[PATCH net-next v4 02/13] net: renesas: rswitch: use device instead of net_device

[Michael Dege]

In upcomming changes for adding vlan support struct net_device
will not be available in all cases, therefore use struct device
instead.

Signed-off-by: Michael Dege <michael.dege@xxxxxxxxxxx>
---
 drivers/net/ethernet/renesas/rswitch_main.c | 34 ++++++++++++++---------------
 1 file changed, 16 insertions(+), 18 deletions(-)

diff --git a/drivers/net/ethernet/renesas/rswitch_main.c b/drivers/net/ethernet/renesas/rswitch_main.c
index 9b739594cc02..3a2bc14e5bd7 100644
--- a/drivers/net/ethernet/renesas/rswitch_main.c
+++ b/drivers/net/ethernet/renesas/rswitch_main.c
@@ -304,13 +304,13 @@ static int rswitch_gwca_queue_alloc_rx_buf(struct rswitch_gwca_queue *gq,
 	return -ENOMEM;
 }
 
-static void rswitch_gwca_queue_free(struct net_device *ndev,
+static void rswitch_gwca_queue_free(struct device *dev,
 				    struct rswitch_gwca_queue *gq)
 {
 	unsigned int i;
 
 	if (!gq->dir_tx) {
-		dma_free_coherent(ndev->dev.parent,
+		dma_free_coherent(dev,
 				  sizeof(struct rswitch_ext_ts_desc) *
 				  (gq->ring_size + 1), gq->rx_ring, gq->ring_dma);
 		gq->rx_ring = NULL;
@@ -320,7 +320,7 @@ static void rswitch_gwca_queue_free(struct net_device *ndev,
 		kfree(gq->rx_bufs);
 		gq->rx_bufs = NULL;
 	} else {
-		dma_free_coherent(ndev->dev.parent,
+		dma_free_coherent(dev,
 				  sizeof(struct rswitch_ext_desc) *
 				  (gq->ring_size + 1), gq->tx_ring, gq->ring_dma);
 		gq->tx_ring = NULL;
@@ -359,7 +359,7 @@ static int rswitch_gwca_queue_alloc(struct net_device *ndev,
 		if (rswitch_gwca_queue_alloc_rx_buf(gq, 0, gq->ring_size) < 0)
 			goto out;
 
-		gq->rx_ring = dma_alloc_coherent(ndev->dev.parent,
+		gq->rx_ring = dma_alloc_coherent(&priv->pdev->dev,
 						 sizeof(struct rswitch_ext_ts_desc) *
 						 (gq->ring_size + 1), &gq->ring_dma, GFP_KERNEL);
 	} else {
@@ -369,7 +369,7 @@ static int rswitch_gwca_queue_alloc(struct net_device *ndev,
 		gq->unmap_addrs = kzalloc_objs(*gq->unmap_addrs, gq->ring_size);
 		if (!gq->unmap_addrs)
 			goto out;
-		gq->tx_ring = dma_alloc_coherent(ndev->dev.parent,
+		gq->tx_ring = dma_alloc_coherent(&priv->pdev->dev,
 						 sizeof(struct rswitch_ext_desc) *
 						 (gq->ring_size + 1), &gq->ring_dma, GFP_KERNEL);
 	}
@@ -387,7 +387,7 @@ static int rswitch_gwca_queue_alloc(struct net_device *ndev,
 	return 0;
 
 out:
-	rswitch_gwca_queue_free(ndev, gq);
+	rswitch_gwca_queue_free(&priv->pdev->dev, gq);
 
 	return -ENOMEM;
 }
@@ -469,12 +469,11 @@ static void rswitch_gwca_ts_queue_fill(struct rswitch_private *priv,
 	}
 }
 
-static int rswitch_gwca_queue_ext_ts_fill(struct net_device *ndev,
+static int rswitch_gwca_queue_ext_ts_fill(struct device *dev,
 					  struct rswitch_gwca_queue *gq,
 					  unsigned int start_index,
 					  unsigned int num)
 {
-	struct rswitch_device *rdev = netdev_priv(ndev);
 	struct rswitch_ext_ts_desc *desc;
 	unsigned int i, index;
 	dma_addr_t dma_addr;
@@ -483,18 +482,17 @@ static int rswitch_gwca_queue_ext_ts_fill(struct net_device *ndev,
 		index = (i + start_index) % gq->ring_size;
 		desc = &gq->rx_ring[index];
 		if (!gq->dir_tx) {
-			dma_addr = dma_map_single(ndev->dev.parent,
+			dma_addr = dma_map_single(dev,
 						  gq->rx_bufs[index] + RSWITCH_HEADROOM,
 						  RSWITCH_MAP_BUF_SIZE,
 						  DMA_FROM_DEVICE);
-			if (dma_mapping_error(ndev->dev.parent, dma_addr))
+			if (dma_mapping_error(dev, dma_addr))
 				goto err;
 
