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mt7603: add back PSE client reset code

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Should help with MT7628 reliability

Signed-off-by: Felix Fietkau <[email protected]>
This commit is contained in:
Felix Fietkau
2018-11-21 13:52:04 +01:00
parent b3f82a33c0
commit a301decead
1 changed files with 34 additions and 0 deletions
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mt7603/mac.c
+34
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@@ -1240,6 +1240,38 @@ void mt7603_mac_stop(struct mt7603_dev *dev)
mt76_clear(dev, MT_WF_ARB_RQCR, MT_WF_ARB_RQCR_RX_START);
}
static void mt7603_pse_client_reset(struct mt7603_dev *dev)
{
u32 addr;
addr = mt7603_reg_map(dev, MT_CLIENT_BASE_PHYS_ADDR +
MT_CLIENT_RESET_TX);
/* Clear previous reset state */
mt76_clear(dev, addr,
MT_CLIENT_RESET_TX_R_E_1 |
MT_CLIENT_RESET_TX_R_E_2 |
MT_CLIENT_RESET_TX_R_E_1_S |
MT_CLIENT_RESET_TX_R_E_2_S);
/* Start PSE client TX abort */
mt76_set(dev, addr, MT_CLIENT_RESET_TX_R_E_1);
mt76_poll_msec(dev, addr, MT_CLIENT_RESET_TX_R_E_1_S,
MT_CLIENT_RESET_TX_R_E_1_S, 500);
mt76_set(dev, addr, MT_CLIENT_RESET_TX_R_E_2);
mt76_set(dev, MT_WPDMA_GLO_CFG, MT_WPDMA_GLO_CFG_SW_RESET);
/* Wait for PSE client to clear TX FIFO */
mt76_poll_msec(dev, addr, MT_CLIENT_RESET_TX_R_E_2_S,
MT_CLIENT_RESET_TX_R_E_2_S, 500);
/* Clear PSE client TX abort state */
mt76_clear(dev, addr,
MT_CLIENT_RESET_TX_R_E_1 |
MT_CLIENT_RESET_TX_R_E_2);
}
static void mt7603_mac_watchdog_reset(struct mt7603_dev *dev)
{
int beacon_int = dev->beacon_int;
@@ -1275,6 +1307,8 @@ static void mt7603_mac_watchdog_reset(struct mt7603_dev *dev)
mt7603_beacon_set_timer(dev, -1, 0);
mt76_set(dev, MT_WPDMA_GLO_CFG, MT_WPDMA_GLO_CFG_FORCE_TX_EOF);
mt7603_pse_client_reset(dev);
for (i = 0; i < ARRAY_SIZE(dev->mt76.q_tx); i++)
mt76_queue_tx_cleanup(dev, i, true);