diff options
| author | Bjorn Helgaas <bhelgaas@google.com> | 2018-01-31 10:10:31 -0600 |
|---|---|---|
| committer | Bjorn Helgaas <helgaas@kernel.org> | 2018-01-31 10:10:31 -0600 |
| commit | 85d24b3fc22265d51aa6e8c9e73552750089fa49 (patch) | |
| tree | e44b751f729130362e22a2f57b22e8360d46614f /drivers/pci | |
| parent | 5be31686cf4752443e669f48843eed036c69f999 (diff) | |
| parent | 493fb50e958c1c6deef7feff0b8c3855def78d75 (diff) | |
| download | linux-85d24b3fc22265d51aa6e8c9e73552750089fa49.tar.bz2 | |
Merge branch 'pci/hotplug' into next
* pci/hotplug:
PCI: pciehp: Assume NoCompl+ for Thunderbolt ports
PCI: hotplug: Drop checking of PCI_BRIDGE_CONTROL in *_unconfigure_device()
Diffstat (limited to 'drivers/pci')
| -rw-r--r-- | drivers/pci/hotplug/pciehp_hpc.c | 7 | ||||
| -rw-r--r-- | drivers/pci/hotplug/pciehp_pci.c | 12 | ||||
| -rw-r--r-- | drivers/pci/hotplug/shpchp_pci.c | 12 |
3 files changed, 7 insertions, 24 deletions
diff --git a/drivers/pci/hotplug/pciehp_hpc.c b/drivers/pci/hotplug/pciehp_hpc.c index 7bab0606f1a9..a89d8b990228 100644 --- a/drivers/pci/hotplug/pciehp_hpc.c +++ b/drivers/pci/hotplug/pciehp_hpc.c @@ -848,6 +848,13 @@ struct controller *pcie_init(struct pcie_device *dev) if (pdev->hotplug_user_indicators) slot_cap &= ~(PCI_EXP_SLTCAP_AIP | PCI_EXP_SLTCAP_PIP); + /* + * We assume no Thunderbolt controllers support Command Complete events, + * but some controllers falsely claim they do. + */ + if (pdev->is_thunderbolt) + slot_cap |= PCI_EXP_SLTCAP_NCCS; + ctrl->slot_cap = slot_cap; mutex_init(&ctrl->ctrl_lock); init_waitqueue_head(&ctrl->queue); diff --git a/drivers/pci/hotplug/pciehp_pci.c b/drivers/pci/hotplug/pciehp_pci.c index 2a1ca020cf5a..acc360d1a1fb 100644 --- a/drivers/pci/hotplug/pciehp_pci.c +++ b/drivers/pci/hotplug/pciehp_pci.c @@ -79,7 +79,6 @@ int pciehp_configure_device(struct slot *p_slot) int pciehp_unconfigure_device(struct slot *p_slot) { int rc = 0; - u8 bctl = 0; u8 presence = 0; struct pci_dev *dev, *temp; struct pci_bus *parent = p_slot->ctrl->pcie->port->subordinate; @@ -101,17 +100,6 @@ int pciehp_unconfigure_device(struct slot *p_slot) list_for_each_entry_safe_reverse(dev, temp, &parent->devices, bus_list) { pci_dev_get(dev); - if (dev->hdr_type == PCI_HEADER_TYPE_BRIDGE && presence) { - pci_read_config_byte(dev, PCI_BRIDGE_CONTROL, &bctl); - if (bctl & PCI_BRIDGE_CTL_VGA) { - ctrl_err(ctrl, - "Cannot remove display device %s\n", - pci_name(dev)); - pci_dev_put(dev); - rc = -EINVAL; - break; - } - } if (!presence) { pci_dev_set_disconnected(dev, NULL); if (pci_has_subordinate(dev)) diff --git a/drivers/pci/hotplug/shpchp_pci.c b/drivers/pci/hotplug/shpchp_pci.c index ea63db58b4b1..79f1682c858e 100644 --- a/drivers/pci/hotplug/shpchp_pci.c +++ b/drivers/pci/hotplug/shpchp_pci.c @@ -78,7 +78,6 @@ int shpchp_configure_device(struct slot *p_slot) int shpchp_unconfigure_device(struct slot *p_slot) { int rc = 0; - u8 bctl = 0; struct pci_bus *parent = p_slot->ctrl->pci_dev->subordinate; struct pci_dev *dev, *temp; struct controller *ctrl = p_slot->ctrl; @@ -93,17 +92,6 @@ int shpchp_unconfigure_device(struct slot *p_slot) continue; pci_dev_get(dev); - if (dev->hdr_type == PCI_HEADER_TYPE_BRIDGE) { - pci_read_config_byte(dev, PCI_BRIDGE_CONTROL, &bctl); - if (bctl & PCI_BRIDGE_CTL_VGA) { - ctrl_err(ctrl, - "Cannot remove display device %s\n", - pci_name(dev)); - pci_dev_put(dev); - rc = -EINVAL; - break; - } - } pci_stop_and_remove_bus_device(dev); pci_dev_put(dev); } |