From: David Moore <david.mo...@gmail.com>
When the xHCI driver is not available, actively switch the ports to EHCI
mode since some BIOSes leave them in xHCI mode where they would
otherwise appear dead.
Signed-off-by: David Moore <david.mo...@gmail.com>
---
drivers/usb/host/pci-quirks.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/usb/host/pci-quirks.c b/drivers/usb/host/pci-quirks.c
index eb5563a..7893351 100644
--- a/drivers/usb/host/pci-quirks.c
+++ b/drivers/usb/host/pci-quirks.c
@@ -780,6 +780,7 @@ void usb_enable_xhci_ports(struct pci_dev *xhci_pdev)
"defaulting to EHCI.\n");
dev_warn(&xhci_pdev->dev,
"USB 3.0 devices will work at USB 2.0
speeds.\n");
+ usb_disable_xhci_ports(xhci_pdev);
return;
}
--
1.8.1
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