diff options
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/net/ethernet/freescale/fec_main.c | 19 |
1 files changed, 7 insertions, 12 deletions
diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c index ebf76c496e7a..5ebdf8dc8a31 100644 --- a/drivers/net/ethernet/freescale/fec_main.c +++ b/drivers/net/ethernet/freescale/fec_main.c | |||
@@ -1558,20 +1558,21 @@ fec_enet_interrupt(int irq, void *dev_id) | |||
1558 | { | 1558 | { |
1559 | struct net_device *ndev = dev_id; | 1559 | struct net_device *ndev = dev_id; |
1560 | struct fec_enet_private *fep = netdev_priv(ndev); | 1560 | struct fec_enet_private *fep = netdev_priv(ndev); |
1561 | const unsigned napi_mask = FEC_ENET_RXF | FEC_ENET_TXF; | ||
1562 | uint int_events; | 1561 | uint int_events; |
1563 | irqreturn_t ret = IRQ_NONE; | 1562 | irqreturn_t ret = IRQ_NONE; |
1564 | 1563 | ||
1565 | int_events = readl(fep->hwp + FEC_IEVENT); | 1564 | int_events = readl(fep->hwp + FEC_IEVENT); |
1566 | writel(int_events & ~napi_mask, fep->hwp + FEC_IEVENT); | 1565 | writel(int_events, fep->hwp + FEC_IEVENT); |
1567 | fec_enet_collect_events(fep, int_events); | 1566 | fec_enet_collect_events(fep, int_events); |
1568 | 1567 | ||
1569 | if (int_events & napi_mask) { | 1568 | if (fep->work_tx || fep->work_rx) { |
1570 | ret = IRQ_HANDLED; | 1569 | ret = IRQ_HANDLED; |
1571 | 1570 | ||
1572 | /* Disable the NAPI interrupts */ | 1571 | if (napi_schedule_prep(&fep->napi)) { |
1573 | writel(FEC_ENET_MII, fep->hwp + FEC_IMASK); | 1572 | /* Disable the NAPI interrupts */ |
1574 | napi_schedule(&fep->napi); | 1573 | writel(FEC_ENET_MII, fep->hwp + FEC_IMASK); |
1574 | __napi_schedule(&fep->napi); | ||
1575 | } | ||
1575 | } | 1576 | } |
1576 | 1577 | ||
1577 | if (int_events & FEC_ENET_MII) { | 1578 | if (int_events & FEC_ENET_MII) { |
@@ -1591,12 +1592,6 @@ static int fec_enet_rx_napi(struct napi_struct *napi, int budget) | |||
1591 | struct fec_enet_private *fep = netdev_priv(ndev); | 1592 | struct fec_enet_private *fep = netdev_priv(ndev); |
1592 | int pkts; | 1593 | int pkts; |
1593 | 1594 | ||
1594 | /* | ||
1595 | * Clear any pending transmit or receive interrupts before | ||
1596 | * processing the rings to avoid racing with the hardware. | ||
1597 | */ | ||
1598 | writel(FEC_ENET_RXF | FEC_ENET_TXF, fep->hwp + FEC_IEVENT); | ||
1599 | |||
1600 | pkts = fec_enet_rx(ndev, budget); | 1595 | pkts = fec_enet_rx(ndev, budget); |
1601 | 1596 | ||
1602 | fec_enet_tx(ndev); | 1597 | fec_enet_tx(ndev); |