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authorFUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>2010-07-07 23:52:38 +0000
committerDavid S. Miller <davem@davemloft.net>2010-07-08 23:12:27 -0700
commit122e28ebac2cc2378101d1d37a5886c3ac1f8b18 (patch)
treea3033c47ebc31e5e5e106de2cb71a6b026bea8e0 /drivers/net/cxgb3
parent57b2eaf7ddeae307fac202d82a6fabf5976e575b (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>
Diffstat (limited to 'drivers/net/cxgb3')
-rw-r--r--drivers/net/cxgb3/sge.c14
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
}
/**

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