Backmerge tag 'v6.9-rc5' into drm-next

Linux 6.9-rc5

I've had a persistent msm failure on clang, and the fix is in fixes
so just pull it back to fix that.

Signed-off-by: Dave Airlie <airlied@redhat.com>

1 files changed, 46 insertions, 46 deletions

diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c
index d1be030c8848..fcb756d77681 100644
--- a/drivers/net/ethernet/renesas/ravb_main.c
+++ b/drivers/net/ethernet/renesas/ravb_main.c
@@ -769,25 +769,28 @@ static bool ravb_rx_gbeth(struct net_device *ndev, int *quota, int q)
 	dma_addr_t dma_addr;
 	int rx_packets = 0;
 	u8  desc_status;
-	u16 pkt_len;
+	u16 desc_len;
 	u8  die_dt;
 	int entry;
 	int limit;
 	int i;
 
-	entry = priv->cur_rx[q] % priv->num_rx_ring[q];
 	limit = priv->dirty_rx[q] + priv->num_rx_ring[q] - priv->cur_rx[q];
 	stats = &priv->stats[q];
 
-	desc = &priv->rx_ring[q].desc[entry];
-	for (i = 0; i < limit && rx_packets < *quota && desc->die_dt != DT_FEMPTY; i++) {
+	for (i = 0; i < limit; i++, priv->cur_rx[q]++) {
+		entry = priv->cur_rx[q] % priv->num_rx_ring[q];
+		desc = &priv->rx_ring[q].desc[entry];
+		if (rx_packets == *quota || desc->die_dt == DT_FEMPTY)
+			break;
+
 		/* Descriptor type must be checked before all other reads */
 		dma_rmb();
 		desc_status = desc->msc;
-		pkt_len = le16_to_cpu(desc->ds_cc) & RX_DS;
+		desc_len = le16_to_cpu(desc->ds_cc) & RX_DS;
 
 		/* We use 0-byte descriptors to mark the DMA mapping errors */
-		if (!pkt_len)
+		if (!desc_len)
 			continue;
 
 		if (desc_status & MSC_MC)
@@ -808,25 +811,25 @@ static bool ravb_rx_gbeth(struct net_device *ndev, int *quota, int q)
 			switch (die_dt) {
 			case DT_FSINGLE:
 				skb = ravb_get_skb_gbeth(ndev, entry, desc);
-				skb_put(skb, pkt_len);
+				skb_put(skb, desc_len);
 				skb->protocol = eth_type_trans(skb, ndev);
 				if (ndev->features & NETIF_F_RXCSUM)
 					ravb_rx_csum_gbeth(skb);
 				napi_gro_receive(&priv->napi[q], skb);
 				rx_packets++;
-				stats->rx_bytes += pkt_len;
+				stats->rx_bytes += desc_len;
 				break;
 			case DT_FSTART:
 				priv->rx_1st_skb = ravb_get_skb_gbeth(ndev, entry, desc);
-				skb_put(priv->rx_1st_skb, pkt_len);
+				skb_put(priv->rx_1st_skb, desc_len);
 				break;
 			case DT_FMID:
 				skb = ravb_get_skb_gbeth(ndev, entry, desc);
 				skb_copy_to_linear_data_offset(priv->rx_1st_skb,
 							       priv->rx_1st_skb->len,
 							       skb->data,
-							       pkt_len);
-				skb_put(priv->rx_1st_skb, pkt_len);
+							       desc_len);
+				skb_put(priv->rx_1st_skb, desc_len);
 				dev_kfree_skb(skb);
 				break;
 			case DT_FEND:
@@ -834,23 +837,20 @@ static bool ravb_rx_gbeth(struct net_device *ndev, int *quota, int q)
 				skb_copy_to_linear_data_offset(priv->rx_1st_skb,
 							       priv->rx_1st_skb->len,
 							       skb->data,
-							       pkt_len);
-				skb_put(priv->rx_1st_skb, pkt_len);
+							       desc_len);
+				skb_put(priv->rx_1st_skb, desc_len);
 				dev_kfree_skb(skb);
 				priv->rx_1st_skb->protocol =
 					eth_type_trans(priv->rx_1st_skb, ndev);
 				if (ndev->features & NETIF_F_RXCSUM)
-					ravb_rx_csum_gbeth(skb);
+					ravb_rx_csum_gbeth(priv->rx_1st_skb);
+				stats->rx_bytes += priv->rx_1st_skb->len;
 				napi_gro_receive(&priv->napi[q],
 						 priv->rx_1st_skb);
 				rx_packets++;
-				stats->rx_bytes += pkt_len;
 				break;
 			}
 		}
-
-		entry = (++priv->cur_rx[q]) % priv->num_rx_ring[q];
-		desc = &priv->rx_ring[q].desc[entry];
 	}
 
