diff options
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt7921/init.c')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7921/init.c | 54 |
1 files changed, 51 insertions, 3 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/init.c b/drivers/net/wireless/mediatek/mt76/mt7921/init.c index ff63f37f67d9..55baac70860b 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/init.c +++ b/drivers/net/wireless/mediatek/mt76/mt7921/init.c @@ -55,10 +55,56 @@ static int mt7921_thermal_init(struct mt792x_phy *phy) hwmon = devm_hwmon_device_register_with_groups(&wiphy->dev, name, phy, mt7921_hwmon_groups); - if (IS_ERR(hwmon)) - return PTR_ERR(hwmon); + return PTR_ERR_OR_ZERO(hwmon); +} - return 0; +static void +mt7921_regd_channel_update(struct wiphy *wiphy, struct mt792x_dev *dev) +{ +#define IS_UNII_INVALID(idx, sfreq, efreq) \ + (!(dev->phy.clc_chan_conf & BIT(idx)) && (cfreq) >= (sfreq) && (cfreq) <= (efreq)) + struct ieee80211_supported_band *sband; + struct mt76_dev *mdev = &dev->mt76; + struct device_node *np, *band_np; + struct ieee80211_channel *ch; + int i, cfreq; + + np = mt76_find_power_limits_node(mdev); + + sband = wiphy->bands[NL80211_BAND_5GHZ]; + band_np = np ? of_get_child_by_name(np, "txpower-5g") : NULL; + for (i = 0; i < sband->n_channels; i++) { + ch = &sband->channels[i]; + cfreq = ch->center_freq; + + if (np && (!band_np || !mt76_find_channel_node(band_np, ch))) { + ch->flags |= IEEE80211_CHAN_DISABLED; + continue; + } + + /* UNII-4 */ + if (IS_UNII_INVALID(0, 5850, 5925)) + ch->flags |= IEEE80211_CHAN_DISABLED; + } + + sband = wiphy->bands[NL80211_BAND_6GHZ]; + band_np = np ? of_get_child_by_name(np, "txpower-6g") : NULL; + for (i = 0; i < sband->n_channels; i++) { + ch = &sband->channels[i]; + cfreq = ch->center_freq; + + if (np && (!band_np || !mt76_find_channel_node(band_np, ch))) { + ch->flags |= IEEE80211_CHAN_DISABLED; + continue; + } + + /* UNII-5/6/7/8 */ + if (IS_UNII_INVALID(1, 5925, 6425) || + IS_UNII_INVALID(2, 6425, 6525) || + IS_UNII_INVALID(3, 6525, 6875) || + IS_UNII_INVALID(4, 6875, 7125)) + ch->flags |= IEEE80211_CHAN_DISABLED; + } } static void @@ -77,6 +123,8 @@ mt7921_regd_notifier(struct wiphy *wiphy, mt76_connac_mcu_set_channel_domain(hw->priv); mt7921_set_tx_sar_pwr(hw, NULL); mt792x_mutex_release(dev); + + mt7921_regd_channel_update(wiphy, dev); } int mt7921_mac_init(struct mt792x_dev *dev) |