Re: [linux-usb-devel] [PATCH] usb/hid: The HID Simple Driver Interface0.3.2 (core)

From: Anssi Hannula
Date: Mon Oct 09 2006 - 18:53:17 EST


Liyu wrote:
> Anssi Hannula wrote:
>> One possibility is to do that with symbol_request() and friends. That
>> would not be pretty though, imho.
>>
>> DVB subsystem uses that currently to load frontend modules dynamically,
>> see dvb_attach() and dvb_frontend_detach() in
>> drivers/media/dvb/dvb-core/dvbdev.h and
>> drivers/media/dvb/dvb-core/dvb_frontend.c.
>>
>>
> This means also can load module dynamically. In apparently, I think it
> have two weaknesses:
>
> 1. It require module have one exported symbol at least.

True.

> 2. We must handle life cycle of module by myself.

We need to handle reference count, yes.

> Is it right?
>
> Goodluck
>
> -Liyu
>


--
Anssi Hannula

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