diff options
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt76x0')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt76x0/Kconfig | 12 | ||||
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt76x0/eeprom.c | 5 | ||||
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt76x0/main.c | 17 | ||||
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt76x0/mt76x0.h | 2 | ||||
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt76x0/pci.c | 30 | ||||
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt76x0/pci_mcu.c | 13 | ||||
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt76x0/phy.c | 49 | ||||
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt76x0/phy.h | 10 | ||||
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt76x0/usb.c | 28 | ||||
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt76x0/usb_mcu.c | 13 |
10 files changed, 90 insertions, 89 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/Kconfig b/drivers/net/wireless/mediatek/mt76/mt76x0/Kconfig index 209d8abc49d5..7c88ed8b8f1e 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x0/Kconfig +++ b/drivers/net/wireless/mediatek/mt76/mt76x0/Kconfig @@ -10,7 +10,11 @@ config MT76x0U depends on MAC80211 depends on USB help - This adds support for MT7610U-based wireless USB dongles. + This adds support for MT7610U-based wireless USB 2.0 dongles, + which comply with IEEE 802.11ac standards and support 1x1 + 433Mbps PHY rate. + + To compile this driver as a module, choose M here. config MT76x0E tristate "MediaTek MT76x0E (PCIe) support" @@ -18,4 +22,8 @@ config MT76x0E depends on MAC80211 depends on PCI help - This adds support for MT7610/MT7630-based wireless PCIe devices. + This adds support for MT7610/MT7630-based wireless PCIe devices, + which comply with IEEE 802.11ac standards and support 1x1 + 433Mbps PHY rate. + + To compile this driver as a module, choose M here. diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/eeprom.c b/drivers/net/wireless/mediatek/mt76/mt76x0/eeprom.c index 40c0d536e20d..9d4426f6905f 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x0/eeprom.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x0/eeprom.c @@ -59,6 +59,11 @@ static void mt76x0_set_chip_cap(struct mt76x02_dev *dev) dev_dbg(dev->mt76.dev, "mask out 2GHz support\n"); } + if (is_mt7630(dev)) { + dev->mt76.cap.has_5ghz = false; + dev_dbg(dev->mt76.dev, "mask out 5GHz support\n"); + } + if (!mt76x02_field_valid(nic_conf1 & 0xff)) nic_conf1 &= 0xff00; diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/main.c b/drivers/net/wireless/mediatek/mt76/mt76x0/main.c index d7bf7bc15e52..efb7ca93863d 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x0/main.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x0/main.c @@ -8,18 +8,16 @@ #include <linux/etherdevice.h> #include "mt76x0.h" -static int +static void mt76x0_set_channel(struct mt76x02_dev *dev, struct cfg80211_chan_def *chandef) { - int ret; - cancel_delayed_work_sync(&dev->cal_work); - dev->beacon_ops->pre_tbtt_enable(dev, false); + mt76x02_pre_tbtt_enable(dev, false); if (mt76_is_mmio(dev)) tasklet_disable(&dev->dfs_pd.dfs_tasklet); mt76_set_channel(&dev->mt76); - ret = mt76x0_phy_set_channel(dev, chandef); + mt76x0_phy_set_channel(dev, chandef); /* channel cycle counters read-and-clear */ mt76_rr(dev, MT_CH_IDLE); @@ -31,23 +29,20 @@ mt76x0_set_channel(struct mt76x02_dev *dev, struct cfg80211_chan_def *chandef) mt76x02_dfs_init_params(dev); tasklet_enable(&dev->dfs_pd.dfs_tasklet); } - dev->beacon_ops->pre_tbtt_enable(dev, true); + mt76x02_pre_tbtt_enable(dev, true); mt76_txq_schedule_all(&dev->mt76); - - return ret; } int mt76x0_config(struct ieee80211_hw *hw, u32 changed) { struct mt76x02_dev *dev = hw->priv; - int ret = 0; mutex_lock(&dev->mt76.mutex); if (changed & IEEE80211_CONF_CHANGE_CHANNEL) { ieee80211_stop_queues(hw); - ret = mt76x0_set_channel(dev, &hw->conf.chandef); + mt76x0_set_channel(dev, &hw->conf.chandef); ieee80211_wake_queues(hw); } @@ -69,6 +64,6 @@ int mt76x0_config(struct ieee80211_hw *hw, u32 changed) mutex_unlock(&dev->mt76.mutex); - return ret; + return 0; } EXPORT_SYMBOL_GPL(mt76x0_config); diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/mt76x0.h b/drivers/net/wireless/mediatek/mt76/mt76x0/mt76x0.h index 97e47cd2d744..26517e062bdb 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x0/mt76x0.h +++ b/drivers/net/wireless/mediatek/mt76/mt76x0/mt76x0.h @@ -54,7 +54,7 @@ int mt76x0_config(struct ieee80211_hw *hw, u32 changed); /* PHY */ void mt76x0_phy_init(struct mt76x02_dev *dev); int mt76x0_phy_wait_bbp_ready(struct mt76x02_dev *dev); -int mt76x0_phy_set_channel(struct mt76x02_dev *dev, +void mt76x0_phy_set_channel(struct mt76x02_dev *dev, struct cfg80211_chan_def *chandef); void mt76x0_phy_set_txpower(struct mt76x02_dev *dev); void mt76x0_phy_calibrate(struct mt76x02_dev *dev, bool power_on); diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/pci.c b/drivers/net/wireless/mediatek/mt76/mt76x0/pci.c index 4585e1b756c2..7705e55aa3d1 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x0/pci.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x0/pci.c @@ -1,17 +1,6 @@ +// SPDX-License-Identifier: ISC /* * Copyright (C) 2016 Felix Fietkau <nbd@nbd.name> - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR - * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN - * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF - * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include <linux/kernel.h> @@ -62,6 +51,19 @@ static void mt76x0e_stop(struct ieee80211_hw *hw) mt76x0e_stop_hw(dev); } +static int +mt76x0e_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, + struct ieee80211_vif *vif, struct ieee80211_sta *sta, + struct ieee80211_key_conf *key) +{ + struct mt76x02_dev *dev = hw->priv; + + if (is_mt7630(dev)) + return -EOPNOTSUPP; + + return mt76x02_set_key(hw, cmd, vif, sta, key); +} + static void mt76x0e_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif, u32 queues, bool drop) @@ -78,9 +80,9 @@ static const struct ieee80211_ops mt76x0e_ops = { .configure_filter = mt76x02_configure_filter, .bss_info_changed = mt76x02_bss_info_changed, .sta_state = mt76_sta_state, - .set_key = mt76x02_set_key, + .set_key = mt76x0e_set_key, .conf_tx = mt76x02_conf_tx, - .sw_scan_start = mt76x02_sw_scan, + .sw_scan_start = mt76_sw_scan, .sw_scan_complete = mt76x02_sw_scan_complete, .ampdu_action = mt76x02_ampdu_action, .sta_rate_tbl_update = mt76x02_sta_rate_tbl_update, diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/pci_mcu.c b/drivers/net/wireless/mediatek/mt76/mt76x0/pci_mcu.c index 490c1869f2c4..038187b390ce 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x0/pci_mcu.