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From: David Mosberger <davidm@napali.hpl.hp.com>
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Date: Thu, 9 Jan 2003 10:36:58 -0800
To: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Cc: Linus Torvalds <torvalds@transmeta.com>,
       Alan Cox <alan@lxorguk.ukuu.org.uk>,
       Grant Grundler <grundler@cup.hp.com>, Paul Mackerras <paulus@samba.org>,
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       "Eric W. Biederman" <ebiederm@xmission.com>, davidm@hpl.hp.com,
       Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
       greg@kroah.com
Subject: Re: [patch 2.5] 2-pass PCI probing, generic part
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>>>>> On Thu, 9 Jan 2003 20:46:26 +0300, Ivan Kokshaysky <ink@jurassic.park.msu.ru> said:

  Ivan> As discussed, this patch splits PCI probing into 2 phases.
  Ivan> 1. Do the full bus enumeration, collect identification info for
  Ivan> all devices, call early fixup routines. At this stage we
  Ivan> can solve two kinds of problems:
  Ivan> - turn off devices generating PCI traffic, so we'll be
  Ivan> safe in the phase 2 (USB DMA case);
  Ivan> - allow alternative probing methods for devices that
  Ivan> cannot be safely probed by generic code (powermac I/O ASIC).
  Ivan> 2. Sizing the BARs. Now it's possible to disable the device
  Ivan> being probed, which should fix ia64 case. Note that we
  Ivan> don't need to keep the device disabled when sizing ROM
  Ivan> base register, as we probe with ROM-enable bit cleared.

Sounds good (haven't tested the code yet, but it looks fine to me).

	--david
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