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authorFelix Fietkau <nbd@nbd.name>2018-05-20 07:43:47 +0200
committerKalle Valo <kvalo@codeaurora.org>2018-05-23 09:58:13 +0200
commita85b590cf55f0789efcdd347b69c9e8ad6c3dcc7 (patch)
tree27014c072b21202b71db085b35a59ad7c1f5a321 /drivers/net/wireless/mediatek
parentmt76: prevent tx scheduling during channel change (diff)
downloadlinux-a85b590cf55f0789efcdd347b69c9e8ad6c3dcc7.tar.xz
linux-a85b590cf55f0789efcdd347b69c9e8ad6c3dcc7.zip
mt76: move ieee80211_hw allocation to common core
Allows it to be shared between different drivers and locks to be initialized earlier Signed-off-by: Felix Fietkau <nbd@nbd.name> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Diffstat (limited to 'drivers/net/wireless/mediatek')
-rw-r--r--drivers/net/wireless/mediatek/mt76/mac80211.c22
-rw-r--r--drivers/net/wireless/mediatek/mt76/mt76.h2
-rw-r--r--drivers/net/wireless/mediatek/mt76/mt76x2_init.c14
3 files changed, 28 insertions, 10 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mac80211.c b/drivers/net/wireless/mediatek/mt76/mac80211.c
index d862e5efd094..d1044e5b25db 100644
--- a/drivers/net/wireless/mediatek/mt76/mac80211.c
+++ b/drivers/net/wireless/mediatek/mt76/mac80211.c
@@ -268,6 +268,26 @@ mt76_check_sband(struct mt76_dev *dev, int band)
dev->hw->wiphy->bands[band] = NULL;
}
+struct mt76_dev *
+mt76_alloc_device(unsigned int size, const struct ieee80211_ops *ops)
+{
+ struct ieee80211_hw *hw;
+ struct mt76_dev *dev;
+
+ hw = ieee80211_alloc_hw(size, ops);
+ if (!hw)
+ return NULL;
+
+ dev = hw->priv;
+ dev->hw = hw;
+ spin_lock_init(&dev->rx_lock);
+ spin_lock_init(&dev->lock);
+ spin_lock_init(&dev->cc_lock);
+
+ return dev;
+}
+EXPORT_SYMBOL_GPL(mt76_alloc_device);
+
int mt76_register_device(struct mt76_dev *dev, bool vht,
struct ieee80211_rate *rates, int n_rates)
{
@@ -277,8 +297,6 @@ int mt76_register_device(struct mt76_dev *dev, bool vht,
dev_set_drvdata(dev->dev, dev);
- spin_lock_init(&dev->lock);
- spin_lock_init(&dev->cc_lock);
INIT_LIST_HEAD(&dev->txwi_cache);
SET_IEEE80211_DEV(hw, dev->dev);
diff --git a/drivers/net/wireless/mediatek/mt76/mt76.h b/drivers/net/wireless/mediatek/mt76/mt76.h
index 2d098fac6147..bb158f867d7c 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76.h
+++ b/drivers/net/wireless/mediatek/mt76/mt76.h
@@ -377,6 +377,8 @@ mt76_channel_state(struct mt76_dev *dev, struct ieee80211_channel *c)
return &msband->chan[idx];
}
+struct mt76_dev *mt76_alloc_device(unsigned int size,
+ const struct ieee80211_ops *ops);
int mt76_register_device(struct mt76_dev *dev, bool vht,
struct ieee80211_rate *rates, int n_rates);
void mt76_unregister_device(struct mt76_dev *dev);
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2_init.c b/drivers/net/wireless/mediatek/mt76/mt76x2_init.c
index b6f27b949566..ec1715639a04 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x2_init.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76x2_init.c
@@ -638,20 +638,18 @@ struct mt76x2_dev *mt76x2_alloc_device(struct device *pdev)
.rx_poll_complete = mt76x2_rx_poll_complete,
.sta_ps = mt76x2_sta_ps,
};
- struct ieee80211_hw *hw;
struct mt76x2_dev *dev;
+ struct mt76_dev *mdev;
- hw = ieee80211_alloc_hw(sizeof(*dev), &mt76x2_ops);
- if (!hw)
+ mdev = mt76_alloc_device(sizeof(*dev), &mt76x2_ops);
+ if (!mdev)
return NULL;
- dev = hw->priv;
- dev->mt76.dev = pdev;
- dev->mt76.hw = hw;
- dev->mt76.drv = &drv_ops;
+ dev = container_of(mdev, struct mt76x2_dev, mt76);
+ mdev->dev = pdev;
+ mdev->drv = &drv_ops;
mutex_init(&dev->mutex);
spin_lock_init(&dev->irq_lock);
- spin_lock_init(&dev->mt76.rx_lock);
return dev;
}