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Subject[PATCH 5.12 06/11] mt76: mt7921: introduce __mt7921_start utility routine
Date
From: Lorenzo Bianconi <lorenzo@kernel.org>

commit 1f7396acfef4691b8cf4a3e631fd3f59d779c0f2 upstream.

This is a preliminary patch to introduce mt7921 chip reset support.

Co-developed-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Cc: Deren Wu <Deren.Wu@mediatek.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
drivers/net/wireless/mediatek/mt76/mt7921/main.c | 35 ++++++++++++---------
drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h | 1
2 files changed, 22 insertions(+), 14 deletions(-)

--- a/drivers/net/wireless/mediatek/mt76/mt7921/main.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/main.c
@@ -168,33 +168,40 @@ void mt7921_set_stream_he_caps(struct mt
}
}

-static int mt7921_start(struct ieee80211_hw *hw)
+int __mt7921_start(struct mt7921_phy *phy)
{
- struct mt7921_dev *dev = mt7921_hw_dev(hw);
- struct mt7921_phy *phy = mt7921_hw_phy(hw);
+ struct mt76_phy *mphy = phy->mt76;
int err;

- mt7921_mutex_acquire(dev);
-
- err = mt76_connac_mcu_set_mac_enable(&dev->mt76, 0, true, false);
+ err = mt76_connac_mcu_set_mac_enable(mphy->dev, 0, true, false);
if (err)
- goto out;
+ return err;

- err = mt76_connac_mcu_set_channel_domain(phy->mt76);
+ err = mt76_connac_mcu_set_channel_domain(mphy);
if (err)
- goto out;
+ return err;

err = mt7921_mcu_set_chan_info(phy, MCU_EXT_CMD_SET_RX_PATH);
if (err)
- goto out;
+ return err;

mt7921_mac_reset_counters(phy);
- set_bit(MT76_STATE_RUNNING, &phy->mt76->state);
+ set_bit(MT76_STATE_RUNNING, &mphy->state);

- ieee80211_queue_delayed_work(hw, &phy->mt76->mac_work,
+ ieee80211_queue_delayed_work(mphy->hw, &mphy->mac_work,
MT7921_WATCHDOG_TIME);
-out:
- mt7921_mutex_release(dev);
+
+ return 0;
+}
+
+static int mt7921_start(struct ieee80211_hw *hw)
+{
+ struct mt7921_phy *phy = mt7921_hw_phy(hw);
+ int err;
+
+ mt7921_mutex_acquire(phy->dev);
+ err = __mt7921_start(phy);
+ mt7921_mutex_release(phy->dev);

return err;
}
--- a/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h
@@ -209,6 +209,7 @@ extern struct pci_driver mt7921_pci_driv

u32 mt7921_reg_map(struct mt7921_dev *dev, u32 addr);

+int __mt7921_start(struct mt7921_phy *phy);
int mt7921_register_device(struct mt7921_dev *dev);
void mt7921_unregister_device(struct mt7921_dev *dev);
int mt7921_eeprom_init(struct mt7921_dev *dev);

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