[PATCH v2 03/22] device property: add fwnode_get_name()
From: Tomeu Vizoso <hidden>
Date: 2015-07-28 13:29:55
Also in:
linux-acpi, linux-arm-kernel, 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> --- Changes in v2: - Use of_node_full_name() 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 f3f6d167f3f1..efa74803af30 100644
--- a/drivers/base/property.c
+++ b/drivers/base/property.c@@ -533,3 +533,18 @@ bool device_dma_is_coherent(struct device *dev) return coherent; } EXPORT_SYMBOL_GPL(device_dma_is_coherent); + +/** + * 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_full_name(to_of_node(fwnode)); + else if (is_acpi_node(fwnode)) + return acpi_dev_name(to_acpi_node(fwnode)); + + return NULL; +} +EXPORT_SYMBOL_GPL(fwnode_get_name);
diff --git a/include/linux/property.h b/include/linux/property.h
index 76ebde9c11d4..826f156f7288 100644
--- a/include/linux/property.h
+++ b/include/linux/property.h@@ -63,6 +63,8 @@ int fwnode_property_read_string(struct fwnode_handle *fwnode, struct fwnode_handle *device_get_next_child_node(struct device *dev, struct fwnode_handle *child); +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))
--
2.4.3