Return-path: Received: from glaubenleben.de ([85.214.105.140]:57593 "EHLO glaubenleben.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752082AbcAFVSI (ORCPT ); Wed, 6 Jan 2016 16:18:08 -0500 From: Andreas Kemnade To: Kalle Valo , libertas-dev@lists.infradead.org, linux-wireless@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Andreas Kemnade Subject: [PATCH 4/6] wireless:libertas: do not confirm sleep if commands are pending Date: Wed, 6 Jan 2016 22:08:12 +0100 Message-Id: <1452114494-6451-5-git-send-email-andreas@kemnade.info> (sfid-20160106_221819_688516_A2287AA0) In-Reply-To: <1452114494-6451-1-git-send-email-andreas@kemnade.info> References: <1452114494-6451-1-git-send-email-andreas@kemnade.info> Sender: linux-wireless-owner@vger.kernel.org List-ID: If the main thread gets one PS AWAKE event and one PS SLEEP event in one iteration over event_fifo there will never be checks for commands to be processed, since psstate will always be PS_STATE_SLEEP or PS_STATE_PRE_SLEEP Signed-off-by: Andreas Kemnade --- drivers/net/wireless/libertas/cmdresp.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/net/wireless/libertas/cmdresp.c b/drivers/net/wireless/libertas/cmdresp.c index 701125f..c95bf6d 100644 --- a/drivers/net/wireless/libertas/cmdresp.c +++ b/drivers/net/wireless/libertas/cmdresp.c @@ -257,6 +257,10 @@ int lbs_process_event(struct lbs_private *priv, u32 event) "EVENT: in FULL POWER mode, ignoring PS_SLEEP\n"); break; } + if (!list_empty(&priv->cmdpendingq)) { + lbs_deb_cmd("EVENT: commands in queue, do not sleep\n"); + break; + } priv->psstate = PS_STATE_PRE_SLEEP; lbs_ps_confirm_sleep(priv); -- 2.1.4