diff options
Diffstat (limited to 'drivers/pci/pci.c')
| -rw-r--r-- | drivers/pci/pci.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index d86351a2fe6e..1eb622cc8645 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -2245,13 +2245,10 @@ bool pci_bridge_d3_possible(struct pci_dev *bridge) return false; /* - * Hotplug interrupts cannot be delivered if the link is down, - * so parents of a hotplug port must stay awake. In addition, - * hotplug ports handled by firmware in System Management Mode + * Hotplug ports handled by firmware in System Management Mode * may not be put into D3 by the OS (Thunderbolt on non-Macs). - * For simplicity, disallow in general for now. */ - if (bridge->is_hotplug_bridge) + if (bridge->is_hotplug_bridge && !pciehp_is_native(bridge)) return false; if (pci_bridge_d3_force) @@ -2283,7 +2280,10 @@ static int pci_dev_check_d3cold(struct pci_dev *dev, void *data) !pci_pme_capable(dev, PCI_D3cold)) || /* If it is a bridge it must be allowed to go to D3. */ - !pci_power_manageable(dev)) + !pci_power_manageable(dev) || + + /* Hotplug interrupts cannot be delivered if the link is down. */ + dev->is_hotplug_bridge) *d3cold_ok = false; |