[ivtv-users] Delay loading v4l-cx25840.fw

[Andy Walls]

On Wed, 2009-04-29 at 21:50 +1200, Michael Cree wrote:
> On 29/04/2009, at 6:19 PM, Hans Verkuil wrote:
> > On Wednesday 29 April 2009 04:56:53 Andy Walls wrote:
> >> The ivtv and cx25840 module should be deferring the cx2584x firmware
> >> load until the chip is actually needed.  Then the actual loading is  
> >> spun
> >> off to some transient kernel thread to get the job done in parallel  
> >> with
> >> other processes.
> >
> > What does surprise me here is that the fw is loaded right after the  
> > driver
> > was loaded, which does suggest that some process is opening one of the
> > device nodes since the fw load is only done on the first open.
> 
> Loading lirc drivers maybe?

It has to be something from userspace on the /dev/video* or /dev/radio*
nodes.  I'm not sure lirc would cause this.

On my systems (Fedora 9 & 10) IIRC it happens early too.  I've always
assumed it was either udev or hal or some some other automatic process
that mucks with device nodes.

Regards,
Andy