diff options
| author | Christoph Hellwig <hch@lst.de> | 2019-02-11 14:20:02 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-02-12 12:09:23 -0500 |
| commit | 5dac33ad6f0d1dbc20736fa13d833250e7f12a26 (patch) | |
| tree | 564272738ce1dde33d3c00176a69687bf0ce6138 | |
| parent | e86b76f63351e8393c6a7d15bd46366da16ffd3f (diff) | |
| download | linux-5dac33ad6f0d1dbc20736fa13d833250e7f12a26.tar.bz2 | |
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>
| -rw-r--r-- | drivers/net/ethernet/moxa/moxart_ether.c | 11 | ||||
| -rw-r--r-- | drivers/net/ethernet/moxa/moxart_ether.h | 1 |
2 files changed, 8 insertions, 4 deletions
diff --git a/drivers/net/ethernet/moxa/moxart_ether.c b/drivers/net/ethernet/moxa/moxart_ether.c index b34055ac476f..00dec0ffb11b 100644 --- a/drivers/net/ethernet/moxa/moxart_ether.c +++ b/drivers/net/ethernet/moxa/moxart_ether.c @@ -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) { diff --git a/drivers/net/ethernet/moxa/moxart_ether.h b/drivers/net/ethernet/moxa/moxart_ether.h index bee608b547d1..bf4c3029cd0c 100644 --- a/drivers/net/ethernet/moxa/moxart_ether.h +++ b/drivers/net/ethernet/moxa/moxart_ether.h @@ -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; |