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| author | Basavaraj Natikar <Basavaraj.Natikar@amd.com> | 2024-03-04 11:13:27 +0530 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-07-17 18:30:51 +0200 |
| commit | 59aca35c69c2ad7f5d94e167a444fcab5a4c8294 (patch) | |
| tree | 3c5724d3ef497cc102a4b82b35effa6902a2f3ef | |
| parent | 982beb7582c193544eb9c6083937ec5ac1c9d651 (diff) | |
| download | linux-59aca35c69c2ad7f5d94e167a444fcab5a4c8294.tar.gz linux-59aca35c69c2ad7f5d94e167a444fcab5a4c8294.tar.bz2 linux-59aca35c69c2ad7f5d94e167a444fcab5a4c8294.zip | |
xhci: Allow RPM on the USB controller (1022:43f7) by default
[ 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>
| -rw-r--r-- | drivers/usb/host/xhci-pci.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c index 18200d3662fe..5c46e85cc2d7 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) || |