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device property: Add fwnode_get_name for returning the name of a node

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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>
This commit is contained in:
Sakari Ailus
2019-10-03 15:32:12 +03:00
committed by Rafael J. Wysocki
parent 87e5e95db3
commit bc0500c1e4
6 changed files with 58 additions and 0 deletions
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12
drivers/base/swnode.c
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@@ -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,