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xhci: Allow RPM on the USB controller (1022:43f7) by default

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[ Upstream commit 28cbed4960 ]

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: d7b11fe579 ("xhci: Combine two if statements for Etron xHCI host")
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Basavaraj Natikar
2024-03-04 11:13:27 +05:30
committed by Greg Kroah-Hartman
parent ea6b5d98fe
commit d55694547c
1 changed files with 4 additions and 1 deletions
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drivers/usb/host/xhci-pci.c
+4 -1
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@@ -374,8 +374,11 @@ 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) ||