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xhci: Allow host runtime PM as default for Intel Alder Lake N xHCI
commit 74f55a62c4
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@kernel.org
Suggested-by: Gopal Vamshi Krishna <vamshi.krishna.gopal@intel.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20220511220450.85367-10-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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1 changed files with 2 additions and 0 deletions
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@ -59,6 +59,7 @@
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#define PCI_DEVICE_ID_INTEL_TIGER_LAKE_XHCI 0x9a13
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#define PCI_DEVICE_ID_INTEL_MAPLE_RIDGE_XHCI 0x1138
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#define PCI_DEVICE_ID_INTEL_ALDER_LAKE_XHCI 0x461e
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#define PCI_DEVICE_ID_INTEL_ALDER_LAKE_N_XHCI 0x464e
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#define PCI_DEVICE_ID_INTEL_ALDER_LAKE_PCH_XHCI 0x51ed
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#define PCI_DEVICE_ID_AMD_PROMONTORYA_4 0x43b9
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@ -263,6 +264,7 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci)
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pdev->device == PCI_DEVICE_ID_INTEL_TIGER_LAKE_XHCI ||
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pdev->device == PCI_DEVICE_ID_INTEL_MAPLE_RIDGE_XHCI ||
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pdev->device == PCI_DEVICE_ID_INTEL_ALDER_LAKE_XHCI ||
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pdev->device == PCI_DEVICE_ID_INTEL_ALDER_LAKE_N_XHCI ||
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pdev->device == PCI_DEVICE_ID_INTEL_ALDER_LAKE_PCH_XHCI))
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xhci->quirks |= XHCI_DEFAULT_PM_RUNTIME_ALLOW;
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