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-rw-r--r--drivers/acpi/pci_root.c2
-rw-r--r--include/linux/acpi.h3
2 files changed, 4 insertions, 1 deletions
diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c
index 707aafc7c2aa..c36781a9b493 100644
--- a/drivers/acpi/pci_root.c
+++ b/drivers/acpi/pci_root.c
@@ -145,6 +145,7 @@ static struct pci_osc_bit_struct pci_osc_support_bit[] = {
{ OSC_PCI_CLOCK_PM_SUPPORT, "ClockPM" },
{ OSC_PCI_SEGMENT_GROUPS_SUPPORT, "Segments" },
{ OSC_PCI_MSI_SUPPORT, "MSI" },
+ { OSC_PCI_HPX_TYPE_3_SUPPORT, "HPX-Type3" },
};
static struct pci_osc_bit_struct pci_osc_control_bit[] = {
@@ -446,6 +447,7 @@ static void negotiate_os_control(struct acpi_pci_root *root, int *no_aspm,
* PCI domains, so we indicate this in _OSC support capabilities.
*/
support = OSC_PCI_SEGMENT_GROUPS_SUPPORT;
+ support |= OSC_PCI_HPX_TYPE_3_SUPPORT;
if (pci_ext_cfg_avail())
support |= OSC_PCI_EXT_CONFIG_SUPPORT;
if (pcie_aspm_support_enabled())
diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index d5dcebd7aad3..b84bcd705fe1 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -513,7 +513,8 @@ extern bool osc_pc_lpi_support_confirmed;
#define OSC_PCI_CLOCK_PM_SUPPORT 0x00000004
#define OSC_PCI_SEGMENT_GROUPS_SUPPORT 0x00000008
#define OSC_PCI_MSI_SUPPORT 0x00000010
-#define OSC_PCI_SUPPORT_MASKS 0x0000001f
+#define OSC_PCI_HPX_TYPE_3_SUPPORT 0x00000100
+#define OSC_PCI_SUPPORT_MASKS 0x0000011f
/* PCI Host Bridge _OSC: Capabilities DWORD 3: Control Field */
#define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 0x00000001