From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mika Westerberg Subject: [PATCH net 1/2] net: thunderbolt: Tear down connection properly on suspend Date: Mon, 12 Feb 2018 17:10:19 +0300 Message-ID: <20180212141020.78136-1-mika.westerberg@linux.intel.com> Cc: Michael Jamet , Yehezkel Bernat , Mika Westerberg , netdev@vger.kernel.org To: "David S . Miller" Return-path: Received: from mga05.intel.com ([192.55.52.43]:6030 "EHLO mga05.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933341AbeBLOKW (ORCPT ); Mon, 12 Feb 2018 09:10:22 -0500 Sender: netdev-owner@vger.kernel.org List-ID: When suspending to mem or disk the Thunderbolt controller typically goes down as well tearing down the connection automatically. However, when suspend to idle is used this does not happen so we need to make sure the connection is properly disconnected before it can be re-established during resume. Fixes: e69b6c02b4c3 ("net: Add support for networking over Thunderbolt cable") Signed-off-by: Mika Westerberg Cc: stable@vger.kernel.org --- drivers/net/thunderbolt.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/drivers/net/thunderbolt.c b/drivers/net/thunderbolt.c index ca5e375de27c..71cf9ab72fbc 100644 --- a/drivers/net/thunderbolt.c +++ b/drivers/net/thunderbolt.c @@ -1270,10 +1270,7 @@ static int __maybe_unused tbnet_suspend(struct device *dev) stop_login(net); if (netif_running(net->dev)) { netif_device_detach(net->dev); - tb_ring_stop(net->rx_ring.ring); - tb_ring_stop(net->tx_ring.ring); - tbnet_free_buffers(&net->rx_ring); - tbnet_free_buffers(&net->tx_ring); + tbnet_tear_down(net, true); } return 0; -- 2.15.1