提交 b59a52f1 编写于 作者: P Pavel Roskin 提交者: John W. Linville

rt2x00: use correct headroom for transmission

Use rt2x00dev->ops->extra_tx_headroom, not rt2x00dev->hw->extra_tx_headroom
in the tx code, as the later may include other headroom not to be used in
the chipset driver.
Signed-off-by: NPavel Roskin <proski@gnu.org>
Signed-off-by: NGertjan van Wingerde <gwingerde@gmail.com>
Acked-by: NIvo van Doorn <IvDoorn@gmail.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>
上级 e12822e1
......@@ -104,7 +104,7 @@ void rt2x00queue_map_txskb(struct rt2x00_dev *rt2x00dev, struct sk_buff *skb)
* is also mapped to the DMA so it can be used for transfering
* additional descriptor information to the hardware.
*/
skb_push(skb, rt2x00dev->hw->extra_tx_headroom);
skb_push(skb, rt2x00dev->ops->extra_tx_headroom);
skbdesc->skb_dma =
dma_map_single(rt2x00dev->dev, skb->data, skb->len, DMA_TO_DEVICE);
......@@ -112,7 +112,7 @@ void rt2x00queue_map_txskb(struct rt2x00_dev *rt2x00dev, struct sk_buff *skb)
/*
* Restore data pointer to original location again.
*/
skb_pull(skb, rt2x00dev->hw->extra_tx_headroom);
skb_pull(skb, rt2x00dev->ops->extra_tx_headroom);
skbdesc->flags |= SKBDESC_DMA_MAPPED_TX;
}
......@@ -134,7 +134,7 @@ void rt2x00queue_unmap_skb(struct rt2x00_dev *rt2x00dev, struct sk_buff *skb)
* by the driver, but it was actually mapped to DMA.
*/
dma_unmap_single(rt2x00dev->dev, skbdesc->skb_dma,
skb->len + rt2x00dev->hw->extra_tx_headroom,
skb->len + rt2x00dev->ops->extra_tx_headroom,
DMA_TO_DEVICE);
skbdesc->flags &= ~SKBDESC_DMA_MAPPED_TX;
}
......
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