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96 lines
3.5 KiB
96 lines
3.5 KiB
12 years ago
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From 1d67040af0144c549f4db8144d2ccc253ff8639c Mon Sep 17 00:00:00 2001
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From: Jonas Gorski <jogo@openwrt.org>
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Date: Mon, 1 Jul 2013 16:39:28 +0200
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Subject: [PATCH 2/2] net: ixp4xx_eth: use parent device for dma allocations
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Now that the platfomr device provides a dma_cohorent_mask, use it for
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dma operations.
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This fixes ethernet on ixp4xx which was broken since 3.7.
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Signed-off-by: Jonas Gorski <jogo@openwrt.org>
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---
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drivers/net/ethernet/xscale/ixp4xx_eth.c | 23 ++++++++++++-----------
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1 file changed, 12 insertions(+), 11 deletions(-)
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--- a/drivers/net/ethernet/xscale/ixp4xx_eth.c
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+++ b/drivers/net/ethernet/xscale/ixp4xx_eth.c
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@@ -641,10 +641,10 @@ static inline void queue_put_desc(unsign
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static inline void dma_unmap_tx(struct port *port, struct desc *desc)
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{
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#ifdef __ARMEB__
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- dma_unmap_single(&port->netdev->dev, desc->data,
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+ dma_unmap_single(port->netdev->dev.parent, desc->data,
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desc->buf_len, DMA_TO_DEVICE);
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#else
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- dma_unmap_single(&port->netdev->dev, desc->data & ~3,
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+ dma_unmap_single(port->netdev->dev.parent, desc->data & ~3,
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ALIGN((desc->data & 3) + desc->buf_len, 4),
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DMA_TO_DEVICE);
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#endif
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@@ -711,9 +711,9 @@ static int eth_poll(struct napi_struct *
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#ifdef __ARMEB__
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if ((skb = netdev_alloc_skb(dev, RX_BUFF_SIZE))) {
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- phys = dma_map_single(&dev->dev, skb->data,
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+ phys = dma_map_single(dev->dev.parent, skb->data,
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RX_BUFF_SIZE, DMA_FROM_DEVICE);
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- if (dma_mapping_error(&dev->dev, phys)) {
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+ if (dma_mapping_error(dev->dev.parent, phys)) {
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dev_kfree_skb(skb);
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skb = NULL;
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}
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@@ -736,10 +736,11 @@ static int eth_poll(struct napi_struct *
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#ifdef __ARMEB__
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temp = skb;
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skb = port->rx_buff_tab[n];
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- dma_unmap_single(&dev->dev, desc->data - NET_IP_ALIGN,
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+ dma_unmap_single(dev->dev.parent, desc->data - NET_IP_ALIGN,
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RX_BUFF_SIZE, DMA_FROM_DEVICE);
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#else
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- dma_sync_single_for_cpu(&dev->dev, desc->data - NET_IP_ALIGN,
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+ dma_sync_single_for_cpu(dev->dev.parent,
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+ desc->data - NET_IP_ALIGN,
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RX_BUFF_SIZE, DMA_FROM_DEVICE);
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memcpy_swab32((u32 *)skb->data, (u32 *)port->rx_buff_tab[n],
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ALIGN(NET_IP_ALIGN + desc->pkt_len, 4) / 4);
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@@ -858,7 +859,7 @@ static int eth_xmit(struct sk_buff *skb,
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memcpy_swab32(mem, (u32 *)((int)skb->data & ~3), bytes / 4);
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#endif
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- phys = dma_map_single(&dev->dev, mem, bytes, DMA_TO_DEVICE);
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+ phys = dma_map_single(dev->dev.parent, mem, bytes, DMA_TO_DEVICE);
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if (dma_mapping_error(&dev->dev, phys)) {
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dev_kfree_skb(skb);
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#ifndef __ARMEB__
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@@ -1104,7 +1105,7 @@ static int init_queues(struct port *port
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int i;
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if (!ports_open) {
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- dma_pool = dma_pool_create(DRV_NAME, &port->netdev->dev,
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+ dma_pool = dma_pool_create(DRV_NAME, port->netdev->dev.parent,
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POOL_ALLOC_SIZE, 32, 0);
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if (!dma_pool)
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return -ENOMEM;
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@@ -1132,9 +1133,9 @@ static int init_queues(struct port *port
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data = buff;
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#endif
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desc->buf_len = MAX_MRU;
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- desc->data = dma_map_single(&port->netdev->dev, data,
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+ desc->data = dma_map_single(port->netdev->dev.parent, data,
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RX_BUFF_SIZE, DMA_FROM_DEVICE);
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- if (dma_mapping_error(&port->netdev->dev, desc->data)) {
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+ if (dma_mapping_error(port->netdev->dev.parent, desc->data)) {
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free_buffer(buff);
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return -EIO;
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}
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@@ -1154,7 +1155,7 @@ static void destroy_queues(struct port *
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struct desc *desc = rx_desc_ptr(port, i);
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buffer_t *buff = port->rx_buff_tab[i];
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if (buff) {
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- dma_unmap_single(&port->netdev->dev,
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+ dma_unmap_single(port->netdev->dev.parent,
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desc->data - NET_IP_ALIGN,
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RX_BUFF_SIZE, DMA_FROM_DEVICE);
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free_buffer(buff);
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