diff options
Diffstat (limited to 'drivers/net/arm/ks8695net.c')
| -rw-r--r-- | drivers/net/arm/ks8695net.c | 35 |
1 files changed, 13 insertions, 22 deletions
diff --git a/drivers/net/arm/ks8695net.c b/drivers/net/arm/ks8695net.c index 0073d198715..be256b34cea 100644 --- a/drivers/net/arm/ks8695net.c +++ b/drivers/net/arm/ks8695net.c @@ -433,24 +433,16 @@ ks8695_rx_irq(int irq, void *dev_id) { struct net_device *ndev = (struct net_device *)dev_id; struct ks8695_priv *ksp = netdev_priv(ndev); - unsigned long status; - - unsigned long mask_bit = 1 << ks8695_get_rx_enable_bit(ksp); spin_lock(&ksp->rx_lock); - status = readl(KS8695_IRQ_VA + KS8695_INTST); - - /*clean rx status bit*/ - writel(status | mask_bit , KS8695_IRQ_VA + KS8695_INTST); - - if (status & mask_bit) { - if (napi_schedule_prep(&ksp->napi)) { - /*disable rx interrupt*/ - status &= ~mask_bit; - writel(status , KS8695_IRQ_VA + KS8695_INTEN); - __napi_schedule(&ksp->napi); - } + if (napi_schedule_prep(&ksp->napi)) { + unsigned long status = readl(KS8695_IRQ_VA + KS8695_INTEN); + unsigned long mask_bit = 1 << ks8695_get_rx_enable_bit(ksp); + /*disable rx interrupt*/ + status &= ~mask_bit; + writel(status , KS8695_IRQ_VA + KS8695_INTEN); + __napi_schedule(&ksp->napi); } spin_unlock(&ksp->rx_lock); @@ -552,14 +544,13 @@ rx_finished: ksp->next_rx_desc_read = (last_rx_processed + 1) & MAX_RX_DESC_MASK; - - /* And refill the buffers */ - ks8695_refill_rxbuffers(ksp); - - /* Kick the RX DMA engine, in case it became - * suspended */ - ks8695_writereg(ksp, KS8695_DRSC, 0); } + /* And refill the buffers */ + ks8695_refill_rxbuffers(ksp); + + /* Kick the RX DMA engine, in case it became + * suspended */ + ks8695_writereg(ksp, KS8695_DRSC, 0); return received; } |