Return-path: Received: from mail-la0-f45.google.com ([209.85.215.45]:34622 "EHLO mail-la0-f45.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750710AbbCYIRa (ORCPT ); Wed, 25 Mar 2015 04:17:30 -0400 Received: by lagg8 with SMTP id g8so13509903lag.1 for ; Wed, 25 Mar 2015 01:17:29 -0700 (PDT) From: Janusz Dziedzic To: ath10k@lists.infradead.org Cc: linux-wireless@vger.kernel.org, Janusz Dziedzic Subject: [PATCH] ath10k: disable burst mode Date: Wed, 25 Mar 2015 09:14:51 +0100 Message-Id: <1427271291-31683-1-git-send-email-janusz.dziedzic@tieto.com> (sfid-20150325_091738_052457_595C8CBF) Sender: linux-wireless-owner@vger.kernel.org List-ID: Firmwares that indicate BURST_SERVICE as enabled could overwrite some wmm parameters (eg. txop). This could lead IOT and balancing issues. Hence disable this by default. Signed-off-by: Janusz Dziedzic --- drivers/net/wireless/ath/ath10k/mac.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c index 75dcd3a..b0d550b 100644 --- a/drivers/net/wireless/ath/ath10k/mac.c +++ b/drivers/net/wireless/ath/ath10k/mac.c @@ -3079,6 +3079,7 @@ static int ath10k_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant) static int ath10k_start(struct ieee80211_hw *hw) { struct ath10k *ar = hw->priv; + u32 burst_enable; int ret = 0; /* @@ -3133,6 +3134,15 @@ static int ath10k_start(struct ieee80211_hw *hw) goto err_core_stop; } + if (test_bit(WMI_SERVICE_BURST, ar->wmi.svc_map)) { + burst_enable = ar->wmi.pdev_param->burst_enable; + ret = ath10k_wmi_pdev_set_param(ar, burst_enable, 0); + if (ret) { + ath10k_warn(ar, "failed to disable burst: %d\n", ret); + goto err_core_stop; + } + } + if (ar->cfg_tx_chainmask) __ath10k_set_antenna(ar, ar->cfg_tx_chainmask, ar->cfg_rx_chainmask); -- 1.9.1