Re: [PATCH] sc16is7xx: switch to threaded irq for fixing RT issues

[Jakub Kicinski <moorray3@wp.pl>]

On Thu, 18 Feb 2016 08:29:40 +0100, Sean Nyekjær wrote:
> > diff --git a/drivers/tty/serial/sc16is7xx.c b/drivers/tty/serial/sc16is7xx.c
> > index e78fa99..1bb5c0e 100644
> > --- a/drivers/tty/serial/sc16is7xx.c
> > +++ b/drivers/tty/serial/sc16is7xx.c
> > @@ -1257,7 +1257,7 @@ static int sc16is7xx_probe(struct device *dev,
> >   
> >   	/* Setup interrupt */
> >   	ret = devm_request_irq(dev, irq, sc16is7xx_irq,
> > -			       IRQF_ONESHOT | flags, dev_name(dev), s);
> > +			       flags, dev_name(dev), s);
> >   	if (!ret)
> >   		return 0;
> >  
> Wow, nice that you CC'd the RT guys :-)
> 
> Josh that was it, it runs without deadlocks now :-D
> 
> Thank you.
> 
> Jakub, is this fix ok? Who is making this into a PATCH?

Yes, in fact similar patch circulated at some point but the author
flaked out before it was ready for merging.

Josh could you submit officially?  Please CC stable for 4.1+.
Fixes: 9e6f4ca3e567 ("sc16is7xx: use kthread_worker for tx_work and irq")

Thanks a lot!
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