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net: stmmac: fix INTR TBU status affecting irq count statistic
DMA channel status "Transmit buffer unavailable(TBU)" bit is not
considered as a successful dma tx. Hence, it should not affect
all the irq count statistic.
Fixes: 1103d3a553
("net: stmmac: dwmac4: Also use TBU interrupt to clean TX path")
Signed-off-by: Voon Weifeng <weifeng.voon@intel.com>
Signed-off-by: Vijayakannan Ayyathurai <vijayakannan.ayyathurai@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
parent
022522aca4
commit
1975df880b
1 changed files with 3 additions and 2 deletions
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@ -172,11 +172,12 @@ int dwmac4_dma_interrupt(void __iomem *ioaddr,
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x->rx_normal_irq_n++;
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ret |= handle_rx;
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}
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if (likely(intr_status & (DMA_CHAN_STATUS_TI |
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DMA_CHAN_STATUS_TBU))) {
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if (likely(intr_status & DMA_CHAN_STATUS_TI)) {
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x->tx_normal_irq_n++;
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ret |= handle_tx;
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}
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if (unlikely(intr_status & DMA_CHAN_STATUS_TBU))
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ret |= handle_tx;
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if (unlikely(intr_status & DMA_CHAN_STATUS_ERI))
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x->rx_early_irq++;
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