diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux-5.10/linux-yocto-5.10.47-amdx86/0001-usb-xhci-Add-LPM-support-to-AMD-xhci-controller.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux-5.10/linux-yocto-5.10.47-amdx86/0001-usb-xhci-Add-LPM-support-to-AMD-xhci-controller.patch | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux-5.10/linux-yocto-5.10.47-amdx86/0001-usb-xhci-Add-LPM-support-to-AMD-xhci-controller.patch b/meta-amd-bsp/recipes-kernel/linux-5.10/linux-yocto-5.10.47-amdx86/0001-usb-xhci-Add-LPM-support-to-AMD-xhci-controller.patch new file mode 100644 index 00000000..387ea135 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux-5.10/linux-yocto-5.10.47-amdx86/0001-usb-xhci-Add-LPM-support-to-AMD-xhci-controller.patch @@ -0,0 +1,32 @@ +From c4c82690a760351b6e0b0d387f7ab40066531c81 Mon Sep 17 00:00:00 2001 +From: Sudheesh Mavila <sudheesh.mavila@amd.com> +Date: Fri, 24 Jul 2020 15:43:52 +0530 +Subject: [PATCH 01/10] usb: xhci: Add LPM support to AMD xhci controller + +xHCI quirk for LPM and Runtime power management for AMD Raven xHCI + +Signed-off-by: Sudheesh Mavila <sudheesh.mavila@amd.com> +--- + drivers/usb/host/xhci-pci.c | 6 ++++++ + 1 file changed, 6 insertions(+) + +diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c +index 5bbccc9a0179..1d939747ba29 100644 +--- a/drivers/usb/host/xhci-pci.c ++++ b/drivers/usb/host/xhci-pci.c +@@ -172,6 +172,12 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci) + if (pdev->vendor == PCI_VENDOR_ID_AMD) + xhci->quirks |= XHCI_TRUST_TX_LENGTH; + ++ if (pdev->vendor == PCI_VENDOR_ID_AMD && ++ (pdev->device == 0x15e0 || pdev->device == 0x15e1 || pdev->device == 0x15e5)) { ++ xhci->quirks |= XHCI_LPM_SUPPORT; ++ xhci->quirks |= XHCI_DEFAULT_PM_RUNTIME_ALLOW; ++ } ++ + if ((pdev->vendor == PCI_VENDOR_ID_AMD) && + ((pdev->device == PCI_DEVICE_ID_AMD_PROMONTORYA_4) || + (pdev->device == PCI_DEVICE_ID_AMD_PROMONTORYA_3) || +-- +2.17.1 + |