From 6dd18e4684f3d188277bbbc27545248487472108 Mon Sep 17 00:00:00 2001 From: Benjamin Herrenschmidt Date: Wed, 3 Jul 2013 16:01:10 +1000 Subject: of: Fix address decoding on Bimini and js2x machines Commit: e38c0a1fbc5803cbacdaac0557c70ac8ca5152e7 of/address: Handle #address-cells > 2 specially broke real time clock access on Bimini, js2x, and similar powerpc machines using the "maple" platform. That code was indirectly relying on the old (broken) behaviour of the translation for the hypertransport to ISA bridge. This fixes it by treating hypertransport as a PCI bus Signed-off-by: Benjamin Herrenschmidt Acked-by: Rob Herring Signed-off-by: Grant Likely --- drivers/of/address.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) (limited to 'drivers/of') diff --git a/drivers/of/address.c b/drivers/of/address.c index 04da786c84d2..7c8221d36329 100644 --- a/drivers/of/address.c +++ b/drivers/of/address.c @@ -106,8 +106,12 @@ static unsigned int of_bus_default_get_flags(const __be32 *addr) static int of_bus_pci_match(struct device_node *np) { - /* "vci" is for the /chaos bridge on 1st-gen PCI powermacs */ - return !strcmp(np->type, "pci") || !strcmp(np->type, "vci"); + /* + * "vci" is for the /chaos bridge on 1st-gen PCI powermacs + * "ht" is hypertransport + */ + return !strcmp(np->type, "pci") || !strcmp(np->type, "vci") || + !strcmp(np->type, "ht"); } static void of_bus_pci_count_cells(struct device_node *np, -- cgit v1.2.3-70-g09d2