linux-kernel - Re: Reducing warning output from pci_get

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Message-ID: <20070131061253.GA2638@kroah.com>
Date:	Tue, 30 Jan 2007 22:12:53 -0800
From:	Greg KH <greg@...ah.com>
To:	Kumar Gala <galak@...nel.crashing.org>
Cc:	Andrew Morton <akpm@...l.org>, linux-kernel@...r.kernel.org,
	linux-pci@...ey.karlin.mff.cuni.cz
Subject: Re: Reducing warning output from pci_get_subsys()

On Tue, Jan 30, 2007 at 11:18:21PM -0600, Kumar Gala wrote:
> 
> On Jan 30, 2007, at 11:11 PM, Andrew Morton wrote:
> 
> >On Tue, 30 Jan 2007 22:55:38 -0600 (CST)
> >Kumar Gala <galak@...nel.crashing.org> wrote:
> >
> >>Greg,
> >>
> >>There was some code added to warn if pci_get_subsys() is called  
> >>and the
> >>pci_devices is empty.
> >>
> >>I'm wondering if there is some point at which we know its ok for the
> >>pci_devices list be empty if there are no devices on the bus so we  
> >>can
> >>stop printing the message.
> >>
> >>On an embedded PPC reference system I see this message 6 times  
> >>when I've
> >>got no cards in the PCI slots.
> >>
> >
> >I'd suggest we just remove the warning.  Also the one in  
> >pci_find_subsys().
> >
> >I let them go through because I was curious to know what would  
> >cause it to
> >trigger - it might be an indication of other bugs.  But nothing very
> >interesting happened and they're of no use.
> 
> Works for me.

No objection from me either.

thanks,

greg k-h
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