diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/tg3.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c index a0b8848049c..fef1d087107 100644 --- a/drivers/net/tg3.c +++ b/drivers/net/tg3.c @@ -2929,6 +2929,7 @@ static int tg3_poll(struct net_device *netdev, int *budget) if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) tp->last_tag = sblk->status_tag; rmb(); + sblk->status &= ~SD_STATUS_UPDATED; /* if no more work, tell net stack and NIC we're done */ done = !tg3_has_work(tp); @@ -2964,6 +2965,7 @@ static irqreturn_t tg3_msi(int irq, void *dev_id, struct pt_regs *regs) */ tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001); tp->last_tag = sblk->status_tag; + rmb(); sblk->status &= ~SD_STATUS_UPDATED; if (likely(tg3_has_work(tp))) netif_rx_schedule(dev); /* schedule NAPI poll */ @@ -3051,6 +3053,7 @@ static irqreturn_t tg3_interrupt_tagged(int irq, void *dev_id, struct pt_regs *r tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001); tp->last_tag = sblk->status_tag; + rmb(); sblk->status &= ~SD_STATUS_UPDATED; if (likely(tg3_has_work(tp))) netif_rx_schedule(dev); /* schedule NAPI poll */ |