[PATCH net-next 3/7] net: stmmac: gmac4+: Enable the TBU Interrupt

From: Jose Abreu
Date: Wed Nov 13 2019 - 10:13:00 EST


Enables Transmit Buffer Unavailable interrupt so that any coalesced
packet is not missed on transmission.

Signed-off-by: Jose Abreu <Jose.Abreu@xxxxxxxxxxxx>

---
Cc: Giuseppe Cavallaro <peppe.cavallaro@xxxxxx>
Cc: Alexandre Torgue <alexandre.torgue@xxxxxx>
Cc: Jose Abreu <joabreu@xxxxxxxxxxxx>
Cc: "David S. Miller" <davem@xxxxxxxxxxxxx>
Cc: Maxime Coquelin <mcoquelin.stm32@xxxxxxxxx>
Cc: netdev@xxxxxxxxxxxxxxx
Cc: linux-stm32@xxxxxxxxxxxxxxxxxxxxxxxxxxxx
Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
Cc: linux-kernel@xxxxxxxxxxxxxxx
---
drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.h | 2 ++
1 file changed, 2 insertions(+)

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.h b/drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.h
index 589931795847..1be1df5f65de 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.h
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.h
@@ -161,6 +161,7 @@

#define DMA_CHAN_INTR_NORMAL (DMA_CHAN_INTR_ENA_NIE | \
DMA_CHAN_INTR_ENA_RIE | \
+ DMA_CHAN_INTR_ENA_TBUE | \
DMA_CHAN_INTR_ENA_TIE)

#define DMA_CHAN_INTR_ABNORMAL (DMA_CHAN_INTR_ENA_AIE | \
@@ -171,6 +172,7 @@

#define DMA_CHAN_INTR_NORMAL_4_10 (DMA_CHAN_INTR_ENA_NIE_4_10 | \
DMA_CHAN_INTR_ENA_RIE | \
+ DMA_CHAN_INTR_ENA_TBUE | \
DMA_CHAN_INTR_ENA_TIE)

#define DMA_CHAN_INTR_ABNORMAL_4_10 (DMA_CHAN_INTR_ENA_AIE_4_10 | \
--
2.7.4