diff options
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/sky2.c | 35 |
1 files changed, 17 insertions, 18 deletions
diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c index 90b1b970817..c8e51cf5af7 100644 --- a/drivers/net/sky2.c +++ b/drivers/net/sky2.c @@ -2477,8 +2477,7 @@ static void sky2_err_intr(struct sky2_hw *hw, u32 status) static int sky2_poll(struct net_device *dev0, int *budget) { struct sky2_hw *hw = ((struct sky2_port *) netdev_priv(dev0))->hw; - int work_limit = min(dev0->quota, *budget); - int work_done = 0; + int work_done; u32 status = sky2_read32(hw, B0_Y2_SP_EISR); if (unlikely(status & Y2_IS_ERROR)) @@ -2490,25 +2489,25 @@ static int sky2_poll(struct net_device *dev0, int *budget) if (status & Y2_IS_IRQ_PHY2) sky2_phy_intr(hw, 1); - work_done = sky2_status_intr(hw, work_limit); - if (work_done < work_limit) { - /* Bug/Errata workaround? - * Need to kick the TX irq moderation timer. - */ - if (sky2_read8(hw, STAT_TX_TIMER_CTRL) == TIM_START) { - sky2_write8(hw, STAT_TX_TIMER_CTRL, TIM_STOP); - sky2_write8(hw, STAT_TX_TIMER_CTRL, TIM_START); - } - netif_rx_complete(dev0); + work_done = sky2_status_intr(hw, min(dev0->quota, *budget)); + *budget -= work_done; + dev0->quota -= work_done; - /* end of interrupt, re-enables also acts as I/O synchronization */ - sky2_read32(hw, B0_Y2_SP_LISR); - return 0; - } else { - *budget -= work_done; - dev0->quota -= work_done; + /* More work? */ + if (hw->st_idx != sky2_read16(hw, STAT_PUT_IDX)) return 1; + + /* Bug/Errata workaround? + * Need to kick the TX irq moderation timer. + */ + if (sky2_read8(hw, STAT_TX_TIMER_CTRL) == TIM_START) { + sky2_write8(hw, STAT_TX_TIMER_CTRL, TIM_STOP); + sky2_write8(hw, STAT_TX_TIMER_CTRL, TIM_START); } + netif_rx_complete(dev0); + + sky2_read32(hw, B0_Y2_SP_LISR); + return 0; } static irqreturn_t sky2_intr(int irq, void *dev_id) |