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path: root/drivers/bluetooth/hci_h5.c
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Diffstat (limited to 'drivers/bluetooth/hci_h5.c')
-rw-r--r--drivers/bluetooth/hci_h5.c25
1 files changed, 25 insertions, 0 deletions
diff --git a/drivers/bluetooth/hci_h5.c b/drivers/bluetooth/hci_h5.c
index a22838669b4e..ec0fa7732c0d 100644
--- a/drivers/bluetooth/hci_h5.c
+++ b/drivers/bluetooth/hci_h5.c
@@ -168,6 +168,27 @@ wakeup:
hci_uart_tx_wakeup(hu);
}
+static void h5_peer_reset(struct hci_uart *hu)
+{
+ struct h5 *h5 = hu->priv;
+
+ BT_ERR("Peer device has reset");
+
+ h5->state = H5_UNINITIALIZED;
+
+ del_timer(&h5->timer);
+
+ skb_queue_purge(&h5->rel);
+ skb_queue_purge(&h5->unrel);
+ skb_queue_purge(&h5->unack);
+
+ h5->tx_seq = 0;
+ h5->tx_ack = 0;
+
+ /* Send reset request to upper stack */
+ hci_reset_dev(hu->hdev);
+}
+
static int h5_open(struct hci_uart *hu)
{
struct h5 *h5;
@@ -283,8 +304,12 @@ static void h5_handle_internal_rx(struct hci_uart *hu)
conf_req[2] = h5_cfg_field(h5);
if (memcmp(data, sync_req, 2) == 0) {
+ if (h5->state == H5_ACTIVE)
+ h5_peer_reset(hu);
h5_link_control(hu, sync_rsp, 2);
} else if (memcmp(data, sync_rsp, 2) == 0) {
+ if (h5->state == H5_ACTIVE)
+ h5_peer_reset(hu);
h5->state = H5_INITIALIZED;
h5_link_control(hu, conf_req, 3);
} else if (memcmp(data, conf_req, 2) == 0) {