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mt76: mt7915: introduce __mt7915_get_tsf routine 

Introduce an unlocked verion of mt7915_get_tsf routine.
This is a preliminary patch to add TWT support to mt7915.

Tested-by: Peter Chiu <chui-hao.chiu@mediatek.com>
Tested-by: Evelyn Tsai <evelyn.tsai@mediatek.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Lorenzo Bianconi 2021-09-23 16:29:30 +02:00 committed by Felix Fietkau
parent 5b8f1840c3
commit f05c8c9827
2 changed files with 16 additions and 6 deletions
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20
drivers/net/wireless/mediatek/mt76/mt7915/main.c
View File

@ -819,10 +819,8 @@ mt7915_get_stats(struct ieee80211_hw *hw,
return 0;
}
static u64
mt7915_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
u64 __mt7915_get_tsf(struct ieee80211_hw *hw, struct mt7915_vif *mvif)
{
struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
struct mt7915_dev *dev = mt7915_hw_dev(hw);
struct mt7915_phy *phy = mt7915_hw_phy(hw);
bool band = phy != &dev->phy;
@ -832,7 +830,7 @@ mt7915_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
} tsf;
u16 n;
mutex_lock(&dev->mt76.mutex);
lockdep_assert_held(&dev->mt76.mutex);
n = mvif->omac_idx > HW_BSSID_MAX ? HW_BSSID_0 : mvif->omac_idx;
/* TSF software read */
@ -841,9 +839,21 @@ mt7915_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
tsf.t32[0] = mt76_rr(dev, MT_LPON_UTTR0(band));
tsf.t32[1] = mt76_rr(dev, MT_LPON_UTTR1(band));
return tsf.t64;
}
static u64
mt7915_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
{
struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
struct mt7915_dev *dev = mt7915_hw_dev(hw);
u64 ret;
mutex_lock(&dev->mt76.mutex);
ret = __mt7915_get_tsf(hw, mvif);
mutex_unlock(&dev->mt76.mutex);
return tsf.t64;
return ret;
}
static void

2
drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h
View File

@ -329,7 +329,7 @@ extern const struct ieee80211_ops mt7915_ops;
extern const struct mt76_testmode_ops mt7915_testmode_ops;
u32 mt7915_reg_map(struct mt7915_dev *dev, u32 addr);
u64 __mt7915_get_tsf(struct ieee80211_hw *hw, struct mt7915_vif *mvif);
int mt7915_register_device(struct mt7915_dev *dev);
void mt7915_unregister_device(struct mt7915_dev *dev);
int mt7915_eeprom_init(struct mt7915_dev *dev);