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authorDavid S. Miller <davem@davemloft.net>2021-04-26 12:00:00 -0700
committerDavid S. Miller <davem@davemloft.net>2021-04-26 12:00:00 -0700
commit6876a18d3361e1893187970e1881a1d88d894d3f (patch)
treec79dfb4843b82d9346cae1dce68d9b1cfece1715 /drivers/net/ethernet/renesas
parent0ea1041bfa3aa2971f858edd9e05477c2d3d54a0 (diff)
parentbbd6f0a948139970f4a615dff189d9a503681a39 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Diffstat (limited to 'drivers/net/ethernet/renesas')
-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);