Enable runtime PM by default for older AMD 1022:43f7 xHCI 1.1 host as it is proven to work. Driver enables runtime PM by default for newer xHCI 1.2 host. Link: https://lore.kernel.org/all/12335218.O9o76ZdvQC@xxxxxxxxxxxxxx/ Cc: Mario Limonciello <mario.limonciello@xxxxxxx> Tested-by: Oleksandr Natalenko <oleksandr@xxxxxxxxxxxxxx> Signed-off-by: Basavaraj Natikar <Basavaraj.Natikar@xxxxxxx> --- Changes in v3: - Reworded the commit message. - Removed fixes and stable tags. - Moved the code among the rest of the AMD quirks. Changes in v2: - Added Cc: stable@xxxxxxxxxxxxxxx drivers/usb/host/xhci-pci.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c index b534ca9752be..c0920e90efc3 100644 --- a/drivers/usb/host/xhci-pci.c +++ b/drivers/usb/host/xhci-pci.c @@ -307,8 +307,11 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci) xhci->quirks |= XHCI_RESET_ON_RESUME; } - if (pdev->vendor == PCI_VENDOR_ID_AMD) + if (pdev->vendor == PCI_VENDOR_ID_AMD) { xhci->quirks |= XHCI_TRUST_TX_LENGTH; + if (pdev->device == 0x43f7) + xhci->quirks |= XHCI_DEFAULT_PM_RUNTIME_ALLOW; + } if ((pdev->vendor == PCI_VENDOR_ID_AMD) && ((pdev->device == PCI_DEVICE_ID_AMD_PROMONTORYA_4) || -- 2.25.1
