diff options
Diffstat (limited to 'drivers/pci/pci.c')
| -rw-r--r-- | drivers/pci/pci.c | 25 |
1 files changed, 10 insertions, 15 deletions
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index b099e0025d2..a899d8bb190 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -646,15 +646,11 @@ static int pci_platform_power_transition(struct pci_dev *dev, pci_power_t state) error = platform_pci_set_power_state(dev, state); if (!error) pci_update_current_state(dev, state); - /* Fall back to PCI_D0 if native PM is not supported */ - if (!dev->pm_cap) - dev->current_state = PCI_D0; - } else { + } else error = -ENODEV; - /* Fall back to PCI_D0 if native PM is not supported */ - if (!dev->pm_cap) - dev->current_state = PCI_D0; - } + + if (error && !dev->pm_cap) /* Fall back to PCI_D0 */ + dev->current_state = PCI_D0; return error; } @@ -1575,7 +1571,7 @@ void pci_pme_active(struct pci_dev *dev, bool enable) { u16 pmcsr; - if (!dev->pm_cap) + if (!dev->pme_support) return; pci_read_config_word(dev, dev->pm_cap + PCI_PM_CTRL, &pmcsr); @@ -1924,6 +1920,7 @@ void pci_pm_init(struct pci_dev *dev) dev->wakeup_prepared = false; dev->pm_cap = 0; + dev->pme_support = 0; /* find PCI PM capability in list */ pm = pci_find_capability(dev, PCI_CAP_ID_PM); @@ -1975,8 +1972,6 @@ void pci_pm_init(struct pci_dev *dev) device_set_wakeup_capable(&dev->dev, true); /* Disable the PME# generation functionality */ pci_pme_active(dev, false); - } else { - dev->pme_support = 0; } } @@ -2619,7 +2614,7 @@ void pci_release_selected_regions(struct pci_dev *pdev, int bars) pci_release_region(pdev, i); } -int __pci_request_selected_regions(struct pci_dev *pdev, int bars, +static int __pci_request_selected_regions(struct pci_dev *pdev, int bars, const char *res_name, int excl) { int i; @@ -3699,7 +3694,7 @@ static DEFINE_SPINLOCK(resource_alignment_lock); * RETURNS: Resource alignment if it is specified. * Zero if it is not specified. */ -resource_size_t pci_specified_resource_alignment(struct pci_dev *dev) +static resource_size_t pci_specified_resource_alignment(struct pci_dev *dev) { int seg, bus, slot, func, align_order, count; resource_size_t align = 0; @@ -3812,7 +3807,7 @@ void pci_reassigndev_resource_alignment(struct pci_dev *dev) } } -ssize_t pci_set_resource_alignment_param(const char *buf, size_t count) +static ssize_t pci_set_resource_alignment_param(const char *buf, size_t count) { if (count > RESOURCE_ALIGNMENT_PARAM_SIZE - 1) count = RESOURCE_ALIGNMENT_PARAM_SIZE - 1; @@ -3823,7 +3818,7 @@ ssize_t pci_set_resource_alignment_param(const char *buf, size_t count) return count; } -ssize_t pci_get_resource_alignment_param(char *buf, size_t size) +static ssize_t pci_get_resource_alignment_param(char *buf, size_t size) { size_t count; spin_lock(&resource_alignment_lock); |