diff options
| -rw-r--r-- | drivers/pci/pci-driver.c | 17 | ||||
| -rw-r--r-- | drivers/pci/pci.c | 21 | ||||
| -rw-r--r-- | drivers/pci/pci.h | 1 |
3 files changed, 17 insertions, 22 deletions
diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c index a5f11ad..8395206 100644 --- a/drivers/pci/pci-driver.c +++ b/drivers/pci/pci-driver.c @@ -423,6 +423,23 @@ static int pci_legacy_resume(struct device *dev) /* Auxiliary functions used by the new power management framework */ +/** + * pci_restore_standard_config - restore standard config registers of PCI device + * @pci_dev: PCI device to handle + */ +static int pci_restore_standard_config(struct pci_dev *pci_dev) +{ + pci_update_current_state(pci_dev, PCI_UNKNOWN); + + if (pci_dev->current_state != PCI_D0) { + int error = pci_set_power_state(pci_dev, PCI_D0); + if (error) + return error; + } + + return pci_dev->state_saved ? pci_restore_state(pci_dev) : 0; +} + static void pci_pm_default_resume_noirq(struct pci_dev *pci_dev) { pci_restore_standard_config(pci_dev); diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 3acb1da..a4ecc2f 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -1374,27 +1374,6 @@ void pci_allocate_cap_save_buffers(struct pci_dev *dev) } /** - * pci_restore_standard_config - restore standard config registers of PCI device - * @dev: PCI device to handle - * - * This function assumes that the device's configuration space is accessible. - * If the device needs to be powered up, the function will wait for it to - * change the state. - */ -int pci_restore_standard_config(struct pci_dev *dev) -{ - pci_update_current_state(dev, PCI_UNKNOWN); - - if (dev->current_state != PCI_D0) { - int error = pci_set_power_state(dev, PCI_D0); - if (error) - return error; - } - - return dev->state_saved ? pci_restore_state(dev) : 0; -} - -/** * pci_enable_ari - enable ARI forwarding if hardware support it * @dev: the PCI device */ diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h index 07c0aa5..149fff6 100644 --- a/drivers/pci/pci.h +++ b/drivers/pci/pci.h @@ -49,7 +49,6 @@ extern void pci_disable_enabled_device(struct pci_dev *dev); extern void pci_pm_init(struct pci_dev *dev); extern void platform_pci_wakeup_init(struct pci_dev *dev); extern void pci_allocate_cap_save_buffers(struct pci_dev *dev); -extern int pci_restore_standard_config(struct pci_dev *dev); static inline bool pci_is_bridge(struct pci_dev *pci_dev) { |