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: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20200312144517.1593-10-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
index b98a1b54db56eab252671fb0064d350c73a7eba6..b60f4afd4aefadafd6122f0d4fd2a37e48639d90 100644 (file)
--- a/drivers/usb/host/xhci-pci.c
+++ b/drivers/usb/host/xhci-pci.c
@@ -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 &&