Commit 8ffdc53a authored by Utkarsh Patel's avatar Utkarsh Patel Committed by Greg Kroah-Hartman
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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.

Cc: stable@kernel.org
Signed-off-by: default avatarUtkarsh Patel <utkarsh.h.patel@intel.com>
Signed-off-by: default avatarMathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20220623111945.1557702-5-mathias.nyman@linux.intel.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 7516da47

drivers/usb/host/xhci-pci.c

+3 −1
Original line number Diff line number Diff line
@@ -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_RENOIR_XHCI			0x1639

#define PCI_DEVICE_ID_AMD_PROMONTORYA_4			0x43b9
@@ -271,7 +272,8 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci) 
	     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 &&