Re: [PATCH can-next v6] can: add tx/rx LED trigger support

From: Kurt Van Dijck
Date: Thu Sep 06 2012 - 06:33:04 EST


On Tue, Sep 04, 2012 at 10:15:53PM +0200, Fabio Baltieri wrote:
> On Tue, Sep 04, 2012 at 09:11:28AM +0200, Kurt Van Dijck wrote:
> > On Mon, Sep 03, 2012 at 10:54:49PM +0200, Oliver Hartkopp wrote:
> > > On 03.09.2012 20:29, Fabio Baltieri wrote:
> > >
> > >
[...]
> > > The name of the device can only be changed when the interface is down.
> > > Is it possible to put some scripting around it to detach and attach the leds
> > > to the interfaces on ifup/ifdown triggers?
> >
> > Are the led triggers available for using while the netdev is down then?
>
> Sure! On embedded systems triggers are usually attached to actual LEDs
> at probe time using default_trigger field of struct led_classdev, and
> that can be specified both in machine files or in device tree.

I also think that led triggers should be available.
I asked the question because detach & attach leds to interfaces would
indeed break that.

btw, I tried to send a patch tuesday (my first $ git send-email) using
netdev notifiers: did you receive it, and what do you think of it?

Kurt
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