[net-next,v3,01/19] net: ravb: Let IP-specific receive function to interrogate descriptors

Message ID 20240105082339.1468817-2-claudiu.beznea.uj@bp.renesas.com
State New
Headers
Series net: ravb: Add suspend to RAM and runtime PM support for RZ/G3S |

Commit Message

claudiu beznea Jan. 5, 2024, 8:23 a.m. UTC
  From: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>

ravb_poll() initial code used to interrogate the first descriptor of the
RX queue in case gPTP is false to determine if ravb_rx() should be called.
This is done for non-gPTP IPs. For gPTP IPs the driver PTP-specific
information was used to determine if receive function should be called. As
every IP has its own receive function that interrogates the RX descriptors
list in the same way the ravb_poll() was doing there is no need to double
check this in ravb_poll(). Removing the code from ravb_poll() leads to a
cleaner code.

Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
---

Changes in v3:
- collected Sergey's tag

Changes in v2:
- addressed review comments and keep stale code out of this patch

 drivers/net/ethernet/renesas/ravb_main.c | 13 ++-----------
 1 file changed, 2 insertions(+), 11 deletions(-)
  

Patch

diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c
index 8649b3e90edb..921f645a7218 100644
--- a/drivers/net/ethernet/renesas/ravb_main.c
+++ b/drivers/net/ethernet/renesas/ravb_main.c
@@ -1288,25 +1288,16 @@  static int ravb_poll(struct napi_struct *napi, int budget)
 	struct net_device *ndev = napi->dev;
 	struct ravb_private *priv = netdev_priv(ndev);
 	const struct ravb_hw_info *info = priv->info;
-	bool gptp = info->gptp || info->ccc_gac;
-	struct ravb_rx_desc *desc;
 	unsigned long flags;
 	int q = napi - priv->napi;
 	int mask = BIT(q);
 	int quota = budget;
-	unsigned int entry;
 
-	if (!gptp) {
-		entry = priv->cur_rx[q] % priv->num_rx_ring[q];
-		desc = &priv->gbeth_rx_ring[entry];
-	}
 	/* Processing RX Descriptor Ring */
 	/* Clear RX interrupt */
 	ravb_write(ndev, ~(mask | RIS0_RESERVED), RIS0);
-	if (gptp || desc->die_dt != DT_FEMPTY) {
-		if (ravb_rx(ndev, &quota, q))
-			goto out;
-	}
+	if (ravb_rx(ndev, &quota, q))
+		goto out;
 
 	/* Processing TX Descriptor Ring */
 	spin_lock_irqsave(&priv->lock, flags);