Re: [PATCHv2][input-led] Defer input led work to workqueue

[Samuel Thibault <samuel.thibault@ens-lyon.org>]

Johannes Berg, le Tue 26 Aug 2014 15:22:07 +0200, a écrit :
> On Tue, 2014-08-26 at 11:17 +0200, Samuel Thibault wrote:
> 
> > -	led_trigger_event(&vt_led_triggers[led], !!brightness);
> > +	vt_led_state[led] = !!brightness;
> > +	schedule_work(&vt_led_work[led]);
> 
> 
> > +static int __init input_led_init(void)
> > +{
> > +	unsigned i;
> > +
> > +	for (i = 0; i < LED_CNT; i++)
> > +		INIT_WORK(&vt_led_work[i], vt_led_cb);
> > +
> > +	return 0;
> > +}
> > +
> > +static void __exit input_led_exit(void)
> > +{
> > +}
> 
> Come to think of it - don't you need to cancel_work_sync() in exit so
> the work struct can't be queued while the module is being unloaded?

Well, this is never built as a module ATM, so it's not a problem.

Samuel