Applying overlay fails silently in case of an error. Add error prints.
Most notably the lack of symbols in the live tree is not reported.
Signed-off-by: Michal Suchanek <hramrach@xxxxxxxxx>
---
drivers/of/resolver.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/of/resolver.c b/drivers/of/resolver.c
index d313d49..5d24a4b 100644
--- a/drivers/of/resolver.c
+++ b/drivers/of/resolver.c
@@ -313,6 +313,11 @@ int of_resolve_phandles(struct device_node *resolve)
phandle phandle, phandle_delta;
int err;
+ if (!resolve)
+ pr_err("%s: null node\n", __func__);
+ if (resolve && !of_node_check_flag(resolve, OF_DETACHED))
+ pr_err("%s: node %s not detached\n", __func__,
+ resolve->full_name);
/* the resolve node must exist, and be detached */
if (!resolve || !of_node_check_flag(resolve, OF_DETACHED))
return -EINVAL;
@@ -369,6 +374,7 @@ int of_resolve_phandles(struct device_node *resolve)
/* we need to fixup, but no root symbols... */
if (!root_sym) {
+ pr_err("%s: no symbols in root of device tree.\n", __func__);
err = -EINVAL;
goto out;
}
--
2.8.1
--
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