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Commit 2e1fea43 authored by Johannes Berg's avatar Johannes Berg Committed by John W. Linville
Browse files

iwlagn: fix needed chains calculation 



Garen noticed that this was wrong. Fix
the calibration -- default to multiple
chains and fall back to single where
possible.

Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
Signed-off-by: default avatarWey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 35a6eb36

drivers/net/wireless/iwlwifi/iwl-agn-rxon.c

+3 −1
Original line number Diff line number Diff line
@@ -458,11 +458,13 @@ static void iwlagn_check_needed_chains(struct iwl_priv *priv, 
					>> IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT;

			maxstreams += 1;



			need_multiple = true;



			if ((ht_cap->mcs.rx_mask[1] == 0) &&

			    (ht_cap->mcs.rx_mask[2] == 0))

				need_multiple = false;

			if (maxstreams <= 1)

				need_multiple = true;

				need_multiple = false;

		} else {

			/*

			 * If at all, this can only happen through a race