diff options
| author |   Sakari Ailus <sakari.ailus@linux.intel.com> | 2019-10-03 15:32:12 +0300 |
|---|---|---|
| committer |   Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2019-10-11 11:26:55 +0200 |
| commit | bc0500c1e43d95cca5352d2345fb0769f314ba22 (patch) | |
| tree | 1fcd05c86bed87b0d3199c8e8670b4f72d3c62b0 /drivers/base | |
| parent | device property: Add functions for accessing node's parents (diff) | |
| download | linux-dev-bc0500c1e43d95cca5352d2345fb0769f314ba22.tar.xz linux-dev-bc0500c1e43d95cca5352d2345fb0769f314ba22.zip | |
device property: Add fwnode_get_name for returning the name of a node
The fwnode framework did not have means to obtain the name of a node. Add
that now, in form of the fwnode_get_name() function and a corresponding
get_name fwnode op. OF and ACPI support is included.
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/base')
| -rw-r--r-- | drivers/base/property.c | 11 | ||||
| -rw-r--r-- | drivers/base/swnode.c | 12 |
2 files changed, 23 insertions, 0 deletions
diff --git a/drivers/base/property.c b/drivers/base/property.c index f2e555e68b56..9b5ec88e72d8 100644 --- a/drivers/base/property.c +++ b/drivers/base/property.c @@ -557,6 +557,17 @@ int device_add_properties(struct device *dev, EXPORT_SYMBOL_GPL(device_add_properties); /** + * fwnode_get_name - Return the name of a node + * @fwnode: The firmware node + * + * Returns a pointer to the node name. + */ +const char *fwnode_get_name(const struct fwnode_handle *fwnode) +{ + return fwnode_call_ptr_op(fwnode, get_name); +} + +/** * fwnode_get_parent - Return parent firwmare node * @fwnode: Firmware whose parent is retrieved * diff --git a/drivers/base/swnode.c b/drivers/base/swnode.c index 9cde143201f5..eacca6a6626b 100644 --- a/drivers/base/swnode.c +++ b/drivers/base/swnode.c @@ -515,6 +515,17 @@ static int software_node_read_string_array(const struct fwnode_handle *fwnode, propname, val, nval); } +static const char * +software_node_get_name(const struct fwnode_handle *fwnode) +{ + const struct swnode *swnode = to_swnode(fwnode); + + if (!swnode) + return "(null)"; + + return kobject_name(&swnode->kobj); +} + static struct fwnode_handle * software_node_get_parent(const struct fwnode_handle *fwnode) { @@ -615,6 +626,7 @@ static const struct fwnode_operations software_node_ops = { .property_present = software_node_property_present, .property_read_int_array = software_node_read_int_array, .property_read_string_array = software_node_read_string_array, + .get_name = software_node_get_name, .get_parent = software_node_get_parent, .get_next_child_node = software_node_get_next_child, .get_named_child_node = software_node_get_named_child_node, |