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x0/pci_mcu.c @@ -1,17 +1,6 @@ +// SPDX-License-Identifier: ISC /* * Copyright (C) 2018 Lorenzo Bianconi <lorenzo.bianconi83@gmail.com> - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR - * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN - * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF - * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include <linux/kernel.h> #include <linux/firmware.h> diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/phy.c b/drivers/net/wireless/mediatek/mt76/mt76x0/phy.c index 1ecfc334ae79..711a352dfd5c 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x0/phy.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x0/phy.c @@ -109,7 +109,7 @@ mt76x0_rf_wr(struct mt76x02_dev *dev, u32 offset, u8 val) }; WARN_ON_ONCE(!test_bit(MT76_STATE_MCU_RUNNING, - &dev->mt76.state)); + &dev->mt76.state)); return mt76_wr_rp(dev, MT_MCU_MEMMAP_RF, &pair, 1); } else { return mt76x0_rf_csr_wr(dev, offset, val); @@ -127,7 +127,7 @@ static int mt76x0_rf_rr(struct mt76x02_dev *dev, u32 offset) }; WARN_ON_ONCE(!test_bit(MT76_STATE_MCU_RUNNING, - &dev->mt76.state)); + &dev->mt76.state)); ret = mt76_rd_rp(dev, MT_MCU_MEMMAP_RF, &pair, 1); val = pair.value; } else { @@ -230,7 +230,8 @@ mt76x0_phy_set_band(struct mt76x02_dev *dev, enum nl80211_band band) } static void -mt76x0_phy_set_chan_rf_params(struct mt76x02_dev *dev, u8 channel, u16 rf_bw_band) +mt76x0_phy_set_chan_rf_params(struct mt76x02_dev *dev, u8 channel, + u16 rf_bw_band) { const struct mt76x0_freq_item *freq_item; u16 rf_band = rf_bw_band & 0xff00; @@ -252,9 +253,9 @@ mt76x0_phy_set_chan_rf_params(struct mt76x02_dev *dev, u8 channel, u16 rf_bw_ban rf_band = mt76x0_frequency_plan[i].band; if (b_sdm) - freq_item = &(mt76x0_sdm_frequency_plan[i]); + freq_item = &mt76x0_sdm_frequency_plan[i]; else - freq_item = &(mt76x0_frequency_plan[i]); + freq_item = &mt76x0_frequency_plan[i]; mt76x0_rf_wr(dev, MT_RF(0, 37), freq_item->pllR37); mt76x0_rf_wr(dev, MT_RF(0, 36), freq_item->pllR36); @@ -359,11 +360,12 @@ mt76x0_phy_set_chan_rf_params(struct mt76x02_dev *dev, u8 channel, u16 rf_bw_ban band = (rf_band & RF_G_BAND) ? NL80211_BAND_2GHZ : NL80211_BAND_5GHZ; if (mt76x02_ext_pa_enabled(dev, band)) { - /* - MT_RF_MISC (offset: 0x0518) - [2]1'b1: enable external A band PA, 1'b0: disable external A band PA - [3]1'b1: enable external G band PA, 1'b0: disable external G band PA - */ + /* MT_RF_MISC (offset: 0x0518) + * [2]1'b1: enable external A band PA + * 1'b0: disable external A band PA + * [3]1'b1: enable external G band PA + * 1'b0: disable external G band PA + */ if (rf_band & RF_A_BAND) mt76_set(dev, MT_RF_MISC, BIT(2)); else @@ -385,7 +387,9 @@ mt76x0_phy_set_chan_rf_params(struct mt76x02_dev *dev, u8 channel, u16 rf_bw_ban mt76_wr(dev, MT_TX_ALC_CFG_1, mac_reg); } else { mt76_wr(dev, MT_TX0_RF_GAIN_ATTEN, 0x686A7800); - /* Set Atten mode = 0 For Ext A band, Disable Tx Inc dcoc Cal. */ + /* Set Atten mode = 0 + * For Ext A band, Disable Tx Inc dcoc Cal. + */ mac_reg = mt76_rr(dev, MT_TX_ALC_CFG_1); mac_reg &= 0x890400FF; mt76_wr(dev, MT_TX_ALC_CFG_1, mac_reg); @@ -490,7 +494,7 @@ mt76x0_phy_bbp_set_bw(struct mt76x02_dev *dev, enum nl80211_chan_width width) case NL80211_CHAN_WIDTH_160: case NL80211_CHAN_WIDTH_5: /* TODO error */ - return ; + return; } mt76x02_mcu_function_select(dev, BW_SETTING, bw); @@ -905,8 +909,8 @@ void mt76x0_phy_calibrate(struct mt76x02_dev *dev, bool power_on) } EXPORT_SYMBOL_GPL(mt76x0_phy_calibrate); -int