diff options
| author | FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> | 2010-07-07 23:52:38 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-07-08 23:12:27 -0700 |
| commit | 122e28ebac2cc2378101d1d37a5886c3ac1f8b18 (patch) | |
| tree | a3033c47ebc31e5e5e106de2cb71a6b026bea8e0 | |
| parent | 57b2eaf7ddeae307fac202d82a6fabf5976e575b (diff) | |
cxgb3: simplify need_skb_unmap
We can use CONFIG_NEED_DMA_MAP_STATE to see if a platform does real
DMA unmapping.
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/cxgb3/sge.c | 14 |
1 files changed, 5 insertions, 9 deletions
diff --git a/drivers/net/cxgb3/sge.c b/drivers/net/cxgb3/sge.c index 5962b911b5bd..8ff96c6f6de5 100644 --- a/drivers/net/cxgb3/sge.c +++ b/drivers/net/cxgb3/sge.c @@ -203,15 +203,11 @@ static inline void refill_rspq(struct adapter *adapter, */ static inline int need_skb_unmap(void) { - /* - * This structure is used to tell if the platform needs buffer - * unmapping by checking if DECLARE_PCI_UNMAP_ADDR defines anything. - */ - struct dummy { - DEFINE_DMA_UNMAP_ADDR(addr); - }; - - return sizeof(struct dummy) != 0; +#ifdef CONFIG_NEED_DMA_MAP_STATE + return 1; +#else + return 0; +#endif } /** |