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authorHeikki Krogerus <heikki.krogerus@linux.intel.com>2019-05-31 17:15:37 +0300
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2019-06-03 10:55:38 +0200
commitdad9bb017865ae794b6cdfac40d60b1466a09195 (patch)
tree0b3205e395a29ef6448f2084b25abfc31968734e /include/linux/device.h
parentb06184acf751fa52a3763e4fadfd2807e9703acd (diff)
driver core: Add helper device_find_child_by_name()
It looks like the child device is often matched with a name. This introduces a helper that does it automatically. Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Tested-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'include/linux/device.h')
-rw-r--r--include/linux/device.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/device.h b/include/linux/device.h
index e85264fb6616..5489a759e1c5 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -1250,6 +1250,8 @@ extern int device_for_each_child_reverse(struct device *dev, void *data,
int (*fn)(struct device *dev, void *data));
extern struct device *device_find_child(struct device *dev, void *data,
int (*match)(struct device *dev, void *data));
+extern struct device *device_find_child_by_name(struct device *parent,
+ const char *name);
extern int device_rename(struct device *dev, const char *new_name);
extern int device_move(struct device *dev, struct device *new_parent,
enum dpm_order dpm_order);