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

From: Samuel Thibault
Date: Tue Aug 26 2014 - 09:32:46 EST


Samuel Thibault, le Tue 26 Aug 2014 15:24:10 +0200, a écrit :
> 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.

(but I have changed that for future versions of the whole patch, yes)

Samuel
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