| Message ID | 1596478284-69661-3-git-send-email-raymond.tan@intel.com |
|---|---|
| State | New |
| Headers | show |
| Series | usb: dwc3: pci: Allow Elkhart Lake to utilize DSM method for PM functionality | expand |
diff --git a/drivers/usb/dwc3/dwc3-pci.c b/drivers/usb/dwc3/dwc3-pci.c index 4f436b3..4d50187 100644 --- a/drivers/usb/dwc3/dwc3-pci.c +++ b/drivers/usb/dwc3/dwc3-pci.c @@ -149,7 +149,8 @@ static int dwc3_pci_quirks(struct dwc3_pci *dwc) if (pdev->vendor == PCI_VENDOR_ID_INTEL) { if (pdev->device == PCI_DEVICE_ID_INTEL_BXT || - pdev->device == PCI_DEVICE_ID_INTEL_BXT_M) { + pdev->device == PCI_DEVICE_ID_INTEL_BXT_M || + pdev->device == PCI_DEVICE_ID_INTEL_EHL) { guid_parse(PCI_INTEL_BXT_DSM_GUID, &dwc->guid); dwc->has_dsm_for_pm = true; }
Similar to some other IA platforms, Elkhart Lake too depends on the PMU register write to request transition of Dx power state. Thus, we add the PCI_DEVICE_ID_INTEL_EHL to the list of devices that shall execute the ACPI _DSM method during D0/D3 sequence. Signed-off-by: Raymond Tan <raymond.tan@intel.com> --- drivers/usb/dwc3/dwc3-pci.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)