From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from gate.crashing.org (gate.crashing.org [63.228.1.57]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTP id E7A57DDE38 for ; Tue, 15 Jan 2008 13:47:46 +1100 (EST) Date: Mon, 14 Jan 2008 20:45:27 -0600 (CST) From: Kumar Gala To: linuxppc-dev@ozlabs.org Subject: [PATCH] [POWERPC] Fixup transparent P2P resources Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , For transparent P2P bridges the first 3 resources may get set from based on BAR registers and need to get fixed up. Where as the remainder come from the parent bus and have already been fixed up. --- in my git tree. arch/powerpc/kernel/pci-common.c | 5 +++-- 1 files changed, 3 insertions(+), 2 deletions(-) diff --git a/arch/powerpc/kernel/pci-common.c b/arch/powerpc/kernel/pci-common.c index 7d0afd4..980fe32 100644 --- a/arch/powerpc/kernel/pci-common.c +++ b/arch/powerpc/kernel/pci-common.c @@ -792,9 +792,10 @@ static void __devinit __pcibios_fixup_bus(struct pci_bus *bus) for (i = 0; i < PCI_BUS_NUM_RESOURCES; ++i) { if ((res = bus->resource[i]) == NULL) continue; - if (!res->flags || bus->self->transparent) + if (!res->flags) + continue; + if (i >= 3 && bus->self->transparent) continue; - /* On PowerMac, Apple leaves bridge windows open over * an inaccessible region of memory space (0...fffff) * which is somewhat bogus, but that's what they think -- 1.5.3.7