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-rw-r--r--drivers/net/ethernet/cadence/macb.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/net/ethernet/cadence/macb.c b/drivers/net/ethernet/cadence/macb.c
index 18fdcd9d51b3..e38fe39d9589 100644
--- a/drivers/net/ethernet/cadence/macb.c
+++ b/drivers/net/ethernet/cadence/macb.c
@@ -951,6 +951,10 @@ static irqreturn_t macb_interrupt(int irq, void *dev_id)
if (unlikely(status & (MACB_TX_ERR_FLAGS))) {
macb_writel(bp, IDR, MACB_TX_INT_FLAGS);
schedule_work(&bp->tx_error_task);
+
+ if (bp->caps & MACB_CAPS_ISR_CLEAR_ON_WRITE)
+ macb_writel(bp, ISR, MACB_TX_ERR_FLAGS);
+
break;
}
@@ -968,6 +972,9 @@ static irqreturn_t macb_interrupt(int irq, void *dev_id)
bp->hw_stats.gem.rx_overruns++;
else
bp->hw_stats.macb.rx_overruns++;
+
+ if (bp->caps & MACB_CAPS_ISR_CLEAR_ON_WRITE)
+ macb_writel(bp, ISR, MACB_BIT(ISR_ROVR));
}
if (status & MACB_BIT(HRESP)) {
@@ -977,6 +984,9 @@ static irqreturn_t macb_interrupt(int irq, void *dev_id)
* (work queue?)
*/
netdev_err(dev, "DMA bus error: HRESP not OK\n");
+
+ if (bp->caps & MACB_CAPS_ISR_CLEAR_ON_WRITE)
+ macb_writel(bp, ISR, MACB_BIT(HRESP));
}
status = macb_readl(bp, ISR);