[PATCH 5.11 476/601] mt76: mt7915: bring up the WA event rx queue for band1

Greg Kroah-Hartman
2021-05-12T17:55:53Z

From: Felix Fietkau <nbd@nbd.name>

[ Upstream commit 76027f40f5ee04bf15cde3a83af9b873c2affa28 ]

This is needed for DBDC cards to work correctly on both bands simultaneously

Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/net/wireless/mediatek/mt76/mt76.h | 1 +
drivers/net/wireless/mediatek/mt76/mt7915/dma.c | 8 ++++++++
drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h | 1 +
drivers/net/wireless/mediatek/mt76/mt7915/pci.c | 4 ++++
drivers/net/wireless/mediatek/mt76/mt7915/regs.h | 3 ++-
5 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/mediatek/mt76/mt76.h b/drivers/net/wireless/mediatek/mt76/mt76.h
index 3e496a188bf0..5da6b74687ed 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76.h
+++ b/drivers/net/wireless/mediatek/mt76/mt76.h
@@ -81,6 +81,7 @@ enum mt76_rxq_id {
MT_RXQ_MCU,
MT_RXQ_MCU_WA,
MT_RXQ_EXT,
+ MT_RXQ_EXT_WA,
__MT_RXQ_MAX
};

diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/dma.c b/drivers/net/wireless/mediatek/mt76/mt7915/dma.c
index 8c1f9c77b14f..d47d8f4376c6 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/dma.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/dma.c
@@ -286,6 +286,14 @@ int mt7915_dma_init(struct mt7915_dev *dev)
rx_buf_size, MT_RX_DATA_RING_BASE);
if (ret)
return ret;
+
+ /* event from WA */
+ ret = mt76_queue_alloc(dev, &dev->mt76.q_rx[MT_RXQ_EXT_WA],
+ MT7915_RXQ_MCU_WA_EXT,
+ MT7915_RX_MCU_RING_SIZE,
+ rx_buf_size, MT_RX_EVENT_RING_BASE);
+ if (ret)
+ return ret;
}

ret = mt76_init_queues(dev);
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h b/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h
index fe88ff24f241..6bfb6f1bb878 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h
@@ -61,6 +61,7 @@ enum mt7915_rxq_id {
MT7915_RXQ_BAND1,
MT7915_RXQ_MCU_WM = 0,
MT7915_RXQ_MCU_WA,
+ MT7915_RXQ_MCU_WA_EXT,
};

struct mt7915_sta_stats {
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/pci.c b/drivers/net/wireless/mediatek/mt76/mt7915/pci.c
index aeb86fbea41c..99f11588601d 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/pci.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/pci.c
@@ -26,6 +26,7 @@ mt7915_rx_poll_complete(struct mt76_dev *mdev, enum mt76_rxq_id q)
[MT_RXQ_EXT] = MT_INT_RX_DONE_DATA1,
[MT_RXQ_MCU] = MT_INT_RX_DONE_WM,
[MT_RXQ_MCU_WA] = MT_INT_RX_DONE_WA,
+ [MT_RXQ_EXT_WA] = MT_INT_RX_DONE_WA_EXT,
};

mt7915_irq_enable(dev, rx_irq_mask[q]);
@@ -67,6 +68,9 @@ static irqreturn_t mt7915_irq_handler(int irq, void *dev_instance)
if (intr & MT_INT_RX_DONE_WA)
napi_schedule(&dev->mt76.napi[MT_RXQ_MCU_WA]);

+ if (intr & MT_INT_RX_DONE_WA_EXT)
+ napi_schedule(&dev->mt76.napi[MT_RXQ_EXT_WA]);
+
if (intr & MT_INT_MCU_CMD) {
u32 val = mt76_rr(dev, MT_MCU_CMD);

diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/regs.h b/drivers/net/wireless/mediatek/mt76/mt7915/regs.h
index 848703e6eb7c..294cc0769331 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/regs.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/regs.h
@@ -342,7 +342,8 @@
#define MT_INT_RX_DONE_DATA1 BIT(17)
#define MT_INT_RX_DONE_WM BIT(0)
#define MT_INT_RX_DONE_WA BIT(1)
-#define MT_INT_RX_DONE_ALL (BIT(0) | BIT(1) | GENMASK(17, 16))
+#define MT_INT_RX_DONE_WA_EXT BIT(2)
+#define MT_INT_RX_DONE_ALL (GENMASK(2, 0) | GENMASK(17, 16))
#define MT_INT_TX_DONE_MCU_WA BIT(15)
#define MT_INT_TX_DONE_FWDL BIT(26)
#define MT_INT_TX_DONE_MCU_WM BIT(27)
--
2.30.2