diff options
Diffstat (limited to 'drivers/of')
| -rw-r--r-- | drivers/of/address.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/of/address.c b/drivers/of/address.c index 887c0413f648..1c291bd6bce2 100644 --- a/drivers/of/address.c +++ b/drivers/of/address.c @@ -519,9 +519,13 @@ static int of_translate_one(struct device_node *parent, struct of_bus *bus, * * As far as we know, this damage only exists on Apple machines, so * This code is only enabled on powerpc. --gcl + * + * This quirk also applies for 'dma-ranges' which frequently exist in + * child nodes without 'dma-ranges' in the parent nodes. --RobH */ ranges = of_get_property(parent, rprop, &rlen); - if (ranges == NULL && !of_empty_ranges_quirk(parent)) { + if (ranges == NULL && !of_empty_ranges_quirk(parent) && + strcmp(rprop, "dma-ranges")) { pr_debug("no ranges; cannot translate\n"); return 1; } |