diff options
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/ethernet/cadence/macb.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/net/ethernet/cadence/macb.c b/drivers/net/ethernet/cadence/macb.c index 4104d49f005d..61aa570aad9a 100644 --- a/drivers/net/ethernet/cadence/macb.c +++ b/drivers/net/ethernet/cadence/macb.c @@ -981,7 +981,7 @@ static irqreturn_t macb_interrupt(int irq, void *dev_id) struct macb_queue *queue = dev_id; struct macb *bp = queue->bp; struct net_device *dev = bp->dev; - u32 status; + u32 status, ctrl; status = queue_readl(queue, ISR); @@ -1037,6 +1037,15 @@ static irqreturn_t macb_interrupt(int irq, void *dev_id) * add that if/when we get our hands on a full-blown MII PHY. */ + if (status & MACB_BIT(RXUBR)) { + ctrl = macb_readl(bp, NCR); + macb_writel(bp, NCR, ctrl & ~MACB_BIT(RE)); + macb_writel(bp, NCR, ctrl | MACB_BIT(RE)); + + if (bp->caps & MACB_CAPS_ISR_CLEAR_ON_WRITE) + macb_writel(bp, ISR, MACB_BIT(RXUBR)); + } + if (status & MACB_BIT(ISR_ROVR)) { /* We missed at least one packet */ if (macb_is_gem(bp)) |