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[1/8] drivers: base: Helpers for adding device connection descriptions

Message ID 20180831142026.49401-2-heikki.krogerus@linux.intel.com (mailing list archive)
State New, archived
Headers show
Series usb: typec: A few more improvements for Intel CHT | expand

Commit Message

Heikki Krogerus Aug. 31, 2018, 2:20 p.m. UTC 
Introducing helpers for adding and removing multiple device
connection descriptions at once.

Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
---
 include/linux/device.h | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
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Patch

diff --git a/include/linux/device.h b/include/linux/device.h
index 8f882549edee..3f1066a9e1c3 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -773,6 +773,30 @@  struct device *device_connection_find(struct device *dev, const char *con_id);
 void device_connection_add(struct device_connection *con);
 void device_connection_remove(struct device_connection *con);
 
+/**
+ * device_connections_add - Add multiple device connections at once
+ * @cons: Zero terminated array of device connection descriptors
+ */
+static inline void device_connections_add(struct device_connection *cons)
+{
+	struct device_connection *c;
+
+	for (c = cons; c->endpoint[0]; c++)
+		device_connection_add(c);
+}
+
+/**
+ * device_connections_remove - Remove multiple device connections at once
+ * @cons: Zero terminated array of device connection descriptors
+ */
+static inline void device_connections_remove(struct device_connection *cons)
+{
+	struct device_connection *c;
+
+	for (c = cons; c->endpoint[0]; c++)
+		device_connection_remove(c);
+}
+
 /**
  * enum device_link_state - Device link states.
  * @DL_STATE_NONE: The presence of the drivers is not being tracked.