diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c index 032a578da5d400379f768fc887a441819e3d4b82..d9b8407ce4e827343210732a9c91fdbd7a5a881a 100644 --- a/drivers/acpi/pci_root.c +++ b/drivers/acpi/pci_root.c @@ -477,6 +477,9 @@ static void negotiate_os_control(struct acpi_pci_root *root, int *no_aspm) if (IS_ENABLED(CONFIG_HOTPLUG_PCI_PCIE)) control |= OSC_PCI_EXPRESS_NATIVE_HP_CONTROL; + if (IS_ENABLED(CONFIG_HOTPLUG_PCI_SHPC)) + control |= OSC_PCI_SHPC_NATIVE_HP_CONTROL; + if (pci_aer_available()) { if (aer_acpi_firmware_first()) dev_info(&device->dev, @@ -903,6 +906,8 @@ struct pci_bus *acpi_pci_root_create(struct acpi_pci_root *root, host_bridge = to_pci_host_bridge(bus->bridge); if (!(root->osc_control_set & OSC_PCI_EXPRESS_NATIVE_HP_CONTROL)) host_bridge->native_pcie_hotplug = 0; + if (!(root->osc_control_set & OSC_PCI_SHPC_NATIVE_HP_CONTROL)) + host_bridge->native_shpc_hotplug = 0; if (!(root->osc_control_set & OSC_PCI_EXPRESS_AER_CONTROL)) host_bridge->native_aer = 0; if (!(root->osc_control_set & OSC_PCI_EXPRESS_PME_CONTROL)) diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c index eba2b17d2d80c49c668f507ce027e0deedd270ed..91712b2ee2c60796d63d3ba66261883b672e22c7 100644 --- a/drivers/pci/probe.c +++ b/drivers/pci/probe.c @@ -553,6 +553,7 @@ struct pci_host_bridge *pci_alloc_host_bridge(size_t priv) */ bridge->native_aer = 1; bridge->native_pcie_hotplug = 1; + bridge->native_shpc_hotplug = 1; bridge->native_pme = 1; return bridge; diff --git a/include/linux/pci.h b/include/linux/pci.h index 3f009003706aa90d93b1cc0a98797a6276240e19..a4968cdb5f33480d621982b6ed757da26e84c195 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -475,6 +475,7 @@ struct pci_host_bridge { unsigned int no_ext_tags:1; /* No Extended Tags */ unsigned int native_aer:1; /* OS may use PCIe AER */ unsigned int native_pcie_hotplug:1; /* OS may use PCIe hotplug */ + unsigned int native_shpc_hotplug:1; /* OS may use SHPC hotplug */ unsigned int native_pme:1; /* OS may use PCIe PME */ /* Resource alignment requirements */ resource_size_t (*align_resource)(struct pci_dev *dev,