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Date: Mon, 3 Jan 2022 15:21:17 +0100 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-kernel@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, stable@...r.kernel.org, Nikolay Martynov <mar.kolya@...il.com>, Mathias Nyman <mathias.nyman@...ux.intel.com> Subject: [PATCH 4.4 06/11] xhci: Fresco FL1100 controller should not have BROKEN_MSI quirk set. From: Mathias Nyman <mathias.nyman@...ux.intel.com> commit e4844092581ceec22489b66c42edc88bc6079783 upstream. The Fresco Logic FL1100 controller needs the TRUST_TX_LENGTH quirk like other Fresco controllers, but should not have the BROKEN_MSI quirks set. BROKEN_MSI quirk causes issues in detecting usb drives connected to docks with this FL1100 controller. The BROKEN_MSI flag was apparently accidentally set together with the TRUST_TX_LENGTH quirk Original patch went to stable so this should go there as well. Fixes: ea0f69d82119 ("xhci: Enable trust tx length quirk for Fresco FL11 USB controller") Cc: stable@...r.kernel.org cc: Nikolay Martynov <mar.kolya@...il.com> Signed-off-by: Mathias Nyman <mathias.nyman@...ux.intel.com> Link: https://lore.kernel.org/r/20211221112825.54690-2-mathias.nyman@linux.intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org> --- drivers/usb/host/xhci-pci.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) --- a/drivers/usb/host/xhci-pci.c +++ b/drivers/usb/host/xhci-pci.c @@ -91,7 +91,6 @@ static void xhci_pci_quirks(struct devic /* Look for vendor-specific quirks */ if (pdev->vendor == PCI_VENDOR_ID_FRESCO_LOGIC && (pdev->device == PCI_DEVICE_ID_FRESCO_LOGIC_PDK || - pdev->device == PCI_DEVICE_ID_FRESCO_LOGIC_FL1100 || pdev->device == PCI_DEVICE_ID_FRESCO_LOGIC_FL1400)) { if (pdev->device == PCI_DEVICE_ID_FRESCO_LOGIC_PDK && pdev->revision == 0x0) { @@ -126,6 +125,10 @@ static void xhci_pci_quirks(struct devic pdev->device == PCI_DEVICE_ID_FRESCO_LOGIC_FL1009) xhci->quirks |= XHCI_BROKEN_STREAMS; + if (pdev->vendor == PCI_VENDOR_ID_FRESCO_LOGIC && + pdev->device == PCI_DEVICE_ID_FRESCO_LOGIC_FL1100) + xhci->quirks |= XHCI_TRUST_TX_LENGTH; + if (pdev->vendor == PCI_VENDOR_ID_NEC) xhci->quirks |= XHCI_NEC_HOST;
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