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mt76: mt76x2: simplify per-chain signal strength handling

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There is no need to use a for loop here, supported chips can only support
up to 2 chains.

Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Felix Fietkau 2019-02-18 20:29:11 +01:00
parent f2f6a47b50
commit 9f68847340
1 changed files with 8 additions and 7 deletions
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15
drivers/net/wireless/mediatek/mt76/mt76x02_mac.c
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@ -608,7 +608,7 @@ int mt76x02_mac_process_rx(struct mt76x02_dev *dev, struct sk_buff *skb,
u16 rate = le16_to_cpu(rxwi->rate);
u16 tid_sn = le16_to_cpu(rxwi->tid_sn);
bool unicast = rxwi->rxinfo & cpu_to_le32(MT_RXINFO_UNICAST);
int i, pad_len = 0, nstreams = dev->mt76.chainmask & 0xf;
int pad_len = 0, nstreams = dev->mt76.chainmask & 0xf;
s8 signal;
u8 pn_len;
u8 wcid;
@ -668,12 +668,13 @@ int mt76x02_mac_process_rx(struct mt76x02_dev *dev, struct sk_buff *skb,
status->chains = BIT(0);
signal = mt76x02_mac_get_rssi(dev, rxwi->rssi[0], 0);
for (i = 0; i < nstreams; i++) {
status->chains |= BIT(i);
status->chain_signal[i] = mt76x02_mac_get_rssi(dev,
rxwi->rssi[i],
i);
signal = max_t(s8, signal, status->chain_signal[i]);
status->chain_signal[0] = signal;
if (nstreams > 1) {
status->chains |= BIT(1);
status->chain_signal[1] = mt76x02_mac_get_rssi(dev,
rxwi->rssi[1],
1);
signal = max_t(s8, signal, status->chain_signal[1]);
}
status->signal = signal;
status->freq = dev->mt76.chandef.chan->center_freq;