dev->pme_support = 0; } + + Exit: + pci_update_current_state(dev, PCI_D0); } /** |