Return-path: Received: from mail.atheros.com ([12.36.123.2]:10995 "EHLO mail.atheros.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751314Ab0EQGgw (ORCPT ); Mon, 17 May 2010 02:36:52 -0400 Received: from mail.atheros.com ([10.10.20.108]) by sidewinder.atheros.com for ; Sun, 16 May 2010 23:36:52 -0700 From: Sujith MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Message-ID: <19440.58389.396040.175315@gargle.gargle.HOWL> Date: Mon, 17 May 2010 12:07:09 +0530 To: "linville@tuxdriver.com" CC: "linux-wireless@vger.kernel.org" Subject: [PATCH 4/5] ath9k_htc: Enable SGI in HT20 for AR9271 In-Reply-To: <19440.58039.731965.709469@gargle.gargle.HOWL> References: <19440.58039.731965.709469@gargle.gargle.HOWL> Sender: linux-wireless-owner@vger.kernel.org List-ID: Hi, This patch depends on Vasanth's patch: "ath9k: Enable Short GI in 20 Mhz for ar9287 and later chips" Sujith Sujith wrote: > Signed-off-by: Sujith > --- > drivers/net/wireless/ath/ath9k/htc_drv_init.c | 3 +++ > drivers/net/wireless/ath/ath9k/htc_drv_main.c | 7 +++++-- > drivers/net/wireless/ath/ath9k/hw.c | 2 +- > 3 files changed, 9 insertions(+), 3 deletions(-) > > diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_init.c b/drivers/net/wireless/ath/ath9k/htc_drv_init.c > index 7ec2c2e..8b202e0 100644 > --- a/drivers/net/wireless/ath/ath9k/htc_drv_init.c > +++ b/drivers/net/wireless/ath/ath9k/htc_drv_init.c > @@ -404,6 +404,9 @@ static void setup_ht_cap(struct ath9k_htc_priv *priv, > IEEE80211_HT_CAP_SGI_40 | > IEEE80211_HT_CAP_DSSSCCK40; > > + if (priv->ah->caps.hw_caps & ATH9K_HW_CAP_SGI_20) > + ht_info->cap |= IEEE80211_HT_CAP_SGI_20; > + > ht_info->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K; > ht_info->ampdu_density = IEEE80211_HT_MPDU_DENSITY_8; > > diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_main.c b/drivers/net/wireless/ath/ath9k/htc_drv_main.c > index 80feeb3..6d46423 100644 > --- a/drivers/net/wireless/ath/ath9k/htc_drv_main.c > +++ b/drivers/net/wireless/ath/ath9k/htc_drv_main.c > @@ -367,9 +367,12 @@ static void ath9k_htc_setup_rate(struct ath9k_htc_priv *priv, > caps = WLAN_RC_HT_FLAG; > if (sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) > caps |= WLAN_RC_40_FLAG; > - if (sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_40) > + if (conf_is_ht40(&priv->hw->conf) && > + (sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_40)) > + caps |= WLAN_RC_SGI_FLAG; > + else if (conf_is_ht20(&priv->hw->conf) && > + (sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_20)) > caps |= WLAN_RC_SGI_FLAG; > - > } > > trate->sta_index = ista->index; > diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c > index 1985d19..45a9c84 100644 > --- a/drivers/net/wireless/ath/ath9k/hw.c > +++ b/drivers/net/wireless/ath/ath9k/hw.c > @@ -2232,7 +2232,7 @@ int ath9k_hw_fill_cap_info(struct ath_hw *ah) > if (AR_SREV_9300_20_OR_LATER(ah)) > pCap->hw_caps |= ATH9K_HW_CAP_RAC_SUPPORTED; > > - if (AR_SREV_9287_10_OR_LATER(ah)) > + if (AR_SREV_9287_10_OR_LATER(ah) || AR_SREV_9271(ah)) > pCap->hw_caps |= ATH9K_HW_CAP_SGI_20; > > return 0; > -- > 1.7.1 > > -- > To unsubscribe from this list: send the line "unsubscribe linux-wireless" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html