Re: [PATCH v2 2/2] [usb] add support for ACPI identification to xhci-platform

[Mark Langsdorf]

On 11/04/2014 11:12 AM, Greg KH wrote:

On Tue, Nov 04, 2014 at 10:50:33AM -0600, Mark Langsdorf wrote:

  #endif

+#ifdef CONFIG_ACPI
+static const struct acpi_device_id usb_xhci_acpi_match[] = {
+       /* APM X-Gene USB Controller */
+       { "PNP0D10", },
+       { }
+};
+MODULE_DEVICE_TABLE(acpi, usb_xhci_acpi_match);
+#endif

That looks like a very "generic" PNP value, are you sure it is assigned
only to this specific device?

Although this is a generic PNP device, the specific implementation
I'm testing has issues with USB3. Is there a flag or function
call that will disable the USB3 host while keeping the USB2
host?? My naive attempts in finding one mostly hung the machine.

--Mark Langsdorf

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