From: Utkarsh Patel utkarsh.h.patel@intel.com
commit 8ffdc53a60049f3930afe161dc51c67959c8d83d upstream.
Meteor Lake TCSS(Type-C Subsystem) xHCI needs to be runtime suspended whenever possible to allow the TCSS hardware block to enter D3cold and thus save energy.
Cc: stable@kernel.org Signed-off-by: Utkarsh Patel utkarsh.h.patel@intel.com Signed-off-by: Mathias Nyman mathias.nyman@linux.intel.com Link: https://lore.kernel.org/r/20220623111945.1557702-5-mathias.nyman@linux.intel... Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/usb/host/xhci-pci.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
--- a/drivers/usb/host/xhci-pci.c +++ b/drivers/usb/host/xhci-pci.c @@ -62,6 +62,7 @@ #define PCI_DEVICE_ID_INTEL_ALDER_LAKE_N_XHCI 0x464e #define PCI_DEVICE_ID_INTEL_ALDER_LAKE_PCH_XHCI 0x51ed #define PCI_DEVICE_ID_INTEL_RAPTOR_LAKE_XHCI 0xa71e +#define PCI_DEVICE_ID_INTEL_METEOR_LAKE_XHCI 0x7ec0
#define PCI_DEVICE_ID_AMD_PROMONTORYA_4 0x43b9 #define PCI_DEVICE_ID_AMD_PROMONTORYA_3 0x43ba @@ -267,7 +268,8 @@ static void xhci_pci_quirks(struct devic pdev->device == PCI_DEVICE_ID_INTEL_ALDER_LAKE_XHCI || pdev->device == PCI_DEVICE_ID_INTEL_ALDER_LAKE_N_XHCI || pdev->device == PCI_DEVICE_ID_INTEL_ALDER_LAKE_PCH_XHCI || - pdev->device == PCI_DEVICE_ID_INTEL_RAPTOR_LAKE_XHCI)) + pdev->device == PCI_DEVICE_ID_INTEL_RAPTOR_LAKE_XHCI || + pdev->device == PCI_DEVICE_ID_INTEL_METEOR_LAKE_XHCI)) xhci->quirks |= XHCI_DEFAULT_PM_RUNTIME_ALLOW;
if (pdev->vendor == PCI_VENDOR_ID_ETRON &&