From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Pavel Roskin <proski@gnu.org>
Cc: linuxppc-dev list <linuxppc-dev@lists.linuxppc.org>
Subject: Re: [PATCH] Fixup for DEC 21154 bridge to allow CardBus support
Date: Mon, 24 May 2004 16:46:52 +1000 [thread overview]
Message-ID: <1085381211.24948.60.camel@gaston> (raw)
In-Reply-To: <Pine.LNX.4.58.0405240227210.3182@portland.hansa.lan>
> I guess we don't understand each other. I thought you didn't like that I
> the PCI bridge would handle all buses from 1 to 255. I assumed that you
> meant that some of those buses can be used by some other PCI bridges. I
> assumed that if the P2P bridge is behind the main PCI bridge, the buses
> handled by the P2P bridge would be a subset of the buses handles by the
> the main PCI bridge.
You are right, I was on crack
> I assure you that every CardBus bridge would only use 4 buses. It won't
> use all 253 buses.
>
> Anyway, you know PowerPC architecture much better. I might be missing
> something obvious. After all, the upper bus range is just a number.
> Adjust it in any direction if you want.
--
Benjamin Herrenschmidt <benh@kernel.crashing.org>
** Sent via the linuxppc-dev mail list. See http://lists.linuxppc.org/
next prev parent reply other threads:[~2004-05-24 6:46 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-05-24 0:30 [PATCH] Fixup for DEC 21154 bridge to allow CardBus support Pavel Roskin
2004-05-24 1:45 ` Benjamin Herrenschmidt
2004-05-24 5:21 ` Pavel Roskin
2004-05-24 5:36 ` Benjamin Herrenschmidt
2004-05-24 6:42 ` Pavel Roskin
2004-05-24 6:46 ` Benjamin Herrenschmidt [this message]
2004-05-24 15:53 ` Pavel Roskin
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