 	/* Refill the RX ring buffers. */
@@ -891,30 +891,29 @@ static bool ravb_rx_rcar(struct net_device *ndev, int *quota, int q)
 {
 	struct ravb_private *priv = netdev_priv(ndev);
 	const struct ravb_hw_info *info = priv->info;
-	int entry = priv->cur_rx[q] % priv->num_rx_ring[q];
-	int boguscnt = (priv->dirty_rx[q] + priv->num_rx_ring[q]) -
-			priv->cur_rx[q];
 	struct net_device_stats *stats = &priv->stats[q];
 	struct ravb_ex_rx_desc *desc;
+	unsigned int limit, i;
 	struct sk_buff *skb;
 	dma_addr_t dma_addr;
 	struct timespec64 ts;
+	int rx_packets = 0;
 	u8  desc_status;
 	u16 pkt_len;
-	int limit;
+	int entry;
+
+	limit = priv->dirty_rx[q] + priv->num_rx_ring[q] - priv->cur_rx[q];
+	for (i = 0; i < limit; i++, priv->cur_rx[q]++) {
+		entry = priv->cur_rx[q] % priv->num_rx_ring[q];
+		desc = &priv->rx_ring[q].ex_desc[entry];
+		if (rx_packets == *quota || desc->die_dt == DT_FEMPTY)
+			break;
 
-	boguscnt = min(boguscnt, *quota);
-	limit = boguscnt;
-	desc = &priv->rx_ring[q].ex_desc[entry];
-	while (desc->die_dt != DT_FEMPTY) {
 		/* Descriptor type must be checked before all other reads */
 		dma_rmb();
 		desc_status = desc->msc;
 		pkt_len = le16_to_cpu(desc->ds_cc) & RX_DS;
 
-		if (--boguscnt < 0)
-			break;
-
 		/* We use 0-byte descriptors to mark the DMA mapping errors */
 		if (!pkt_len)
 			continue;
@@ -960,12 +959,9 @@ static bool ravb_rx_rcar(struct net_device *ndev, int *quota, int q)
 			if (ndev->features & NETIF_F_RXCSUM)
 				ravb_rx_csum(skb);
 			napi_gro_receive(&priv->napi[q], skb);
-			stats->rx_packets++;
+			rx_packets++;
 			stats->rx_bytes += pkt_len;
 		}
-
-		entry = (++priv->cur_rx[q]) % priv->num_rx_ring[q];
-		desc = &priv->rx_ring[q].ex_desc[entry];
 	}
 
 	/* Refill the RX ring buffers. */
@@ -995,9 +991,9 @@ static bool ravb_rx_rcar(struct net_device *ndev, int *quota, int q)
 		desc->die_dt = DT_FEMPTY;
 	}
 
-	*quota -= limit - (++boguscnt);
-
-	return boguscnt <= 0;
+	stats->rx_packets += rx_packets;
+	*quota -= rx_packets;
+	return *quota == 0;
 }
 
 /* Packet receive function for Ethernet AVB */
@@ -1324,12 +1320,12 @@ static int ravb_poll(struct napi_struct *napi, int budget)
 	int q = napi - priv->napi;
 	int mask = BIT(q);
 	int quota = budget;
+	bool unmask;
 
 	/* Processing RX Descriptor Ring */
 	/* Clear RX interrupt */
 	ravb_write(ndev, ~(mask | RIS0_RESERVED), RIS0);
-	if (ravb_rx(ndev, &quota, q))
-		goto out;
+	unmask = !ravb_rx(ndev, &quota, q);
 
 	/* Processing TX Descriptor Ring */
 	spin_lock_irqsave(&priv->lock, flags);
@@ -1339,6 +1335,18 @@ static int ravb_poll(struct napi_struct *napi, int budget)
 	netif_wake_subqueue(ndev, q);
 	spin_unlock_irqrestore(&priv->lock, flags);
 
+	/* Receive error message handling */
+	priv->rx_over_errors = priv->stats[RAVB_BE].rx_over_errors;
+	if (info->nc_queues)
+		priv->rx_over_errors += priv->stats[RAVB_NC].rx_over_errors;
+	if (priv->rx_over_errors != ndev->stats.rx_over_errors)
+		ndev->stats.rx_over_errors = priv->rx_over_errors;
+	if (priv->rx_fifo_errors != ndev->stats.rx_fifo_errors)
+		ndev->stats.rx_fifo_errors = priv->rx_fifo_errors;
+
+	if (!unmask)
+		goto out;
+
 	napi_complete(napi);
 
 	/* Re-enable RX/TX interrupts */
@@ -1352,14 +1360,6 @@ static int ravb_poll(struct napi_struct *napi, int budget)
 	}
 	spin_unlock_irqrestore(&priv->lock, flags);
 
-	/* Receive error message handling */
-	priv->rx_over_errors =  priv->stats[RAVB_BE].rx_over_errors;
-	if (info->nc_queues)
-		priv->rx_over_errors += priv->stats[RAVB_NC].rx_over_errors;
-	if (priv->rx_over_errors != ndev->stats.rx_over_errors)
-		ndev->stats.rx_over_errors = priv->rx_over_errors;
-	if (priv->rx_fifo_errors != ndev->stats.rx_fifo_errors)
-		ndev->stats.rx_fifo_errors = priv->rx_fifo_errors;
 out:
 	return budget - quota;
 }