Re: [PATCH] pciehp: Add pciehp_surprise module option

[Takashi Iwai]

At Wed, 20 Mar 2013 19:12:50 +0000,
Matthew Garrett wrote:
> 
> On Wed, Mar 20, 2013 at 08:11:15PM +0100, Takashi Iwai wrote:
> > At Wed, 20 Mar 2013 17:52:34 +0000,
> > Matthew Garrett wrote:
> > > Well that just sounds like a bug. What's the downside to just ignoring 
> > > that capability bit?
> > 
> > I'm afraid that it's too radical to enable always.
> 
> Why?

Because I'm conservative :)
Well, dunno.  It's just my feeling without deep thought.

> > Or, what about to check this bit only for disable path?
> 
> What happens if you unplug the device on one of the affected machines?

It continues working.  I mean, the PCI device is still there after
unplug, but the Realtek driver unmounts it smoothly.  Re-plugging also
works, too.  So, the handling via pciehp is needed only for the very
first time to register the PCI device.


Takashi
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