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net: stmmac: Do not disable interrupts when cleaning TX 

This is a performance killer and anyways the interrupts are being
disabled by RX NAPI so no need to disable them again.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Cc: Joao Pinto <jpinto@synopsys.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jose Abreu 2019-06-28 09:29:17 +02:00 committed by David S. Miller
parent 5b0d7d7da6
commit a66b58849f
1 changed files with 3 additions and 5 deletions
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8
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
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@ -2061,10 +2061,8 @@ static int stmmac_napi_check(struct stmmac_priv *priv, u32 chan)
napi_schedule_irqoff(&ch->rx_napi);
}
if ((status & handle_tx) && (chan < priv->plat->tx_queues_to_use)) {
stmmac_disable_dma_irq(priv, priv->ioaddr, chan);
if ((status & handle_tx) && (chan < priv->plat->tx_queues_to_use))
napi_schedule_irqoff(&ch->tx_napi);
}
return status;
}
@ -3570,8 +3568,8 @@ static int stmmac_napi_poll_tx(struct napi_struct *napi, int budget)
work_done = stmmac_tx_clean(priv, DMA_TX_SIZE, chan);
work_done = min(work_done, budget);
if (work_done < budget && napi_complete_done(napi, work_done))
stmmac_enable_dma_irq(priv, priv->ioaddr, chan);
if (work_done < budget)
napi_complete_done(napi, work_done);
/* Force transmission restart */
tx_q = &priv->tx_queue[chan];