On Mon, October 25, 2010 11:42 am, Alan Stern wrote:
> On Mon, 25 Oct 2010, Randy Dunlap wrote:
>
>
>> kerne log excerpt:
>>
>> [ 3.447156] usb 3-1: usb_probe_device
>> [ 3.447171] usb 3-1: configuration #1 chosen from 1 choice
>> [ 3.453362] usb 3-1: adding 3-1:1.0 (config #1, interface 0)
>> [ 3.455550] hub 3-1:1.0: usb_probe_interface
>> [ 3.455557] hub 3-1:1.0: usb_probe_interface - got id
>> [ 3.455562] hub 3-1:1.0: ignoring external hub
>>
>>
>>
>> hub.c says:
>>
>> #ifdef CONFIG_USB_OTG_BLACKLIST_HUB
>> if (hdev->parent) { dev_warn(&intf->dev, "ignoring external hub\n");
>> return -ENODEV; }
>> #endif
>>
>>
>>
>> Hm, I don't have any OTG devices, just a fairly old Dell keyboard with
>> embedded hub ... and now they don't work. Yes, I have the kconfig symbol
>> enabled, but why is this applying to a hub inside a keyboard?
>
> In this context OTG doesn't refer to devices; it refers to your
> computer. By enabling it, you have told the kernel that your computer is
> OTG, implying that it need not support external hubs.
>
>
>> help? other than disabling that kconfig?
>
> Just disable it.
Will do. Thanks.
--
~Randy
--
To unsubscribe from this list: send the line "unsubscribe linux-usb" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
