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Revert "ramips: ethernet: fix to interrupt handling"
This reverts commit 7ac454014a
.
The change reportedly causes regressions in ethernet performance.
Fixes: FS#3332
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
This commit is contained in:
parent
29b4104d69
commit
34a9652904
@ -876,8 +876,6 @@ static int fe_poll_rx(struct napi_struct *napi, int budget,
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struct fe_rx_dma *rxd, trxd;
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int done = 0, pad;
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fe_reg_w32(rx_intr, FE_REG_FE_INT_STATUS);
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if (netdev->features & NETIF_F_RXCSUM)
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checksum_bit = soc->checksum_bit;
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else
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@ -970,6 +968,9 @@ release_desc:
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done++;
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}
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if (done < budget)
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fe_reg_w32(rx_intr, FE_REG_FE_INT_STATUS);
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return done;
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}
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@ -985,8 +986,6 @@ static int fe_poll_tx(struct fe_priv *priv, int budget, u32 tx_intr,
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u32 idx, hwidx;
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struct fe_tx_ring *ring = &priv->tx_ring;
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fe_reg_w32(tx_intr, FE_REG_FE_INT_STATUS);
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idx = ring->tx_free_idx;
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hwidx = fe_reg_r32(FE_REG_TX_DTX_IDX0);
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@ -1010,7 +1009,9 @@ static int fe_poll_tx(struct fe_priv *priv, int budget, u32 tx_intr,
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if (idx == hwidx) {
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/* read hw index again make sure no new tx packet */
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hwidx = fe_reg_r32(FE_REG_TX_DTX_IDX0);
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if (idx != hwidx)
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if (idx == hwidx)
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fe_reg_w32(tx_intr, FE_REG_FE_INT_STATUS);
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else
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*tx_again = 1;
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} else {
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*tx_again = 1;
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