linux-kernel - Re: Reducing warning output from pci_get

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Message-Id: <6543410C-B60C-4706-AB4E-FA64C4E592F5@kernel.crashing.org>
Date:	Tue, 30 Jan 2007 23:18:21 -0600
From:	Kumar Gala <galak@...nel.crashing.org>
To:	Andrew Morton <akpm@...l.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 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.

- k
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