The "sdc" node is missing the ranges property, it needs to be treated
as having an empty one otherwise translation fails for its children.
Tested-by: Steven Rostedt <rost...@goodmis.org>
Signed-off-by: Benjamin Herrenschmidt <b...@kernel.crashing.org>
---
drivers/of/address.c | 11 ++++++++---
1 file changed, 8 insertions(+), 3 deletions(-)
diff --git a/drivers/of/address.c b/drivers/of/address.c
index ad29069..78a7dcb 100644
--- a/drivers/of/address.c
+++ b/drivers/of/address.c
@@ -450,12 +450,17 @@ 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") ||
@@ -490,7 +495,7 @@ 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_debug("OF: no ranges; cannot translate\n");
return 1;
}
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