summaryrefslogtreecommitdiff
path: root/drivers/net/ethernet/renesas/ravb_main.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/ethernet/renesas/ravb_main.c')
-rw-r--r--drivers/net/ethernet/renesas/ravb_main.c35
1 files changed, 12 insertions, 23 deletions
diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c
index 9e5dad41cdc9..4afff320dfd0 100644
--- a/drivers/net/ethernet/renesas/ravb_main.c
+++ b/drivers/net/ethernet/renesas/ravb_main.c
@@ -913,31 +913,20 @@ static int ravb_poll(struct napi_struct *napi, int budget)
int q = napi - priv->napi;
int mask = BIT(q);
int quota = budget;
- u32 ris0, tis;
- for (;;) {
- tis = ravb_read(ndev, TIS);
- ris0 = ravb_read(ndev, RIS0);
- if (!((ris0 & mask) || (tis & mask)))
- break;
+ /* Processing RX Descriptor Ring */
+ /* Clear RX interrupt */
+ ravb_write(ndev, ~(mask | RIS0_RESERVED), RIS0);
+ if (ravb_rx(ndev, &quota, q))
+ goto out;
- /* Processing RX Descriptor Ring */
- if (ris0 & mask) {
- /* Clear RX interrupt */
- ravb_write(ndev, ~(mask | RIS0_RESERVED), RIS0);
- if (ravb_rx(ndev, &quota, q))
- goto out;
- }
- /* Processing TX Descriptor Ring */
- if (tis & mask) {
- spin_lock_irqsave(&priv->lock, flags);
- /* Clear TX interrupt */
- ravb_write(ndev, ~(mask | TIS_RESERVED), TIS);
- ravb_tx_free(ndev, q, true);
- netif_wake_subqueue(ndev, q);
- spin_unlock_irqrestore(&priv->lock, flags);
- }
- }
+ /* Processing RX Descriptor Ring */
+ spin_lock_irqsave(&priv->lock, flags);
+ /* Clear TX interrupt */
+ ravb_write(ndev, ~(mask | TIS_RESERVED), TIS);
+ ravb_tx_free(ndev, q, true);
+ netif_wake_subqueue(ndev, q);
+ spin_unlock_irqrestore(&priv->lock, flags);
napi_complete(napi);