This is a note to let you know that I've just added the patch titled usb: xhci: Extend support for runtime power management for AMD's Yellow carp. to the 5.4-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: usb-xhci-extend-support-for-runtime-power-management-for-amd-s-yellow-carp.patch and it can be found in the queue-5.4 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From f886d4fbb7c97b8f5f447c92d2dab99c841803c0 Mon Sep 17 00:00:00 2001 From: Nehal Bakulchandra Shah <Nehal-Bakulchandra.shah@xxxxxxx> Date: Wed, 15 Dec 2021 15:02:16 +0530 Subject: usb: xhci: Extend support for runtime power management for AMD's Yellow carp. From: Nehal Bakulchandra Shah <Nehal-Bakulchandra.shah@xxxxxxx> commit f886d4fbb7c97b8f5f447c92d2dab99c841803c0 upstream. AMD's Yellow Carp platform has few more XHCI controllers, enable the runtime power management support for the same. Signed-off-by: Nehal Bakulchandra Shah <Nehal-Bakulchandra.shah@xxxxxxx> Cc: stable <stable@xxxxxxxxxxxxxxx> Link: https://lore.kernel.org/r/20211215093216.1839065-1-Nehal-Bakulchandra.shah@xxxxxxx Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/usb/host/xhci-pci.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) --- a/drivers/usb/host/xhci-pci.c +++ b/drivers/usb/host/xhci-pci.c @@ -65,6 +65,8 @@ #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 +#define PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_7 0x161c +#define PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_8 0x161f #define PCI_DEVICE_ID_ASMEDIA_1042_XHCI 0x1042 #define PCI_DEVICE_ID_ASMEDIA_1042A_XHCI 0x1142 @@ -303,7 +305,9 @@ static void xhci_pci_quirks(struct devic 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)) + pdev->device == PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_6 || + pdev->device == PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_7 || + pdev->device == PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_8)) xhci->quirks |= XHCI_DEFAULT_PM_RUNTIME_ALLOW; if (xhci->quirks & XHCI_RESET_ON_RESUME) Patches currently in stable-queue which might be from Nehal-Bakulchandra.shah@xxxxxxx are queue-5.4/usb-xhci-extend-support-for-runtime-power-management-for-amd-s-yellow-carp.patch