[PATCH 3/3] staging: greybus: loopback.c: simplify prototype of gb_loopback_bus_id_compare

[Rasmus Villemoes <linux@rasmusvillemoes.dk>]

gb_loopback_bus_id_compare only has a single caller, and it no longer
needs to have a prototype compatible with being a callback for
list_sort.

Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
---
 drivers/staging/greybus/loopback.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/drivers/staging/greybus/loopback.c b/drivers/staging/greybus/loopback.c
index 89c3f6fd8ddf..2c7bad66bb31 100644
--- a/drivers/staging/greybus/loopback.c
+++ b/drivers/staging/greybus/loopback.c
@@ -987,11 +987,8 @@ static const struct file_operations gb_loopback_debugfs_latency_ops = {
 	.release	= single_release,
 };
 
-static int gb_loopback_bus_id_compare(void *priv, struct list_head *lha,
-				      struct list_head *lhb)
+static int gb_loopback_bus_id_compare(struct gb_loopback *a, struct gb_loopback *b)
 {
-	struct gb_loopback *a = list_entry(lha, struct gb_loopback, entry);
-	struct gb_loopback *b = list_entry(lhb, struct gb_loopback, entry);
 	struct gb_connection *ca = a->connection;
 	struct gb_connection *cb = b->connection;
 
@@ -1022,7 +1019,7 @@ static void gb_loopback_insert_id(struct gb_loopback *gb)
 	 * and we thus insert at the end.
 	 */
 	list_for_each_entry(gb_list, &gb_dev.list, entry) {
-		if (gb_loopback_bus_id_compare(NULL, &gb->entry, &gb_list->entry) < 0)
+		if (gb_loopback_bus_id_compare(gb, gb_list) < 0)
 			break;
 	}
 	list_add_tail(&gb->entry, &gb_list->entry);
-- 
2.19.0