mt76x0_phy_set_channel(struct mt76x02_dev *dev, - struct cfg80211_chan_def *chandef) +void mt76x0_phy_set_channel(struct mt76x02_dev *dev, + struct cfg80211_chan_def *chandef) { u32 ext_cca_chan[4] = { [0] = FIELD_PREP(MT_EXT_CCA_CFG_CCA0, 0) | @@ -940,7 +944,6 @@ int mt76x0_phy_set_channel(struct mt76x02_dev *dev, freq1 = chandef->center_freq1; channel = chandef->chan->hw_value; rf_bw_band = (channel <= 14) ? RF_G_BAND : RF_A_BAND; - dev->mt76.chandef = *chandef; switch (chandef->width) { case NL80211_CHAN_WIDTH_40: @@ -1001,7 +1004,7 @@ int mt76x0_phy_set_channel(struct mt76x02_dev *dev, /* enable vco */ mt76x0_rf_set(dev, MT_RF(0, 4), BIT(7)); if (scan) - return 0; + return; mt76x02_init_agc_gain(dev); mt76x0_phy_calibrate(dev, false); @@ -1009,8 +1012,6 @@ int mt76x0_phy_set_channel(struct mt76x02_dev *dev, ieee80211_queue_delayed_work(dev->mt76.hw, &dev->cal_work, MT_CALIBRATE_INTERVAL); - - return 0; } static void mt76x0_phy_temp_sensor(struct mt76x02_dev *dev) @@ -1074,7 +1075,7 @@ mt76x0_phy_update_channel_gain(struct mt76x02_dev *dev) dev->cal.avg_rssi_all = -75; low_gain = (dev->cal.avg_rssi_all > mt76x02_get_rssi_gain_thresh(dev)) + - (dev->cal.avg_rssi_all > mt76x02_get_low_rssi_gain_thresh(dev)); + (dev->cal.avg_rssi_all > mt76x02_get_low_rssi_gain_thresh(dev)); gain_change = dev->cal.low_gain < 0 || (dev->cal.low_gain & 2) ^ (low_gain & 2); @@ -1169,7 +1170,8 @@ static void mt76x0_phy_rf_init(struct mt76x02_dev *dev) if (item->bw_band == RF_BW_20) mt76x0_rf_wr(dev, item->rf_bank_reg, item->value); - else if (((RF_G_BAND | RF_BW_20) & item->bw_band) == (RF_G_BAND | RF_BW_20)) + else if (((RF_G_BAND | RF_BW_20) & item->bw_band) == + (RF_G_BAND | RF_BW_20)) mt76x0_rf_wr(dev, item->rf_bank_reg, item->value); } @@ -1181,10 +1183,9 @@ static void mt76x0_phy_rf_init(struct mt76x02_dev *dev) } } - /* - Frequency calibration - E1: B0.R22<6:0>: xo_cxo<6:0> - E2: B0.R21<0>: xo_cxo<0>, B0.R22<7:0>: xo_cxo<8:1> + /* Frequency calibration + * E1: B0.R22<6:0>: xo_cxo<6:0> + * E2: B0.R21<0>: xo_cxo<0>, B0.R22<7:0>: xo_cxo<8:1> */ mt76x0_rf_wr(dev, MT_RF(0, 22), min_t(u8, dev->cal.rx.freq_offset, 0xbf)); diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/phy.h b/drivers/net/wireless/mediatek/mt76/mt76x0/phy.h index b4b2ca747699..441d6559d4fd 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x0/phy.h +++ b/drivers/net/wireless/mediatek/mt76/mt76x0/phy.h @@ -6,8 +6,8 @@ #ifndef _MT76X0_PHY_H_ #define _MT76X0_PHY_H_ -#define RF_G_BAND 0x0100 -#define RF_A_BAND 0x0200 +#define RF_G_BAND 0x0100 +#define RF_A_BAND 0x0200 #define RF_A_BAND_LB 0x0400 #define RF_A_BAND_MB 0x0800 #define RF_A_BAND_HB 0x1000 @@ -18,9 +18,9 @@ #define RF_BW_10 4 #define RF_BW_80 8 -#define MT_RF(bank, reg) ((bank) << 16 | (reg)) -#define MT_RF_BANK(offset) (offset >> 16) -#define MT_RF_REG(offset) (offset & 0xff) +#define MT_RF(bank, reg) ((bank) << 16 | (reg)) +#define MT_RF_BANK(offset) ((offset) >> 16) +#define MT_RF_REG(offset) ((offset) & 0xff) #define MT_RF_VCO_BP_CLOSE_LOOP BIT(3) #define MT_RF_VCO_BP_CLOSE_LOOP_MASK GENMASK(3, 0) diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/usb.c b/drivers/net/wireless/mediatek/mt76/mt76x0/usb.c index 645f4d15fb61..00a445d27599 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x0/usb.