Message ID | 20100708185209E.fujita.tomonori@lab.ntt.co.jp |
---|---|
State | Accepted, archived |
Delegated to: | David Miller |
Headers | show |
From: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Date: Thu, 8 Jul 2010 18:52:38 +0900 > 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> Applied. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/drivers/net/cxgb3/sge.c b/drivers/net/cxgb3/sge.c index 5962b91..8ff96c6 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 } /**
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> --- drivers/net/cxgb3/sge.c | 14 +++++--------- 1 files changed, 5 insertions(+), 9 deletions(-)