HSI: method to unregister clients from an hsi port

This exports a method to unregister all clients from an hsi port. Signed-off-by: Sebastian Reichel <[email protected]> Reviewed-by: Pavel Machek <[email protected]> Tested-By: Ivaylo Dimitrov <[email protected]>
cluon · May 15, 2014 · a0bf37e · a0bf37e
1 parent 84d93b5
commit a0bf37e
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diff --git a/drivers/hsi/hsi.c b/drivers/hsi/hsi.c
@@ -129,6 +129,16 @@ static void hsi_port_release(struct device *dev)
 	kfree(to_hsi_port(dev));
 }
 
+/**
+ * hsi_unregister_port - Unregister an HSI port
+ * @port: The HSI port to unregister
+ */
+void hsi_port_unregister_clients(struct hsi_port *port)
+{
+	device_for_each_child(&port->device, NULL, hsi_remove_client);
+}
+EXPORT_SYMBOL_GPL(hsi_port_unregister_clients);
+
 /**
  * hsi_unregister_controller - Unregister an HSI controller
  * @hsi: The HSI controller to register

diff --git a/include/linux/hsi/hsi.h b/include/linux/hsi/hsi.h
@@ -282,6 +282,7 @@ struct hsi_controller *hsi_alloc_controller(unsigned int n_ports, gfp_t flags);
 void hsi_put_controller(struct hsi_controller *hsi);
 int hsi_register_controller(struct hsi_controller *hsi);
 void hsi_unregister_controller(struct hsi_controller *hsi);
+void hsi_port_unregister_clients(struct hsi_port *port);
 
 static inline void hsi_controller_set_drvdata(struct hsi_controller *hsi,
 								void *data)