From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751222AbbFMSTi (ORCPT ); Sat, 13 Jun 2015 14:19:38 -0400 Received: from mga01.intel.com ([192.55.52.88]:31795 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750749AbbFMSTc (ORCPT ); Sat, 13 Jun 2015 14:19:32 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.13,608,1427785200"; d="scan'208";a="587264206" From: Tomas Winkler To: gregkh@linuxfoundation.org Cc: arnd@arndb.de, linux-kernel@vger.kernel.org, Alexander Usyskin , , Tomas Winkler Subject: [char-misc] mei: reset flow control on the last client disconnection Date: Sat, 13 Jun 2015 21:18:40 +0300 Message-Id: <1434219520-6203-1-git-send-email-tomas.winkler@intel.com> X-Mailer: git-send-email 2.4.2 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Alexander Usyskin The FW resets the flow control for single buffer clients when the last host client disconnects, also the driver has to follow this policy and zero the flow control counter in such case. Cc: #4.1 Signed-off-by: Alexander Usyskin Signed-off-by: Tomas Winkler --- drivers/misc/mei/client.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/misc/mei/client.c b/drivers/misc/mei/client.c index ae0160e02b34..6decbe136ea7 100644 --- a/drivers/misc/mei/client.c +++ b/drivers/misc/mei/client.c @@ -755,6 +755,9 @@ void mei_cl_set_disconnected(struct mei_cl *cl) if (!WARN_ON(cl->me_cl->connect_count == 0)) cl->me_cl->connect_count--; + if (cl->me_cl->connect_count == 0) + cl->me_cl->mei_flow_ctrl_creds = 0; + mei_me_cl_put(cl->me_cl); cl->me_cl = NULL; } -- 2.4.2