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authorThomas Petazzoni <thomas.petazzoni@free-electrons.com>2017-12-04 14:33:27 +0100
committerDavid S. Miller <davem@davemloft.net>2017-12-05 14:40:34 -0500
commit573500dbf0f2756947517c1d4f942767dbf16dcc (patch)
treec91e5fe688d60eb652d75191b1f1a8d4cbaa3c9c /drivers/net
parent22c1aed4093a605b120d6e566620364843a318ed (diff)
downloadlinux-573500dbf0f2756947517c1d4f942767dbf16dcc.tar.bz2
net: sh_eth: don't use NULL as "struct device" for the DMA mapping API
Using NULL as argument for the DMA mapping API is bogus, as the DMA mapping API may use information from the "struct device" to perform the DMA mapping operation. Therefore, pass the appropriate "struct device". Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Acked-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/ethernet/renesas/sh_eth.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c
index 91e918e654fe..db72d13cebb9 100644
--- a/drivers/net/ethernet/renesas/sh_eth.c
+++ b/drivers/net/ethernet/renesas/sh_eth.c
@@ -1187,7 +1187,7 @@ static void sh_eth_ring_free(struct net_device *ndev)
}
}
ringsize = sizeof(struct sh_eth_rxdesc) * mdp->num_rx_ring;
- dma_free_coherent(NULL, ringsize, mdp->rx_ring,
+ dma_free_coherent(&mdp->pdev->dev, ringsize, mdp->rx_ring,
mdp->rx_desc_dma);
mdp->rx_ring = NULL;
}
@@ -1204,7 +1204,7 @@ static void sh_eth_ring_free(struct net_device *ndev)
sh_eth_tx_free(ndev, false);
ringsize = sizeof(struct sh_eth_txdesc) * mdp->num_tx_ring;
- dma_free_coherent(NULL, ringsize, mdp->tx_ring,
+ dma_free_coherent(&mdp->pdev->dev, ringsize, mdp->tx_ring,
mdp->tx_desc_dma);
mdp->tx_ring = NULL;
}
@@ -1324,8 +1324,8 @@ static int sh_eth_ring_init(struct net_device *ndev)
/* Allocate all Rx descriptors. */
rx_ringsize = sizeof(struct sh_eth_rxdesc) * mdp->num_rx_ring;
- mdp->rx_ring = dma_alloc_coherent(NULL, rx_ringsize, &mdp->rx_desc_dma,
- GFP_KERNEL);
+ mdp->rx_ring = dma_alloc_coherent(&mdp->pdev->dev, rx_ringsize,
+ &mdp->rx_desc_dma, GFP_KERNEL);
if (!mdp->rx_ring)
goto ring_free;
@@ -1333,8 +1333,8 @@ static int sh_eth_ring_init(struct net_device *ndev)
/* Allocate all Tx descriptors. */
tx_ringsize = sizeof(struct sh_eth_txdesc) * mdp->num_tx_ring;
- mdp->tx_ring = dma_alloc_coherent(NULL, tx_ringsize, &mdp->tx_desc_dma,
- GFP_KERNEL);
+ mdp->tx_ring = dma_alloc_coherent(&mdp->pdev->dev, tx_ringsize,
+ &mdp->tx_desc_dma, GFP_KERNEL);
if (!mdp->tx_ring)
goto ring_free;
return 0;