On 11.10.2021 15.59, Shah, Nehal-bakulchandra wrote: > Hi > > On 9/20/2021 9:11 PM, Nehal Bakulchandra Shah wrote: >> AMD's Yellow Carp platform supports runtime power management for >> XHCI Controllers, so enable the same by default for all XHCI Controllers. >> >> Signed-off-by: Nehal Bakulchandra Shah <Nehal-Bakulchandra.shah@xxxxxxx> >> Reviewed-by: Shyam Sundar S K <Shyam-sundar.S-k@xxxxxxx> >> Reviewed-by: Mario Limonciello <mario.limonciello@xxxxxxx> >> Reviewed-by: Basavaraj Natikar <Basavaraj.Natikar@xxxxxxx> >> --- >> drivers/usb/host/xhci-pci.c | 15 +++++++++++++++ >> 1 file changed, 15 insertions(+) >> >> diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c >> index 2c9f25ca8edd..0e571d6af2ab 100644 >> --- a/drivers/usb/host/xhci-pci.c >> +++ b/drivers/usb/host/xhci-pci.c >> @@ -69,6 +69,12 @@ >> #define PCI_DEVICE_ID_ASMEDIA_1142_XHCI 0x1242 >> #define PCI_DEVICE_ID_ASMEDIA_2142_XHCI 0x2142 >> #define PCI_DEVICE_ID_ASMEDIA_3242_XHCI 0x3242 >> +#define PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_1 0x161a >> +#define PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_2 0x161b >> +#define PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_3 0x161d >> +#define PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_4 0x161e >> +#define PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_5 0x15d6 >> +#define PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_6 0x15d7 >> static const char hcd_name[] = "xhci_hcd"; >> @@ -313,6 +319,15 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci) >> pdev->device == PCI_DEVICE_ID_AMD_PROMONTORYA_4)) >> xhci->quirks |= XHCI_NO_SOFT_RETRY; >> + if (pdev->vendor == PCI_VENDOR_ID_AMD && >> + (pdev->device == PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_1 || >> + pdev->device == PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_2 || >> + pdev->device == PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_3 || >> + pdev->device == PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_4 || >> + pdev->device == PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_5 || >> + pdev->device == PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_6)) >> + xhci->quirks |= XHCI_DEFAULT_PM_RUNTIME_ALLOW; >> + >> if (xhci->quirks & XHCI_RESET_ON_RESUME) >> xhci_dbg_trace(xhci, trace_xhci_dbg_quirks, >> "QUIRK: Resetting on resume"); >> > > ping > Now sent forward to Greg, thanks -Mathias
