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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)
{
struct net_device *ndev = dev_id;
struct fec_enet_private *fep = netdev_priv(ndev);
- const unsigned napi_mask = FEC_ENET_RXF | FEC_ENET_TXF;
uint int_events;
irqreturn_t ret = IRQ_NONE;
int_events = readl(fep->hwp + FEC_IEVENT);
- writel(int_events & ~napi_mask, fep->hwp + FEC_IEVENT);
+ writel(int_events, fep->hwp + FEC_IEVENT);
fec_enet_collect_events(fep, int_events);
- if (int_events & napi_mask) {
+ if (fep->work_tx || fep->work_rx) {
ret = IRQ_HANDLED;
- /* Disable the NAPI interrupts */
- writel(FEC_ENET_MII, fep->hwp + FEC_IMASK);
- napi_schedule(&fep->napi);
+ if (napi_schedule_prep(&fep->napi)) {
+ /* Disable the NAPI interrupts */
+ writel(FEC_ENET_MII, fep->hwp + FEC_IMASK);
+ __napi_schedule(&fep->napi);
+ }
}
if (int_events & FEC_ENET_MII) {
@@ -1591,12 +1592,6 @@ static int fec_enet_rx_napi(struct napi_struct *napi, int budget)
struct fec_enet_private *fep = netdev_priv(ndev);
int pkts;
- /*
- * Clear any pending transmit or receive interrupts before
- * processing the rings to avoid racing with the hardware.
- */
- writel(FEC_ENET_RXF | FEC_ENET_TXF, fep->hwp + FEC_IEVENT);
-
pkts = fec_enet_rx(ndev, budget);
fec_enet_tx(ndev);