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ath9k: initialize tx chainmask before testing channel tx power values 

With an uninitialized chainmask, the per-channel power will only contain
the power limits for a single chain instead of the combined tx power.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Cc: stable@kernel.org
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Felix Fietkau 2011-07-27 15:01:02 +02:00 committed by John W. Linville
parent 5bc91db893
commit c1227340ca
1 changed files with 2 additions and 0 deletions
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2
drivers/net/wireless/ath/ath9k/init.c
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@ -669,8 +669,10 @@ static void ath9k_init_band_txpower(struct ath_softc *sc, int band)
static void ath9k_init_txpower_limits(struct ath_softc *sc)
{
struct ath_hw *ah = sc->sc_ah;
struct ath_common *common = ath9k_hw_common(sc->sc_ah);
struct ath9k_channel *curchan = ah->curchan;
ah->txchainmask = common->tx_chainmask;
if (ah->caps.hw_caps & ATH9K_HW_CAP_2GHZ)
ath9k_init_band_txpower(sc, IEEE80211_BAND_2GHZ);
if (ah->caps.hw_caps & ATH9K_HW_CAP_5GHZ)