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| author | Sakari Ailus <sakari.ailus@linux.intel.com> | 2019-10-03 15:32:13 +0300 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2019-10-11 12:26:55 +0300 |
| commit | e7e242bccb209b5f73455b33928b8680cc6e3319 (patch) | |
| tree | 71ab6dcb21967662c41dae3fd869b421f5775b60 /drivers/of | |
| parent | bc0500c1e43d95cca5352d2345fb0769f314ba22 (diff) | |
| download | linux-e7e242bccb209b5f73455b33928b8680cc6e3319.tar.xz | |
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 <sakari.ailus@linux.intel.com>
Acked-by: Rob Herring <robh@kernel.org> (for OF)
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/of')
| -rw-r--r-- | drivers/of/property.c | 10 |
1 files changed, 10 insertions, 0 deletions
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, |