From: Lorenzo Bianconi <lorenzo@xxxxxxxxxx>
Introduce mt7921_wpdma_reset routine to reset wpdma during chip reset
or driver_own request.
Signed-off-by: Sean Wang <sean.wang@xxxxxxxxxxxx>
Signed-off-by: Lorenzo Bianconi <lorenzo@xxxxxxxxxx>
---
.../net/wireless/mediatek/mt76/mt7921/dma.c | 44 ++++++++++++++++++-
.../net/wireless/mediatek/mt76/mt7921/mac.c | 29 ++----------
.../wireless/mediatek/mt76/mt7921/mt7921.h | 2 +-
3 files changed, 47 insertions(+), 28 deletions(-)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/dma.c b/drivers/net/wireless/mediatek/mt76/mt7921/dma.c
index 0c577a5bac13..af4b6cf38929 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/dma.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/dma.c
@@ -229,7 +229,7 @@ static int mt7921_dmashdl_disabled(struct mt7921_dev *dev)
return 0;
}
-int mt7921_dma_reset(struct mt7921_dev *dev, bool force)
+static int mt7921_dma_reset(struct mt7921_dev *dev, bool force)
{
int i;
@@ -300,6 +300,48 @@ int mt7921_dma_reset(struct mt7921_dev *dev, bool force)
return 0;
}
+int mt7921_wfsys_reset(struct mt7921_dev *dev)
+{
+ mt76_set(dev, 0x70002600, BIT(0));
+ msleep(200);
+ mt76_clear(dev, 0x70002600, BIT(0));
+
+ if (!__mt76_poll_msec(&dev->mt76, MT_WFSYS_SW_RST_B,
+ WFSYS_SW_INIT_DONE, WFSYS_SW_INIT_DONE, 500))
+ return -ETIMEDOUT;
+
+ return 0;
+}
+
+int mt7921_wpdma_reset(struct mt7921_dev *dev, bool force)
+{
+ int i, err;
+
+ /* clean up hw queues */
+ for (i = 0; i < ARRAY_SIZE(dev->mt76.phy.q_tx); i++)
+ mt76_queue_tx_cleanup(dev, dev->mphy.q_tx[i], true);
+
+ for (i = 0; i < ARRAY_SIZE(dev->mt76.q_mcu); i++)
+ mt76_queue_tx_cleanup(dev, dev->mt76.q_mcu[i], true);
+
+ mt76_for_each_q_rx(&dev->mt76, i)
+ mt76_queue_rx_cleanup(dev, &dev->mt76.q_rx[i]);
+
+ if (force) {
+ err = mt7921_wfsys_reset(dev);
+ if (err)
+ return err;
+ }
+ err = mt7921_dma_reset(dev, force);
+ if (err)
+ return err;
+
+ mt76_for_each_q_rx(&dev->mt76, i)
+ mt76_queue_rx_reset(dev, i);
+
+ return 0;
+}
+
int mt7921_dma_init(struct mt7921_dev *dev)
{
/* Increase buffer size to receive large VHT/HE MPDUs */
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mac.c b/drivers/net/wireless/mediatek/mt76/mt7921/mac.c
index 9aadb598019d..98daf03884a3 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/mac.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/mac.c
@@ -1204,16 +1204,6 @@ void mt7921_update_channel(struct mt76_dev *mdev)
mt76_connac_power_save_sched(&dev->mphy, &dev->pm);
}
-int mt7921_wfsys_reset(struct mt7921_dev *dev)
-{
- mt76_set(dev, 0x70002600, BIT(0));
- msleep(200);
- mt76_clear(dev, 0x70002600, BIT(0));
-
- return __mt76_poll_msec(&dev->mt76, MT_WFSYS_SW_RST_B,
- WFSYS_SW_INIT_DONE, WFSYS_SW_INIT_DONE, 500);
-}
-
void mt7921_tx_token_put(struct mt7921_dev *dev)
{
struct mt76_txwi_cache *txwi;
@@ -1273,21 +1263,11 @@ mt7921_mac_reset(struct mt7921_dev *dev)
mt7921_tx_token_put(dev);
idr_init(&dev->token);
- /* clean up hw queues */
- for (i = 0; i < ARRAY_SIZE(dev->mt76.phy.q_tx); i++)
- mt76_queue_tx_cleanup(dev, dev->mphy.q_tx[i], true);
-
- for (i = 0; i < ARRAY_SIZE(dev->mt76.q_mcu); i++)
- mt76_queue_tx_cleanup(dev, dev->mt76.q_mcu[i], true);
-
- mt76_for_each_q_rx(&dev->mt76, i)
- mt76_queue_rx_cleanup(dev, &dev->mt76.q_rx[i]);
-
- mt7921_wfsys_reset(dev);
- mt7921_dma_reset(dev, true);
+ err = mt7921_wpdma_reset(dev, true);
+ if (err)
+ return err;
mt76_for_each_q_rx(&dev->mt76, i) {
- mt76_queue_rx_reset(dev, i);
napi_enable(&dev->mt76.napi[i]);
napi_schedule(&dev->mt76.napi[i]);
}
@@ -1301,9 +1281,6 @@ mt7921_mac_reset(struct mt7921_dev *dev)
mt76_wr(dev, MT_WFDMA0_HOST_INT_ENA, 0);
mt76_wr(dev, MT_PCIE_MAC_INT_ENABLE, 0xff);
- mt7921_irq_enable(dev,
- MT_INT_RX_DONE_ALL | MT_INT_TX_DONE_ALL |
- MT_INT_MCU_CMD);
err = mt7921_run_firmware(dev);
if (err)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h b/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h
index 58cfa2bbeba5..67cb0a647066 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h
@@ -253,7 +253,7 @@ int mt7921_eeprom_get_target_power(struct mt7921_dev *dev,
u8 chain_idx);
void mt7921_eeprom_init_sku(struct mt7921_dev *dev);
int mt7921_dma_init(struct mt7921_dev *dev);
-int mt7921_dma_reset(struct mt7921_dev *dev, bool force);
+int mt7921_wpdma_reset(struct mt7921_dev *dev, bool force);
void mt7921_dma_cleanup(struct mt7921_dev *dev);
int mt7921_run_firmware(struct mt7921_dev *dev);
int mt7921_mcu_init(struct mt7921_dev *dev);
--
2.25.1
