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moxart_ether: pass struct device to DMA API functions 

The DMA API generally relies on a struct device to work properly, and
only barely works without one for legacy reasons.  Pass the easily
available struct device from the platform_device to remedy this.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Christoph Hellwig 2019-02-11 14:20:02 +01:00 committed by David S. Miller
parent e86b76f633
commit 5dac33ad6f
2 changed files with 8 additions and 4 deletions
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11
drivers/net/ethernet/moxa/moxart_ether.c
View File

@ -81,11 +81,13 @@ static void moxart_mac_free_memory(struct net_device *ndev)
priv->rx_buf_size, DMA_FROM_DEVICE);
if (priv->tx_desc_base)
dma_free_coherent(NULL, TX_REG_DESC_SIZE * TX_DESC_NUM,
dma_free_coherent(&priv->pdev->dev,
TX_REG_DESC_SIZE * TX_DESC_NUM,
priv->tx_desc_base, priv->tx_base);
if (priv->rx_desc_base)
dma_free_coherent(NULL, RX_REG_DESC_SIZE * RX_DESC_NUM,
dma_free_coherent(&priv->pdev->dev,
RX_REG_DESC_SIZE * RX_DESC_NUM,
priv->rx_desc_base, priv->rx_base);
kfree(priv->tx_buf_base);
@ -476,6 +478,7 @@ static int moxart_mac_probe(struct platform_device *pdev)
priv = netdev_priv(ndev);
priv->ndev = ndev;
priv->pdev = pdev;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
ndev->base_addr = res->start;
@ -491,7 +494,7 @@ static int moxart_mac_probe(struct platform_device *pdev)
priv->tx_buf_size = TX_BUF_SIZE;
priv->rx_buf_size = RX_BUF_SIZE;
priv->tx_desc_base = dma_alloc_coherent(NULL, TX_REG_DESC_SIZE *
priv->tx_desc_base = dma_alloc_coherent(&pdev->dev, TX_REG_DESC_SIZE *
TX_DESC_NUM, &priv->tx_base,
GFP_DMA | GFP_KERNEL);
if (!priv->tx_desc_base) {
@ -499,7 +502,7 @@ static int moxart_mac_probe(struct platform_device *pdev)
goto init_fail;
}
priv->rx_desc_base = dma_alloc_coherent(NULL, RX_REG_DESC_SIZE *
priv->rx_desc_base = dma_alloc_coherent(&pdev->dev, RX_REG_DESC_SIZE *
RX_DESC_NUM, &priv->rx_base,
GFP_DMA | GFP_KERNEL);
if (!priv->rx_desc_base) {

1
drivers/net/ethernet/moxa/moxart_ether.h
View File

@ -292,6 +292,7 @@
#define LINK_STATUS 0x4
struct moxart_mac_priv_t {
struct platform_device *pdev;
void __iomem *base;
unsigned int reg_maccr;
unsigned int reg_imr;