[PATCH 12/13] device property: add fwnode_get_name()
From: Tomeu Vizoso <hidden>
Date: 2015-06-17 13:44:27
Also in:
lkml
Subsystem:
driver core, kobjects, debugfs and sysfs, software nodes and device properties, the rest · Maintainers:
Greg Kroah-Hartman, "Rafael J. Wysocki", Danilo Krummrich, Linus Torvalds
Getting a textual representation of a device node can be very useful for debugging. Signed-off-by: Tomeu Vizoso <redacted> --- drivers/base/property.c | 15 +++++++++++++++ include/linux/property.h | 2 ++ 2 files changed, 17 insertions(+)
diff --git a/drivers/base/property.c b/drivers/base/property.c
index 28645a9..05e45f8 100644
--- a/drivers/base/property.c
+++ b/drivers/base/property.c@@ -542,3 +542,18 @@ struct fwnode_handle *fwnode_get_parent(struct fwnode_handle *fwnode) return NULL; } EXPORT_SYMBOL_GPL(fwnode_get_parent); + +/** + * fwnode_get_name - return the name of a device node + * @fwnode: Device node to find the name of + */ +const char *fwnode_get_name(struct fwnode_handle *fwnode) +{ + if (is_of_node(fwnode)) + return of_node(fwnode)->full_name; + else if (is_acpi_node(fwnode)) + return acpi_dev_name(acpi_node(fwnode)); + + return NULL; +} +EXPORT_SYMBOL_GPL(fwnode_get_name);
diff --git a/include/linux/property.h b/include/linux/property.h
index 01e0483..7b7c0e8 100644
--- a/include/linux/property.h
+++ b/include/linux/property.h@@ -65,6 +65,8 @@ struct fwnode_handle *device_get_next_child_node(struct device *dev, struct fwnode_handle *fwnode_get_parent(struct fwnode_handle *fwnode); +const char *fwnode_get_name(struct fwnode_handle *fwnode); + #define device_for_each_child_node(dev, child) \ for (child = device_get_next_child_node(dev, NULL); child; \ child = device_get_next_child_node(dev, child))
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2.4.1