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mt76: mac: minor optimizations in mt76x02_mac_tx_rate_val

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Do not set bw variable to zero for legacy rates since it is already
initialized to zero. Moreover set nss to 1 just for legacy rates
since nss will be properly set for VHT/HT rates

Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Lorenzo Bianconi 2018-12-28 11:00:47 +01:00 committed by Felix Fietkau
parent f82ce8d9bd
commit c09f4d0a1f
1 changed files with 2 additions and 4 deletions
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6
drivers/net/wireless/mediatek/mt76/mt76x02_mac.c
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@ -130,10 +130,8 @@ static __le16
mt76x02_mac_tx_rate_val(struct mt76x02_dev *dev,
const struct ieee80211_tx_rate *rate, u8 *nss_val)
{
u8 phy, rate_idx, nss, bw = 0;
u16 rateval;
u8 phy, rate_idx;
u8 nss = 1;
u8 bw = 0;
if (rate->flags & IEEE80211_TX_RC_VHT_MCS) {
rate_idx = rate->idx;
@ -164,7 +162,7 @@ mt76x02_mac_tx_rate_val(struct mt76x02_dev *dev,
phy = val >> 8;
rate_idx = val & 0xff;
bw = 0;
nss = 1;
}
rateval = FIELD_PREP(MT_RXWI_RATE_INDEX, rate_idx);