[PATCH 5.15 030/667] xhci: Allow host runtime PM as default for Intel Alder Lake N xHCI

[Greg Kroah-Hartman]

From: Mathias Nyman <mathias.nyman@xxxxxxxxxxxxxxx>

commit 74f55a62c4c354f43a6d75f77dd184c4f57b9a26 upstream.

Alder Lake N TCSS xHCI needs to be runtime suspended whenever possible
to allow the TCSS hardware block to enter D3 and thus save energy

Cc: stable@xxxxxxxxxx
Suggested-by: Gopal Vamshi Krishna <vamshi.krishna.gopal@xxxxxxxxx>
Signed-off-by: Mathias Nyman <mathias.nyman@xxxxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20220511220450.85367-10-mathias.nyman@xxxxxxxxxxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 drivers/usb/host/xhci-pci.c |    2 ++
 1 file changed, 2 insertions(+)

--- a/drivers/usb/host/xhci-pci.c
+++ b/drivers/usb/host/xhci-pci.c
@@ -59,6 +59,7 @@
 #define PCI_DEVICE_ID_INTEL_TIGER_LAKE_XHCI		0x9a13
 #define PCI_DEVICE_ID_INTEL_MAPLE_RIDGE_XHCI		0x1138
 #define PCI_DEVICE_ID_INTEL_ALDER_LAKE_XHCI		0x461e
+#define PCI_DEVICE_ID_INTEL_ALDER_LAKE_N_XHCI		0x464e
 #define PCI_DEVICE_ID_INTEL_ALDER_LAKE_PCH_XHCI	0x51ed
 
 #define PCI_DEVICE_ID_AMD_RENOIR_XHCI			0x1639
@@ -268,6 +269,7 @@ static void xhci_pci_quirks(struct devic
 	     pdev->device == PCI_DEVICE_ID_INTEL_TIGER_LAKE_XHCI ||
 	     pdev->device == PCI_DEVICE_ID_INTEL_MAPLE_RIDGE_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))
 		xhci->quirks |= XHCI_DEFAULT_PM_RUNTIME_ALLOW;