Two questions: how to specify module-load function for driver module and which name of driver is better (according to "standards")

Paul B Mahol onemda at gmail.com
Fri Nov 19 17:25:54 UTC 2010


2010/11/19 Hans Petter Selasky <hselasky at c2i.net>:
> On Friday 19 November 2010 16:55:27 Lev Serebryakov wrote:
>> Hello, Freebsd-usb.
>>
>>   I've  implemented  driver (ucom-subdriver) for MosChip 7820 and 7840
>>  USB2COM multiport bridges. I have two questions:
>>
>
> Hi,
>
>>   (1)  How  should  I  specify  module-load  function? DRIVER_MODULE()
>>   doesn't   help   much.  I  need  to run some code only once, at very
>>   beginning,  not  for each probe/attach. GEOM modules have methods for
>>   it, but I can not find such methods for drivers.
>
> Look at ubt_modevent in sys/netgraph/bluetooth/drivers/ubt/ng_ubt.c. Or use a
> so-called SYSINIT() or SYSUNINIT().
>
>>
>>   (2) Which name should I choose? Working name of module/driver/device
>>   is "mos7840", but it seems, that it is bad name:
>>    (a) All existing ucom-based drivers is "uXXXcom"
>>    (b) Driver instances looks ugly (like "mos78400")
> umos78400 ?
>
>>
>>   Is  "umos7840com"  good name or it is too long? :) We have "umoscom"
>>   driver for older MosChip chip in base already.
>
> Maybe someone else has some comments.

Is it possible/sane to integrate two drivers in one?


More information about the freebsd-usb mailing list