xhci: Enable runtime PM on second Alderlake controller
authorEvan Green <evgreen@chromium.org>
Fri, 8 Apr 2022 18:42:50 +0000 (11:42 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Mon, 9 May 2022 07:14:27 +0000 (09:14 +0200)
commit d8bfe5091d6cc4b8b8395e4666979ae72a6069ca upstream.

Alderlake has two XHCI controllers with PCI IDs 0x461e and 0x51ed. We
had previously added the quirk to default enable runtime PM for 0x461e,
now add it for 0x51ed as well.

Signed-off-by: Evan Green <evgreen@chromium.org>
Cc: stable <stable@kernel.org>
Link: https://lore.kernel.org/r/20220408114225.1.Ibcff6b86ed4eacfe4c4bc89c90e18416f3900a3e@changeid
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/usb/host/xhci-pci.c

index de9a9ea..cb8b481 100644 (file)
@@ -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_PCH_XHCI        0x51ed
 
 #define PCI_DEVICE_ID_AMD_RENOIR_XHCI                  0x1639
 #define PCI_DEVICE_ID_AMD_PROMONTORYA_4                        0x43b9
@@ -266,7 +267,8 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci)
             pdev->device == PCI_DEVICE_ID_INTEL_ICE_LAKE_XHCI ||
             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_XHCI ||
+            pdev->device == PCI_DEVICE_ID_INTEL_ALDER_LAKE_PCH_XHCI))
                xhci->quirks |= XHCI_DEFAULT_PM_RUNTIME_ALLOW;
 
        if (pdev->vendor == PCI_VENDOR_ID_ETRON &&