diff options
| -rw-r--r-- | drivers/of/address.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/of/address.c b/drivers/of/address.c index 22ce1572af38..bab28871b992 100644 --- a/drivers/of/address.c +++ b/drivers/of/address.c @@ -403,12 +403,17 @@ static struct of_bus *of_match_bus(struct device_node *np) return NULL; } -static int of_empty_ranges_quirk(void) +static int of_empty_ranges_quirk(struct device_node *np) { if (IS_ENABLED(CONFIG_PPC)) { - /* To save cycles, we cache the result */ + /* To save cycles, we cache the result for global "Mac" setting */ static int quirk_state = -1; + /* PA-SEMI sdc DT bug */ + if (of_device_is_compatible(np, "1682m-sdc")) + return true; + + /* Make quirk cached */ if (quirk_state < 0) quirk_state = of_machine_is_compatible("Power Macintosh") || @@ -443,7 +448,7 @@ static int of_translate_one(struct device_node *parent, struct of_bus *bus, * This code is only enabled on powerpc. --gcl */ ranges = of_get_property(parent, rprop, &rlen); - if (ranges == NULL && !of_empty_ranges_quirk()) { + if (ranges == NULL && !of_empty_ranges_quirk(parent)) { pr_err("OF: no ranges; cannot translate\n"); return 1; } |