xhci: Fix USB ports for Dell Inspiron 5775
The Dell Inspiron 5775 is a Raven Ridge. The Enable Slot command timed out when a USB device gets plugged: [ 212.156326] xhci_hcd 0000:03:00.3: Error while assigning device slot ID [ 212.156340] xhci_hcd 0000:03:00.3: Max number of devices this xHCI host supports is 64. [ 212.156348] usb usb2-port3: couldn't allocate usb_device AMD suggests that a delay before xHC suspends can fix the issue. I can confirm it fixes the issue, so use the suspend delay quirk for Raven Ridge's xHC. Cc: stable@vger.kernel.org Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com> Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -126,7 +126,10 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci)
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if (pdev->vendor == PCI_VENDOR_ID_AMD && usb_amd_find_chipset_info())
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xhci->quirks |= XHCI_AMD_PLL_FIX;
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if (pdev->vendor == PCI_VENDOR_ID_AMD && pdev->device == 0x43bb)
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if (pdev->vendor == PCI_VENDOR_ID_AMD &&
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(pdev->device == 0x15e0 ||
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pdev->device == 0x15e1 ||
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pdev->device == 0x43bb))
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xhci->quirks |= XHCI_SUSPEND_DELAY;
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if (pdev->vendor == PCI_VENDOR_ID_AMD)
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