xhci-pci: Allow host runtime PM as default for Intel Meteor Lake xHCI

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.

Utkarsh Patel committed 4 years ago

Commit 8ffdc531 parent 7516da41 file · +3 −1Browse files

Unified · Split

drivers/usb/host/xhci-pci.c+3−1

@@ -62,6 +62,7 @@ · 61 unmodified lines
62	62	#define PCI_DEVICE_ID_INTEL_ALDER_LAKE_N_XHCI 0x464e
63	63	#define PCI_DEVICE_ID_INTEL_ALDER_LAKE_PCH_XHCI 0x51ed
64	64	#define PCI_DEVICE_ID_INTEL_RAPTOR_LAKE_XHCI 0xa71e
	65	+#define PCI_DEVICE_ID_INTEL_METEOR_LAKE_XHCI 0x7ec0
65	66
66	67	#define PCI_DEVICE_ID_AMD_RENOIR_XHCI 0x1639
67	68	#define PCI_DEVICE_ID_AMD_PROMONTORYA_4 0x43b9
@@ -271,7 +272,8 @@ static void xhci_pci_quirks(struct device dev, struct xhci_hcd xhci) · 203 unmodified lines
271	272	pdev->device == PCI_DEVICE_ID_INTEL_ALDER_LAKE_XHCI \|\|
272	273	pdev->device == PCI_DEVICE_ID_INTEL_ALDER_LAKE_N_XHCI \|\|
273	274	pdev->device == PCI_DEVICE_ID_INTEL_ALDER_LAKE_PCH_XHCI \|\|
274		− pdev->device == PCI_DEVICE_ID_INTEL_RAPTOR_LAKE_XHCI))
	275	+ pdev->device == PCI_DEVICE_ID_INTEL_RAPTOR_LAKE_XHCI \|\|
	276	+ pdev->device == PCI_DEVICE_ID_INTEL_METEOR_LAKE_XHCI))
275	277	xhci->quirks \|= XHCI_DEFAULT_PM_RUNTIME_ALLOW;
276	278
277	279	if (pdev->vendor == PCI_VENDOR_ID_ETRON &&