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path: root/drivers/net/tokenring/tms380tr.c
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Diffstat (limited to 'drivers/net/tokenring/tms380tr.c')
-rw-r--r--drivers/net/tokenring/tms380tr.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/net/tokenring/tms380tr.c b/drivers/net/tokenring/tms380tr.c
index 9a543fe..2e39bf1 100644
--- a/drivers/net/tokenring/tms380tr.c
+++ b/drivers/net/tokenring/tms380tr.c
@@ -2333,19 +2333,22 @@ void tmsdev_term(struct net_device *dev)
DMA_BIDIRECTIONAL);
}
-int tmsdev_init(struct net_device *dev, unsigned long dmalimit,
- struct device *pdev)
+int tmsdev_init(struct net_device *dev, struct device *pdev)
{
struct net_local *tms_local;
memset(dev->priv, 0, sizeof(struct net_local));
tms_local = netdev_priv(dev);
init_waitqueue_head(&tms_local->wait_for_tok_int);
- tms_local->dmalimit = dmalimit;
+ if (pdev->dma_mask)
+ tms_local->dmalimit = *pdev->dma_mask;
+ else
+ return -ENOMEM;
tms_local->pdev = pdev;
tms_local->dmabuffer = dma_map_single(pdev, (void *)tms_local,
sizeof(struct net_local), DMA_BIDIRECTIONAL);
- if (tms_local->dmabuffer + sizeof(struct net_local) > dmalimit)
+ if (tms_local->dmabuffer + sizeof(struct net_local) >
+ tms_local->dmalimit)
{
printk(KERN_INFO "%s: Memory not accessible for DMA\n",
dev->name);
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