xhci: Add broken-streams quirk for Fresco Logic FL1000G xhci controllers
authorHans de Goede <hdegoede@redhat.com>
Fri, 5 Dec 2014 10:11:28 +0000 (11:11 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 9 Jan 2015 17:58:49 +0000 (09:58 -0800)
Streams do not work reliabe on Fresco Logic FL1000G xhci controllers,
trying to use them results in errors like this:

21:37:33 kernel: xhci_hcd 0000:04:00.0: ERROR Transfer event for disabled endpoint or incorrect stream ring
21:37:33 kernel: xhci_hcd 0000:04:00.0: @00000000368b3570 9067b000 00000000 05000000 01078001
21:37:33 kernel: xhci_hcd 0000:04:00.0: ERROR Transfer event for disabled endpoint or incorrect stream ring
21:37:33 kernel: xhci_hcd 0000:04:00.0: @00000000368b3580 9067b400 00000000 05000000 01038001

As always I've ordered a pci-e addon card with a Fresco Logic controller for
myself to see if I can come up with a better fix then the big hammer, in
the mean time this will make uas devices work again (in usb-storage mode)
for FL1000G users.

Reported-by: Marcin ZajÄ…czkowski <mszpak@wp.pl>
Cc: stable@vger.kernel.org # 3.15
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/usb/host/xhci-pci.c

index 142b601..7f76c8a 100644 (file)
@@ -82,6 +82,8 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci)
                                "must be suspended extra slowly",
                                pdev->revision);
                }
+               if (pdev->device == PCI_DEVICE_ID_FRESCO_LOGIC_PDK)
+                       xhci->quirks |= XHCI_BROKEN_STREAMS;
                /* Fresco Logic confirms: all revisions of this chip do not
                 * support MSI, even though some of them claim to in their PCI
                 * capabilities.