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