Return-path: Received: from mail.atheros.com ([12.36.123.2]:52216 "EHLO mail.atheros.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753629AbZAJLji (ORCPT ); Sat, 10 Jan 2009 06:39:38 -0500 Received: from mail.atheros.com ([10.10.20.105]) by sidewinder.atheros.com for ; Sat, 10 Jan 2009 03:39:38 -0800 From: Vasanthakumar Thiagarajan To: CC: , , , Subject: [PATCH] ath9k: Fix basic connectivity issue Date: Sat, 10 Jan 2009 17:07:09 +0530 Message-ID: <1231587429-23989-1-git-send-email-vasanth@atheros.com> (sfid-20090110_123942_176836_59B52955) MIME-Version: 1.0 Content-Type: text/plain Sender: linux-wireless-owner@vger.kernel.org List-ID: This patch temporarily fixes a regression introduced by BT coexistence support. There is an instability in connection when BT coexistence is enabled on some h/w. This interim fix introduces a module parameter for BT coexistence configuration. Signed-off-by: Vasanthakumar Thiagarajan --- drivers/net/wireless/ath9k/hw.c | 6 +++++- 1 files changed, 5 insertions(+), 1 deletions(-) diff --git a/drivers/net/wireless/ath9k/hw.c b/drivers/net/wireless/ath9k/hw.c index cbd408f..6800e5c 100644 --- a/drivers/net/wireless/ath9k/hw.c +++ b/drivers/net/wireless/ath9k/hw.c @@ -23,6 +23,10 @@ #include "phy.h" #include "initvals.h" +static int btcoex_enable; +module_param(btcoex_enable, bool, 0); +MODULE_PARM_DESC(btcoex_enable, "Enable Bluetooth coexistence support"); + #define ATH9K_CLOCK_RATE_CCK 22 #define ATH9K_CLOCK_RATE_5GHZ_OFDM 40 #define ATH9K_CLOCK_RATE_2GHZ_OFDM 44 @@ -3359,7 +3363,7 @@ bool ath9k_hw_fill_cap_info(struct ath_hal *ah) pCap->num_antcfg_2ghz = ath9k_hw_get_num_ant_config(ah, ATH9K_HAL_FREQ_BAND_2GHZ); - if (AR_SREV_9280_10_OR_LATER(ah)) { + if (AR_SREV_9280_10_OR_LATER(ah) && btcoex_enable) { pCap->hw_caps |= ATH9K_HW_CAP_BT_COEX; ah->ah_btactive_gpio = 6; ah->ah_wlanactive_gpio = 5; -- 1.5.5.1