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x0/usb.c @@ -32,10 +32,13 @@ static struct usb_device_id mt76x0_device_table[] = { { USB_DEVICE(0x20f4, 0x806b) }, /* TRENDnet TEW-806UBH */ { USB_DEVICE(0x7392, 0xc711) }, /* Devolo Wifi ac Stick */ { USB_DEVICE(0x0df6, 0x0079) }, /* Sitecom Europe B.V. ac Stick */ - { USB_DEVICE(0x2357, 0x0105), - .driver_info = 1, }, /* TP-LINK Archer T1U */ - { USB_DEVICE_AND_INTERFACE_INFO(0x0E8D, 0x7630, 0xff, 0x2, 0xff)}, /* MT7630U */ - { USB_DEVICE_AND_INTERFACE_INFO(0x0E8D, 0x7650, 0xff, 0x2, 0xff)}, /* MT7650U */ + { USB_DEVICE(0x2357, 0x0123) }, /* TP-LINK T2UHP */ + /* TP-LINK Archer T1U */ + { USB_DEVICE(0x2357, 0x0105), .driver_info = 1, }, + /* MT7630U */ + { USB_DEVICE_AND_INTERFACE_INFO(0x0E8D, 0x7630, 0xff, 0x2, 0xff)}, + /* MT7650U */ + { USB_DEVICE_AND_INTERFACE_INFO(0x0E8D, 0x7650, 0xff, 0x2, 0xff)}, { 0, } }; @@ -125,13 +128,14 @@ static const struct ieee80211_ops mt76x0u_ops = { .sta_state = mt76_sta_state, .set_key = mt76x02_set_key, .conf_tx = mt76x02_conf_tx, - .sw_scan_start = mt76x02_sw_scan, + .sw_scan_start = mt76_sw_scan, .sw_scan_complete = mt76x02_sw_scan_complete, .ampdu_action = mt76x02_ampdu_action, .sta_rate_tbl_update = mt76x02_sta_rate_tbl_update, .set_rts_threshold = mt76x02_set_rts_threshold, .wake_tx_queue = mt76_wake_tx_queue, .get_txpower = mt76_get_txpower, + .get_survey = mt76_get_survey, .set_tim = mt76_set_tim, .release_buffered_frames = mt76_release_buffered_frames, }; @@ -161,6 +165,13 @@ static int mt76x0u_init_hardware(struct mt76x02_dev *dev, bool reset) FIELD_PREP(MT_TXOP_TRUN_EN, 0x3f) | FIELD_PREP(MT_TXOP_EXT_CCA_DLY, 0x58)); + mt76_wr(dev, MT_CH_TIME_CFG, + MT_CH_TIME_CFG_TIMER_EN | + MT_CH_TIME_CFG_TX_AS_BUSY | + MT_CH_TIME_CFG_RX_AS_BUSY | + MT_CH_TIME_CFG_NAV_AS_BUSY | + MT_CH_TIME_CFG_EIFS_AS_BUSY); + return 0; } @@ -200,6 +211,7 @@ static int mt76x0u_probe(struct usb_interface *usb_intf, const struct usb_device_id *id) { static const struct mt76_driver_ops drv_ops = { + .update_survey = mt76x02_update_channel, .tx_prepare_skb = mt76x02u_tx_prepare_skb, .tx_complete_skb = mt76x02u_tx_complete_skb, .tx_status_data = mt76x02_tx_status_data, @@ -236,7 +248,7 @@ static int mt76x0u_probe(struct usb_interface *usb_intf, if (ret) goto err; - /* Disable the HW, otherwise MCU fail to initalize on hot reboot */ + /* Disable the HW, otherwise MCU fail to initialize on hot reboot */ mt76x0_chip_onoff(dev, false, false); if (!mt76x02_wait_for_mac(mdev)) { @@ -274,9 +286,9 @@ err: static void mt76x0_disconnect(struct usb_interface *usb_intf) { struct mt76x02_dev *dev = usb_get_intfdata(usb_intf); - bool initalized = test_bit(MT76_STATE_INITIALIZED, &dev->mt76.state); + bool initialized = test_bit(MT76_STATE_INITIALIZED, &dev->mt76.state); - if (!initalized) + if (!initialized) return; ieee80211_unregister_hw(dev->mt76.hw); diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/usb_mcu.c b/drivers/net/wireless/mediatek/mt76/mt76x0/usb_mcu.c index 4a282761ca58..888a930a5e08 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x0/usb_mcu.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x0/usb_mcu.c @@ -1,17 +1,6 @@ +// SPDX-License-Identifier: ISC /* * Copyright (C) 2018 Lorenzo Bianconi <lorenzo.bianconi83@gmail.com> - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR - * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN - * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF - * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include <linux/kernel.h> #include <linux/firmware.h> |