diff options
| -rw-r--r-- | drivers/net/fec_mpc52xx.c | 23 |
1 files changed, 13 insertions, 10 deletions
diff --git a/drivers/net/fec_mpc52xx.c b/drivers/net/fec_mpc52xx.c index e5e6352556f..d21b7ab64bd 100644 --- a/drivers/net/fec_mpc52xx.c +++ b/drivers/net/fec_mpc52xx.c @@ -491,20 +491,23 @@ static irqreturn_t mpc52xx_fec_interrupt(int irq, void *dev_id) out_be32(&fec->ievent, ievent); /* clear pending events */ - if (ievent & ~(FEC_IEVENT_RFIFO_ERROR | FEC_IEVENT_XFIFO_ERROR)) { - if (ievent & ~FEC_IEVENT_TFINT) - dev_dbg(&dev->dev, "ievent: %08x\n", ievent); + /* on fifo error, soft-reset fec */ + if (ievent & (FEC_IEVENT_RFIFO_ERROR | FEC_IEVENT_XFIFO_ERROR)) { + + if (net_ratelimit() && (ievent & FEC_IEVENT_RFIFO_ERROR)) + dev_warn(&dev->dev, "FEC_IEVENT_RFIFO_ERROR\n"); + if (net_ratelimit() && (ievent & FEC_IEVENT_XFIFO_ERROR)) + dev_warn(&dev->dev, "FEC_IEVENT_XFIFO_ERROR\n"); + + mpc52xx_fec_reset(dev); + + netif_wake_queue(dev); return IRQ_HANDLED; } - if (net_ratelimit() && (ievent & FEC_IEVENT_RFIFO_ERROR)) - dev_warn(&dev->dev, "FEC_IEVENT_RFIFO_ERROR\n"); - if (net_ratelimit() && (ievent & FEC_IEVENT_XFIFO_ERROR)) - dev_warn(&dev->dev, "FEC_IEVENT_XFIFO_ERROR\n"); + if (ievent & ~FEC_IEVENT_TFINT) + dev_dbg(&dev->dev, "ievent: %08x\n", ievent); - mpc52xx_fec_reset(dev); - - netif_wake_queue(dev); return IRQ_HANDLED; } |