diff options
| author | Felix Fietkau <nbd@nbd.name> | 2021-04-15 20:57:42 +0200 |
|---|---|---|
| committer | Felix Fietkau <nbd@nbd.name> | 2021-04-21 11:42:22 +0200 |
| commit | 453873637b85b413456fb6257df336940b1d598a (patch) | |
| tree | 85f5016aa4d13ae6d3d35cba7d9c0376fb6104cf /drivers/net/wireless/mediatek/mt76/mt7615/mmio.c | |
| parent | ea29acc97c555bc4c295cd0ad78083a33b0272a2 (diff) | |
mt76: mt7615: fix hardware error recovery for mt7663
MT7663 uses different bits for communicating reset commands/status between MCU
and host. Also add an extra initial reset command.
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt7615/mmio.c')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7615/mmio.c | 23 |
1 files changed, 16 insertions, 7 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mmio.c b/drivers/net/wireless/mediatek/mt76/mt7615/mmio.c index eaa22752e7cd..be93e7ad1279 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/mmio.c +++ b/drivers/net/wireless/mediatek/mt76/mt7615/mmio.c @@ -105,6 +105,7 @@ static void mt7615_irq_tasklet(struct tasklet_struct *t) { struct mt7615_dev *dev = from_tasklet(dev, t, irq_tasklet); u32 intr, mask = 0, tx_mcu_mask = mt7615_tx_mcu_int_mask(dev); + u32 mcu_int; mt76_wr(dev, MT_INT_MASK_CSR, 0); @@ -128,15 +129,23 @@ static void mt7615_irq_tasklet(struct tasklet_struct *t) if (intr & MT_INT_RX_DONE(1)) napi_schedule(&dev->mt76.napi[1]); - if (intr & MT_INT_MCU_CMD) { - u32 val = mt76_rr(dev, MT_MCU_CMD); + if (!(intr & (MT_INT_MCU_CMD | MT7663_INT_MCU_CMD))) + return; - if (val & MT_MCU_CMD_ERROR_MASK) { - dev->reset_state = val; - ieee80211_queue_work(mt76_hw(dev), &dev->reset_work); - wake_up(&dev->reset_wait); - } + if (is_mt7663(&dev->mt76)) { + mcu_int = mt76_rr(dev, MT_MCU2HOST_INT_STATUS); + mcu_int &= MT7663_MCU_CMD_ERROR_MASK; + } else { + mcu_int = mt76_rr(dev, MT_MCU_CMD); + mcu_int &= MT_MCU_CMD_ERROR_MASK; } + + if (!mcu_int) + return; + + dev->reset_state = mcu_int; + ieee80211_queue_work(mt76_hw(dev), &dev->reset_work); + wake_up(&dev->reset_wait); } static u32 __mt7615_reg_addr(struct mt7615_dev *dev, u32 addr) |