linux-kernel - Re: [linux-pm] [PATCH] resume: wait for device probing to finish

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Message-ID: <20090115092352.5d2ceffd@infradead.org>
Date:	Thu, 15 Jan 2009 09:23:52 +0000
From:	Arjan van de Ven <arjan@...radead.org>
To:	Nigel Cunningham <ncunningham@...a.org.au>
Cc:	"Rafael J. Wysocki" <rjw@...k.pl>,
	Andrew Morton <akpm@...ux-foundation.org>, pavel@...e.cz,
	linux-pm@...ts.linux-foundation.org, linux-kernel@...r.kernel.org
Subject: Re: [linux-pm] [PATCH] resume: wait for device probing to finish

On Thu, 15 Jan 2009 12:34:36 +1100
Nigel Cunningham <ncunningham@...a.org.au> wrote:

> Hi Rafael etc.
> 
> On Thu, 2009-01-15 at 00:39 +0100, Rafael J. Wysocki wrote:
> 
> [...]
>  
> >  /**
> > + * wait_for_device_probe
> > + * Wait for device probing to be completed.
> > + *
> > + * Note: this function polls at 100 msec intervals.
> > + */
> > +int wait_for_device_probe(void)
> > +{
> > +	/* wait for the known devices to complete their probing */
> > +	while (driver_probe_done() != 0)
> > +		msleep(100);
> > +	async_synchronize_full();
> > +	return 0;
> > +}
> > +
> 
> Am I missing something? I can't see why you're polling instead of
> using probe_waitqueue.

I'm just consolidating the existing code to one place.

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