Commit 6a7c533d authored by Mika Westerberg's avatar Mika Westerberg Committed by Greg Kroah-Hartman
Browse files

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



In the same way as Intel Ice Lake TCSS (Type-C Subsystem) the Tiger Lake
TCSS xHCI needs to be runtime suspended whenever possible to allow the
TCSS hardware block to enter D3cold and thus save energy.

Signed-off-by: default avatarMika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: default avatarMathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20200312144517.1593-10-mathias.nyman@linux.intel.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent ceca4938

drivers/usb/host/xhci-pci.c

+3 −1
Original line number Diff line number Diff line
@@ -50,6 +50,7 @@ 
#define PCI_DEVICE_ID_INTEL_TITAN_RIDGE_DD_XHCI		0x15f0

#define PCI_DEVICE_ID_INTEL_ICE_LAKE_XHCI		0x8a13

#define PCI_DEVICE_ID_INTEL_CML_XHCI			0xa3af

#define PCI_DEVICE_ID_INTEL_TIGER_LAKE_XHCI		0x9a13



#define PCI_DEVICE_ID_AMD_PROMONTORYA_4			0x43b9

#define PCI_DEVICE_ID_AMD_PROMONTORYA_3			0x43ba
@@ -216,7 +217,8 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci) 
	     pdev->device == PCI_DEVICE_ID_INTEL_TITAN_RIDGE_2C_XHCI ||

	     pdev->device == PCI_DEVICE_ID_INTEL_TITAN_RIDGE_4C_XHCI ||

	     pdev->device == PCI_DEVICE_ID_INTEL_TITAN_RIDGE_DD_XHCI ||

	     pdev->device == PCI_DEVICE_ID_INTEL_ICE_LAKE_XHCI))

	     pdev->device == PCI_DEVICE_ID_INTEL_ICE_LAKE_XHCI ||

	     pdev->device == PCI_DEVICE_ID_INTEL_TIGER_LAKE_XHCI))

		xhci->quirks |= XHCI_DEFAULT_PM_RUNTIME_ALLOW;



	if (pdev->vendor == PCI_VENDOR_ID_ETRON &&

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