From e7e242bccb209b5f73455b33928b8680cc6e3319 Mon Sep 17 00:00:00 2001 From: Sakari Ailus Date: Thu, 3 Oct 2019 15:32:13 +0300 Subject: device property: Add a function to obtain a node's prefix The prefix is used for printing purpose before a node, and it also works as a separator between two nodes. Signed-off-by: Sakari Ailus Acked-by: Rob Herring (for OF) Reviewed-by: Andy Shevchenko Signed-off-by: Rafael J. Wysocki --- drivers/of/property.c | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'drivers/of') diff --git a/drivers/of/property.c b/drivers/of/property.c index 5bed634551ea..e8202f61a5d9 100644 --- a/drivers/of/property.c +++ b/drivers/of/property.c @@ -877,6 +877,15 @@ static const char *of_fwnode_get_name(const struct fwnode_handle *fwnode) return kbasename(to_of_node(fwnode)->full_name); } +static const char *of_fwnode_get_name_prefix(const struct fwnode_handle *fwnode) +{ + /* Root needs no prefix here (its name is "/"). */ + if (!to_of_node(fwnode)->parent) + return ""; + + return "/"; +} + static struct fwnode_handle * of_fwnode_get_parent(const struct fwnode_handle *fwnode) { @@ -999,6 +1008,7 @@ const struct fwnode_operations of_fwnode_ops = { .property_read_int_array = of_fwnode_property_read_int_array, .property_read_string_array = of_fwnode_property_read_string_array, .get_name = of_fwnode_get_name, + .get_name_prefix = of_fwnode_get_name_prefix, .get_parent = of_fwnode_get_parent, .get_next_child_node = of_fwnode_get_next_child_node, .get_named_child_node = of_fwnode_get_named_child_node, -- cgit v1.2.3