linux-kernel - [PATCH 4.19 129/134] drivers: base: Helpers for adding device connection descriptions

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Message-Id: <20190401170056.269626760@linuxfoundation.org>
Date:   Mon,  1 Apr 2019 19:02:45 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Hans de Goede <hdegoede@...hat.com>,
        Heikki Krogerus <heikki.krogerus@...ux.intel.com>
Subject: [PATCH 4.19 129/134] drivers: base: Helpers for adding device connection descriptions

4.19-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Heikki Krogerus <heikki.krogerus@...ux.intel.com>

commit cd7753d371388e712e3ee52b693459f9b71aaac2 upstream.

Introducing helpers for adding and removing multiple device
connection descriptions at once.

Acked-by: Hans de Goede <hdegoede@...hat.com>
Tested-by: Hans de Goede <hdegoede@...hat.com>
Signed-off-by: Heikki Krogerus <heikki.krogerus@...ux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 include/linux/device.h |   24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -774,6 +774,30 @@ void device_connection_add(struct device
 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.
  * @DL_STATE_DORMANT: None of the supplier/consumer drivers is present.