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

From: [email-masked] (Mark Langsdorf)
Date: Thu, 13 Nov 2014 12:36:09 -0600

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