Commit 122e28eb authored by FUJITA Tomonori's avatar FUJITA Tomonori Committed by David S. Miller
Browse files

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: default avatarFUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 57b2eaf7

drivers/net/cxgb3/sge.c

+5 −9
Original line number Diff line number Diff line
@@ -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

}



/**