wifi: mt76: mt7915: fix slot time for 5/6GHz

It should only be set to 20 for long slot time on 2.4 GHz

Link: https://patch.msgid.link/20241230194202.95065-3-nbd@nbd.name
Signed-off-by: Felix Fietkau <nbd@nbd.name>

diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/main.c b/drivers/net/wireless/mediatek/mt76/mt7915/main.c
index 351285daac99f73a3bb822e6ba47c91569c0c589..2d4457fbb5abdb90ceced255bae026fcef3e89aa 100644 (file)
--- a/drivers/net/wireless/mediatek/mt76/mt7915/main.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/main.c
@@ -634,7 +634,11 @@ static void mt7915_bss_info_changed(struct ieee80211_hw *hw,
                mt7915_mac_enable_rtscts(dev, vif, info->use_cts_prot);
 
        if (changed & BSS_CHANGED_ERP_SLOT) {
-               int slottime = info->use_short_slot ? 9 : 20;
+               int slottime = 9;
+
+               if (phy->mt76->chandef.chan->band == NL80211_BAND_2GHZ &&
+                   !info->use_short_slot)
+                       slottime = 20;
 
                if (slottime != phy->slottime) {
                        phy->slottime = slottime;