提交 2ce26459 编写于 作者: U Utkarsh Patel 提交者: Zheng Zengkai

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

stable inclusion
from stable-v5.10.127
commit d87dec22fdf51920be1739aca2e8c901d878017c
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I5XDDK

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=d87dec22fdf51920be1739aca2e8c901d878017c

--------------------------------

commit 8ffdc53a upstream.

Meteor Lake TCSS(Type-C Subsystem) xHCI needs to be runtime suspended
whenever possible to allow the TCSS hardware block to enter D3cold and
thus save energy.

Cc: stable@kernel.org
Signed-off-by: NUtkarsh Patel <utkarsh.h.patel@intel.com>
Signed-off-by: NMathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20220623111945.1557702-5-mathias.nyman@linux.intel.comSigned-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: NZheng Zengkai <zhengzengkai@huawei.com>
Reviewed-by: NWei Li <liwei391@huawei.com>
上级 93e16469
......@@ -62,6 +62,7 @@
#define PCI_DEVICE_ID_INTEL_ALDER_LAKE_N_XHCI 0x464e
#define PCI_DEVICE_ID_INTEL_ALDER_LAKE_PCH_XHCI 0x51ed
#define PCI_DEVICE_ID_INTEL_RAPTOR_LAKE_XHCI 0xa71e
#define PCI_DEVICE_ID_INTEL_METEOR_LAKE_XHCI 0x7ec0
#define PCI_DEVICE_ID_AMD_PROMONTORYA_4 0x43b9
#define PCI_DEVICE_ID_AMD_PROMONTORYA_3 0x43ba
......@@ -267,7 +268,8 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *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 ||
pdev->device == PCI_DEVICE_ID_INTEL_RAPTOR_LAKE_XHCI))
pdev->device == PCI_DEVICE_ID_INTEL_RAPTOR_LAKE_XHCI ||
pdev->device == PCI_DEVICE_ID_INTEL_METEOR_LAKE_XHCI))
xhci->quirks |= XHCI_DEFAULT_PM_RUNTIME_ALLOW;
if (pdev->vendor == PCI_VENDOR_ID_ETRON &&
......
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