5.15-stable review patch. If anyone has any objections, please let me know.
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From: Basavaraj Natikar Basavaraj.Natikar@amd.com
[ Upstream commit 28cbed496059fe1868203b76e9e0ef285733524d ]
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@natalenko.name/ Cc: Mario Limonciello mario.limonciello@amd.com Tested-by: Oleksandr Natalenko oleksandr@natalenko.name Signed-off-by: Basavaraj Natikar Basavaraj.Natikar@amd.com Acked-by: Mathias Nyman mathias.nyman@linux.intel.com Link: https://lore.kernel.org/r/20240304054327.2564500-1-Basavaraj.Natikar@amd.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org Stable-dep-of: cbc889ab0122 ("usb: xhci: quirk for data loss in ISOC transfers") Signed-off-by: Sasha Levin sashal@kernel.org --- 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 18200d3662fe6..5c46e85cc2d7c 100644 --- a/drivers/usb/host/xhci-pci.c +++ b/drivers/usb/host/xhci-pci.c @@ -191,8 +191,11 @@ 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) ||