[Patch] bluetooth: make 3 functions in hci_conn.c static

[Américo Wang <xiyou.wangcong@xxxxxxxxx>]

hci_acl_connect()
hci_add_sco()
hci_conn_enter_sniff_mode()

these three functions can become static as there are no callers outside.

Signed-off-by: WANG Cong <xiyou.wangcong@xxxxxxxxx>

---
diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index 6c994c0..608e28b 100644
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -409,9 +409,7 @@ static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev,
 	return NULL;
 }
 
-void hci_acl_connect(struct hci_conn *conn);
 void hci_acl_disconn(struct hci_conn *conn, __u8 reason);
-void hci_add_sco(struct hci_conn *conn, __u16 handle);
 void hci_setup_sync(struct hci_conn *conn, __u16 handle);
 void hci_sco_setup(struct hci_conn *conn, __u8 status);
 
@@ -428,7 +426,6 @@ int hci_conn_change_link_key(struct hci_conn *conn);
 int hci_conn_switch_role(struct hci_conn *conn, __u8 role);
 
 void hci_conn_enter_active_mode(struct hci_conn *conn);
-void hci_conn_enter_sniff_mode(struct hci_conn *conn);
 
 void hci_conn_hold_device(struct hci_conn *conn);
 void hci_conn_put_device(struct hci_conn *conn);
diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c
index bcd158f..983a337 100644
--- a/net/bluetooth/hci_conn.c
+++ b/net/bluetooth/hci_conn.c
@@ -72,7 +72,7 @@ static void hci_le_connect_cancel(struct hci_conn *conn)
 	hci_send_cmd(conn->hdev, HCI_OP_LE_CREATE_CONN_CANCEL, 0, NULL);
 }
 
-void hci_acl_connect(struct hci_conn *conn)
+static void hci_acl_connect(struct hci_conn *conn)
 {
 	struct hci_dev *hdev = conn->hdev;
 	struct inquiry_entry *ie;
@@ -141,7 +141,7 @@ void hci_acl_disconn(struct hci_conn *conn, __u8 reason)
 	hci_send_cmd(conn->hdev, HCI_OP_DISCONNECT, sizeof(cp), &cp);
 }
 
-void hci_add_sco(struct hci_conn *conn, __u16 handle)
+static void hci_add_sco(struct hci_conn *conn, __u16 handle)
 {
 	struct hci_dev *hdev = conn->hdev;
 	struct hci_cp_add_sco cp;
@@ -260,6 +260,42 @@ static void hci_conn_timeout(unsigned long arg)
 	hci_dev_unlock(hdev);
 }
 
+/* Enter sniff mode */
+static void hci_conn_enter_sniff_mode(struct hci_conn *conn)
+{
+	struct hci_dev *hdev = conn->hdev;
+
+	BT_DBG("conn %p mode %d", conn, conn->mode);
+
+	if (test_bit(HCI_RAW, &hdev->flags))
+		return;
+
+	if (!lmp_sniff_capable(hdev) || !lmp_sniff_capable(conn))
+		return;
+
+	if (conn->mode != HCI_CM_ACTIVE || !(conn->link_policy & HCI_LP_SNIFF))
+		return;
+
+	if (lmp_sniffsubr_capable(hdev) && lmp_sniffsubr_capable(conn)) {
+		struct hci_cp_sniff_subrate cp;
+		cp.handle             = cpu_to_le16(conn->handle);
+		cp.max_latency        = cpu_to_le16(0);
+		cp.min_remote_timeout = cpu_to_le16(0);
+		cp.min_local_timeout  = cpu_to_le16(0);
+		hci_send_cmd(hdev, HCI_OP_SNIFF_SUBRATE, sizeof(cp), &cp);
+	}
+
+	if (!test_and_set_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->pend)) {
+		struct hci_cp_sniff_mode cp;
+		cp.handle       = cpu_to_le16(conn->handle);
+		cp.max_interval = cpu_to_le16(hdev->sniff_max_interval);
+		cp.min_interval = cpu_to_le16(hdev->sniff_min_interval);
+		cp.attempt      = cpu_to_le16(4);
+		cp.timeout      = cpu_to_le16(1);
+		hci_send_cmd(hdev, HCI_OP_SNIFF_MODE, sizeof(cp), &cp);
+	}
+}
+
 static void hci_conn_idle(unsigned long arg)
 {
 	struct hci_conn *conn = (void *) arg;
@@ -703,42 +739,6 @@ timer:
 			jiffies + msecs_to_jiffies(hdev->idle_timeout));
 }
 
-/* Enter sniff mode */
-void hci_conn_enter_sniff_mode(struct hci_conn *conn)
-{
-	struct hci_dev *hdev = conn->hdev;
-
-	BT_DBG("conn %p mode %d", conn, conn->mode);
-
-	if (test_bit(HCI_RAW, &hdev->flags))
-		return;
-
-	if (!lmp_sniff_capable(hdev) || !lmp_sniff_capable(conn))
-		return;
-
-	if (conn->mode != HCI_CM_ACTIVE || !(conn->link_policy & HCI_LP_SNIFF))
-		return;
-
-	if (lmp_sniffsubr_capable(hdev) && lmp_sniffsubr_capable(conn)) {
-		struct hci_cp_sniff_subrate cp;
-		cp.handle             = cpu_to_le16(conn->handle);
-		cp.max_latency        = cpu_to_le16(0);
-		cp.min_remote_timeout = cpu_to_le16(0);
-		cp.min_local_timeout  = cpu_to_le16(0);
-		hci_send_cmd(hdev, HCI_OP_SNIFF_SUBRATE, sizeof(cp), &cp);
-	}
-
-	if (!test_and_set_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->pend)) {
-		struct hci_cp_sniff_mode cp;
-		cp.handle       = cpu_to_le16(conn->handle);
-		cp.max_interval = cpu_to_le16(hdev->sniff_max_interval);
-		cp.min_interval = cpu_to_le16(hdev->sniff_min_interval);
-		cp.attempt      = cpu_to_le16(4);
-		cp.timeout      = cpu_to_le16(1);
-		hci_send_cmd(hdev, HCI_OP_SNIFF_MODE, sizeof(cp), &cp);
-	}
-}
-
 /* Drop all connection on the device */
 void hci_conn_hash_flush(struct hci_dev *hdev)
 {