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-rw-r--r--drivers/net/ethernet/freescale/fec_main.c19
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);