Re: [PATCH 2/7 v3] initdev:kernel:USB init device discovery notification

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On 8/7/09, Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> wrote:
> On Fri, 7 Aug 2009, Alan Jenkins wrote:
>
>> > +/* The mask of possible USB boot devices depends on what drivers and
>> > + * options have been configured into the kernel.  There are too many
>> > + * USB network config options to list here, so just assume it is always
>> > + * possible to have a USB network device.
>> > + */
>>
>> That could be fixed though.  Make the "USB Network Adaptors" menu into
>> an option.  Then you just have e.g. "CONFIG_NETDEV_USB", plus the two
>> class devices outside the menu (CONFIG_USB_ACM and CONFIG_USB_WDM).

Oops, scratch WDM.  It doesn't actually provide a network device
(otherwise it would depend on NET).

> That could be done.  It might even meet with the approval of the
> networking maintainer, independent of this patch series.
>
> But what if somebody adds yet another networking class driver outside
> the menu?

Hmm.

Ok, how about a single (hidden) USB_HAS_NETDEV.  NETDEV_USB and
USB_ACM select USB_HAS_NETDEV.

Textual juxtaposition or simple copy+paste inside class/Kconfig should
help it get picked up.  And I'd add a comment pointing the bewildered
to the definition of usb_initdev_mask.

I'll write a patch for your inspection this evening.

Alan
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