Re: [RFC PATCH v6 07/11] leds: trigger: netdev: use mutex instead of spinlocks

From: Ansuel Smith
Date: Thu May 05 2022 - 09:29:17 EST


On Thu, May 05, 2022 at 03:10:21AM +0200, Andrew Lunn wrote:
> > @@ -400,7 +400,7 @@ static int netdev_trig_notify(struct notifier_block *nb,
> >
> > cancel_delayed_work_sync(&trigger_data->work);
> >
> > - spin_lock_bh(&trigger_data->lock);
> > + mutex_lock(&trigger_data->lock);
>
> I'm not sure you can convert a spin_lock_bh() in a mutex_lock().
>
> Did you check this? What context is the notifier called in?
>
> Andrew

I had to do this because qca8k use completion to set the value and that
can sleep... Mhhh any idea how to handle this?

--
Ansuel