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From: "Greg KH" <greg@kroah.com>
To: "Kumar Gala" <galak@gate.crashing.org>
Cc: <linux-kernel@vger.kernel.org>, <linux-pci@atrey.karlin.mff.cuni.cz>
Subject: Re: pci_scan_bridge and cardbus controllers?
Date: Wed, 28 Dec 2005 23:17:56 -0800	[thread overview]
Message-ID: <20051229071756.GD8863@kroah.com> (raw)
In-Reply-To: <Pine.LNX.4.44.0512141311140.14530-100000@gate.crashing.org>

On Wed, Dec 14, 2005 at 01:45:30PM -0600, Kumar Gala wrote:
> in pci_fixup_parent_subordinate_busnr() we will only reassign bus numbers 
> if pcibios_assign_all_busses() returns 1.
> 
> If we got to pci_fixup_parent_subordinate_busnr() and
> pcibios_assign_all_busses() returns 0, should we not print out some
> warning since we most likely got here because the bios didn't init things
> properly?
> 
> I came across this on an embedded system in which we had a cardbus 
> controller behind a P2P bridge.  The bios did not reserve any bus numbers 
> for the cardbus controller like linux does.  So I ended up with:

Ick.  Perhaps the pcmcia developers would know better what they want to
have done here?  Try asking on their list :)

thanks,

greg k-h

  reply	other threads:[~2005-12-29 17:29 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-12-14 19:45 pci_scan_bridge and cardbus controllers? Kumar Gala
2005-12-29  7:17 ` Greg KH [this message]
2005-12-29 22:38   ` Dominik Brodowski

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