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| author | Chris Metcalf <cmetcalf@tilera.com> | 2010-08-06 10:37:02 -0400 |
|---|---|---|
| committer | Chris Metcalf <cmetcalf@tilera.com> | 2010-08-06 10:37:02 -0400 |
| commit | ab11b487402f97975f3ac1eeea09c82f4431481e (patch) | |
| tree | 86337c5cbbd2b0c4bd07c0847a1dc7de3d898147 /drivers/pci/pci.c | |
| parent | 1c689cbcf2c2b7a35cd237abddd9206bb1b6fee1 (diff) | |
| parent | fc1caf6eafb30ea185720e29f7f5eccca61ecd60 (diff) | |
| download | linux-ab11b487402f97975f3ac1eeea09c82f4431481e.tar.gz linux-ab11b487402f97975f3ac1eeea09c82f4431481e.tar.bz2 linux-ab11b487402f97975f3ac1eeea09c82f4431481e.zip | |
Merge branch 'master' into for-linus
Diffstat (limited to 'drivers/pci/pci.c')
| -rw-r--r-- | drivers/pci/pci.c | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 740fb4ea9669..130ed1daf0f8 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -1275,6 +1275,22 @@ bool pci_check_pme_status(struct pci_dev *dev) return ret; } +/* + * Time to wait before the system can be put into a sleep state after reporting + * a wakeup event signaled by a PCI device. + */ +#define PCI_WAKEUP_COOLDOWN 100 + +/** + * pci_wakeup_event - Report a wakeup event related to a given PCI device. + * @dev: Device to report the wakeup event for. + */ +void pci_wakeup_event(struct pci_dev *dev) +{ + if (device_may_wakeup(&dev->dev)) + pm_wakeup_event(&dev->dev, PCI_WAKEUP_COOLDOWN); +} + /** * pci_pme_wakeup - Wake up a PCI device if its PME Status bit is set. * @dev: Device to handle. @@ -1285,8 +1301,10 @@ bool pci_check_pme_status(struct pci_dev *dev) */ static int pci_pme_wakeup(struct pci_dev *dev, void *ign) { - if (pci_check_pme_status(dev)) + if (pci_check_pme_status(dev)) { pm_request_resume(&dev->dev); + pci_wakeup_event(dev); + } return 0; } |