diff options
Diffstat (limited to 'drivers/pci/pci.c')
| -rw-r--r-- | drivers/pci/pci.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index e34fb2b3c466..b1f563916036 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -777,6 +777,12 @@ static inline pci_power_t platform_pci_get_power_state(struct pci_dev *dev) return pci_platform_pm ? pci_platform_pm->get_state(dev) : PCI_UNKNOWN; } +static inline void platform_pci_refresh_power_state(struct pci_dev *dev) +{ + if (pci_platform_pm && pci_platform_pm->refresh_state) + pci_platform_pm->refresh_state(dev); +} + static inline pci_power_t platform_pci_choose_state(struct pci_dev *dev) { return pci_platform_pm ? @@ -938,6 +944,21 @@ void pci_update_current_state(struct pci_dev *dev, pci_power_t state) } /** + * pci_refresh_power_state - Refresh the given device's power state data + * @dev: Target PCI device. + * + * Ask the platform to refresh the devices power state information and invoke + * pci_update_current_state() to update its current PCI power state. + */ +void pci_refresh_power_state(struct pci_dev *dev) +{ + if (platform_pci_power_manageable(dev)) + platform_pci_refresh_power_state(dev); + + pci_update_current_state(dev, dev->current_state); +} + +/** * pci_power_up - Put the given device into D0 forcibly * @dev: PCI device to power up */ |