From: Eyal Shapira Date: Sun, 5 Jan 2014 17:27:24 +0000 (+0200) Subject: iwlwifi: mvm: don't use highest rate in VHT MCS Set X-Git-Tag: v4.0~2533^2~3^2^2~5^2~1 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=cf38e4f756d6396657c76f72ef42b6f47c523f97;p=platform%2Fkernel%2Flinux-amlogic.git iwlwifi: mvm: don't use highest rate in VHT MCS Set Keeping this as 0 is ok according to spec section 9.7.11 as this means the limits are according to the Tx/Rx supported MCS x NSS bitmap. Initially we've set these as there were concerns of interop issues but these turned out to be false. Signed-off-by: Eyal Shapira Reviewed-by: Johannes Berg Signed-off-by: Emmanuel Grumbach --- diff --git a/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c b/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c index 0c677b4..f06f4cb 100644 --- a/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c +++ b/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c @@ -289,9 +289,6 @@ static void iwl_init_vht_hw_capab(const struct iwl_cfg *cfg, IEEE80211_VHT_MCS_NOT_SUPPORTED << 12 | IEEE80211_VHT_MCS_NOT_SUPPORTED << 14); - /* Max rate for Long GI NSS=2 80Mhz is 780Mbps */ - vht_cap->vht_mcs.rx_highest = cpu_to_le16(780); - if (num_ants == 1 || cfg->rx_with_siso_diversity) { vht_cap->cap |= IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN | @@ -299,12 +296,9 @@ static void iwl_init_vht_hw_capab(const struct iwl_cfg *cfg, /* this works because NOT_SUPPORTED == 3 */ vht_cap->vht_mcs.rx_mcs_map |= cpu_to_le16(IEEE80211_VHT_MCS_NOT_SUPPORTED << 2); - /* Max rate for Long GI NSS=1 80Mhz is 390Mbps */ - vht_cap->vht_mcs.rx_highest = cpu_to_le16(390); } vht_cap->vht_mcs.tx_mcs_map = vht_cap->vht_mcs.rx_mcs_map; - vht_cap->vht_mcs.tx_highest = vht_cap->vht_mcs.rx_highest; } static void iwl_init_sbands(struct device *dev, const struct iwl_cfg *cfg,