linux-kernel - Re: [PATCH 01/18] lirc core device driver infrastructure

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Date:	Wed, 10 Sep 2008 08:29:43 -0400
From:	Christoph Hellwig <hch@...radead.org>
To:	Janne Grunau <j@...nau.net>
Cc:	Christoph Hellwig <hch@...radead.org>,
	Jarod Wilson <jwilson@...hat.com>,
	linux-kernel@...r.kernel.org, Jarod Wilson <jarod@...hat.com>,
	Christoph Bartelmus <lirc@...telmus.de>,
	Mario Limonciello <superm1@...ntu.com>
Subject: Re: [PATCH 01/18] lirc core device driver infrastructure

On Wed, Sep 10, 2008 at 02:24:36PM +0200, Janne Grunau wrote:
> On Tuesday 09 September 2008 15:01:02 Christoph Hellwig wrote:
> 
> > > +	do {
> > > +		if (ir->open) {
> > > +			if (ir->jiffies_to_wait) {
> > > +				set_current_state(TASK_INTERRUPTIBLE);
> > > +				schedule_timeout(ir->jiffies_to_wait);
> > > +			} else {
> > > +				interruptible_sleep_on(
> > > +					ir->p.get_queue(ir->p.data));
> > > +			}
> >
> > No sleep on, please.  But this one should be trivial to fix anyway,
> > by just changing this to a
> >
> > 	set_current_state(TASK_INTERRUPTIBLE);
> > 	schedule();
> >
> > and using wake_up_process in the wakeup path.
> 
> No driver uses the get_queue callback. So I'm inclined to just remove 
> it. Christoph, any objections?

Sounds good.
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