linux-kernel - Re: Reducing warning output from pci_get

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Message-Id: <20070130211153.4ca1aaa7.akpm@osdl.org>
Date:	Tue, 30 Jan 2007 21:11:53 -0800
From:	Andrew Morton <akpm@...l.org>
To:	Kumar Gala <galak@...nel.crashing.org>
Cc:	Greg KH <greg@...ah.com>, linux-kernel@...r.kernel.org,
	linux-pci@...ey.karlin.mff.cuni.cz
Subject: Re: Reducing warning output from pci_get_subsys()

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.

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