 			desc->desc.info_ds = cpu_to_le16(RSWITCH_DESC_BUF_SIZE);
 			rswitch_desc_set_dptr(&desc->desc, dma_addr);
 			dma_wmb();
 			desc->desc.die_dt = DT_FEMPTY | DIE;
-			desc->info1 = cpu_to_le64(INFO1_SPN(rdev->etha->index));
 		} else {
 			desc->desc.die_dt = DT_EEMPTY | DIE;
 		}
@@ -508,7 +506,7 @@ static int rswitch_gwca_queue_ext_ts_fill(struct net_device *ndev,
 			index = (i + start_index) % gq->ring_size;
 			desc = &gq->rx_ring[index];
 			dma_addr = rswitch_desc_get_dptr(&desc->desc);
-			dma_unmap_single(ndev->dev.parent, dma_addr,
+			dma_unmap_single(dev, dma_addr,
 					 RSWITCH_MAP_BUF_SIZE, DMA_FROM_DEVICE);
 		}
 	}
@@ -516,7 +514,7 @@ static int rswitch_gwca_queue_ext_ts_fill(struct net_device *ndev,
 	return -ENOMEM;
 }
 
-static int rswitch_gwca_queue_ext_ts_format(struct net_device *ndev,
+static int rswitch_gwca_queue_ext_ts_format(struct device *dev,
 					    struct rswitch_private *priv,
 					    struct rswitch_gwca_queue *gq)
 {
@@ -526,7 +524,7 @@ static int rswitch_gwca_queue_ext_ts_format(struct net_device *ndev,
 	int err;
 
 	memset(gq->rx_ring, 0, ring_size);
-	err = rswitch_gwca_queue_ext_ts_fill(ndev, gq, 0, gq->ring_size);
+	err = rswitch_gwca_queue_ext_ts_fill(dev, gq, 0, gq->ring_size);
 	if (err < 0)
 		return err;
 
@@ -638,7 +636,7 @@ static void rswitch_txdmac_free(struct net_device *ndev)
 {
 	struct rswitch_device *rdev = netdev_priv(ndev);
 
-	rswitch_gwca_queue_free(ndev, rdev->tx_queue);
+	rswitch_gwca_queue_free(ndev->dev.parent, rdev->tx_queue);
 	rswitch_gwca_put(rdev->priv, rdev->tx_queue);
 }
 
@@ -672,7 +670,7 @@ static void rswitch_rxdmac_free(struct net_device *ndev)
 {
 	struct rswitch_device *rdev = netdev_priv(ndev);
 
-	rswitch_gwca_queue_free(ndev, rdev->rx_queue);
+	rswitch_gwca_queue_free(ndev->dev.parent, rdev->rx_queue);
 	rswitch_gwca_put(rdev->priv, rdev->rx_queue);
 }
 
@@ -681,7 +679,7 @@ static int rswitch_rxdmac_init(struct rswitch_private *priv, unsigned int index)
 	struct rswitch_device *rdev = priv->rdev[index];
 	struct net_device *ndev = rdev->ndev;
 
-	return rswitch_gwca_queue_ext_ts_format(ndev, priv, rdev->rx_queue);
+	return rswitch_gwca_queue_ext_ts_format(ndev->dev.parent, priv, rdev->rx_queue);
 }
 
 static int rswitch_gwca_hw_init(struct rswitch_private *priv)
@@ -872,7 +870,7 @@ static bool rswitch_rx(struct net_device *ndev, int *quota)
 	ret = rswitch_gwca_queue_alloc_rx_buf(gq, gq->dirty, num);
 	if (ret < 0)
 		goto err;
-	ret = rswitch_gwca_queue_ext_ts_fill(ndev, gq, gq->dirty, num);
+	ret = rswitch_gwca_queue_ext_ts_fill(ndev->dev.parent, gq, gq->dirty, num);
 	if (ret < 0)
 		goto err;
 	gq->dirty = rswitch_next_queue_index(gq, false, num);

-- 
2.43.0