From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Message-ID: <17352.29004.496555.416396@cargo.ozlabs.ibm.com> Date: Sat, 14 Jan 2006 14:34:36 +1100 From: Paul Mackerras To: benh@kernel.crashing.org Subject: [PATCH] powerpc: Recognize /chaos bridge on old pmacs as PCI Cc: linuxppc-dev@ozlabs.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , The first generation of PCI powermacs had a host bridge called /chaos which was for all intents and purposes a PCI host bridge, but has a device_type of "vci" in the device tree (presumably it's not really PCI at the hardware level or something). The OF parsing stuff in arch/powerpc/kernel/prom_parse.c currently doesn't recognize it as a PCI bridge, which means that controlfb.c can't get its device addresses. This makes prom_parse.c recognize a device_type of "vci" as indicating a PCI host bridge. With this, controlfb works again. Signed-off-by: Paul Mackerras --- diff --git a/arch/powerpc/kernel/prom_parse.c b/arch/powerpc/kernel/prom_parse.c index 309ae1d..a8099c8 100644 --- a/arch/powerpc/kernel/prom_parse.c +++ b/arch/powerpc/kernel/prom_parse.c @@ -113,7 +113,8 @@ static unsigned int of_bus_default_get_f static int of_bus_pci_match(struct device_node *np) { - return !strcmp(np->type, "pci"); + /* "vci" is for the /chaos bridge on 1st-gen PCI powermacs */ + return !strcmp(np->type, "pci") || !strcmp(np->type, "vci"); } static void of_bus_pci_count_cells(struct device_node *np,