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 <[email protected]> --- 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
