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From: Manfred Spraul <manfred@colorfullife.com>
To: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Cc: linux-kernel@vger.kernel.org, torvalds@transmeta.com
Subject: [patch 2.5.31] transparent PCI-to-PCI bridges
Date: Sun, 25 Aug 2002 18:55:59 +0200	[thread overview]
Message-ID: <3D690C1F.1090604@colorfullife.com> (raw)

Ivan wrote:
> +	/*
> +	 * The PCI-to-PCI bridge spec requires that subtractive decoding
> +	 * (i.e. transparent) bridge must have programming interface code
> +	 * of 0x01.
> +	 */ 
> +	if (dev->class & 1) {
> +		printk("Transparent bridge - %s\n", dev->name);

Why not
	if ((dev->class & 0xff) == 0x01)

Is the lowest bit an indicator of subtractive decoding, or is 
Progif==0x01 the indicator of subtractive decoding?
The code and the comment should match.

--
	Manfred


             reply	other threads:[~2002-08-25 16:51 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-08-25 16:55 Manfred Spraul [this message]
2002-08-26 13:57 ` [patch 2.5.31] transparent PCI-to-PCI bridges Ivan Kokshaysky
2002-08-26 17:42   ` Linus Torvalds
2002-08-28  0:58     ` Ivan Kokshaysky
2002-08-28  1:29       ` Linus Torvalds
2002-08-30 21:38         ` [patch 2.5.32] " Ivan Kokshaysky
2002-08-26 20:12   ` [patch 2.5.31] " Benjamin Herrenschmidt
2002-08-28  1:40     ` Ivan Kokshaysky
2002-08-28 10:03       ` Benjamin Herrenschmidt
2002-08-28 17:35         ` Linus Torvalds
2002-08-28 18:35           ` Benjamin Herrenschmidt
2002-08-29 23:53           ` Ivan Kokshaysky
2002-08-30  9:28             ` Benjamin Herrenschmidt
2002-08-30 21:57               ` Ivan Kokshaysky
2002-08-30 20:19                 ` Benjamin Herrenschmidt
2002-08-31 10:42                   ` Ivan Kokshaysky
2002-08-31 15:06                     ` Alan Cox
2002-08-31 16:49                       ` Linus Torvalds
2002-08-31 22:40                         ` Ivan Kokshaysky
2002-08-31  8:09                 ` Benjamin Herrenschmidt
2002-08-30 17:12             ` Linus Torvalds
2002-08-30 22:23               ` Ivan Kokshaysky
2002-08-31  8:09                 ` Benjamin Herrenschmidt
2002-08-31 13:12                   ` Ivan Kokshaysky
2002-08-31 16:29                 ` Linus Torvalds
  -- strict thread matches above, loose matches on Subject: below --
2002-08-24 20:17 Ivan Kokshaysky

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