greybus: hd: rename host-driver structure

Rename host-driver structure to gb_hd_driver to more clearly separate it
from the host-device structure.

Also remove an outdated description of the struct.
Signed-off-by: Johan Hovold <johan@hovoldconsulting.com>
Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>

drivers/staging/greybus/es1.c

@@ -325,7 +325,7 @@ static int latency_tag_disable(struct gb_host_device *hd, u16 cport_id)
 	return retval;
 }
 
-static struct greybus_host_driver es1_driver = {
+static struct gb_hd_driver es1_driver = {
 	.hd_priv_size		= sizeof(struct es1_ap_dev),
 	.message_send		= message_send,
 	.message_cancel		= message_cancel,

drivers/staging/greybus/es2.c

@@ -471,7 +471,7 @@ static int latency_tag_disable(struct gb_host_device *hd, u16 cport_id)
 	return retval;
 }
 
-static struct greybus_host_driver es2_driver = {
+static struct gb_hd_driver es2_driver = {
 	.hd_priv_size		= sizeof(struct es2_ap_dev),
 	.message_send		= message_send,
 	.message_cancel		= message_cancel,

drivers/staging/greybus/hd.c

@@ -28,7 +28,7 @@ static void free_hd(struct kref *kref)
 	mutex_unlock(&hd_mutex);
 }
 
-struct gb_host_device *greybus_create_hd(struct greybus_host_driver *driver,
+struct gb_host_device *greybus_create_hd(struct gb_hd_driver *driver,
 					      struct device *parent,
 					      size_t buffer_size_max,
 					      size_t num_cports)
@@ -40,7 +40,7 @@ struct gb_host_device *greybus_create_hd(struct greybus_host_driver *driver,
 	 * so that we don't have to every time we make them.
 	 */
 	if ((!driver->message_send) || (!driver->message_cancel)) {
-		pr_err("Must implement all greybus_host_driver callbacks!\n");
+		pr_err("Must implement all gb_hd_driver callbacks!\n");
 		return ERR_PTR(-EINVAL);
 	}
 

drivers/staging/greybus/hd.h

@@ -13,10 +13,7 @@
 struct gb_host_device;
 struct gb_message;
 
-/* Greybus "Host driver" structure, needed by a host controller driver to be
- * able to handle both SVC control as well as "real" greybus messages
- */
-struct greybus_host_driver {
+struct gb_hd_driver {
 	size_t	hd_priv_size;
 
 	int (*cport_enable)(struct gb_host_device *hd, u16 cport_id);
@@ -31,7 +28,7 @@ struct greybus_host_driver {
 struct gb_host_device {
 	struct kref kref;
 	struct device *parent;
-	const struct greybus_host_driver *driver;
+	const struct gb_hd_driver *driver;
 
 	struct list_head interfaces;
 	struct list_head connections;
@@ -51,7 +48,7 @@ struct gb_host_device {
 	unsigned long hd_priv[0] __aligned(sizeof(s64));
 };
 
-struct gb_host_device *greybus_create_hd(struct greybus_host_driver *hd,
+struct gb_host_device *greybus_create_hd(struct gb_hd_driver *driver,
 					      struct device *parent,
 					      size_t buffer_size_max,
 					      size_t num_cports);