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cxgb4vf: remove obsolete DECLARE_PCI_UNMAP_ADDR usage

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We could use DEFINE_DMA_UNMAP_ADDR instead but using
CONFIG_NEED_DMA_MAP_STATE is a simpler way 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>
This commit is contained in:
FUJITA Tomonori 2010-07-07 23:52:37 +00:00 committed by David S. Miller
parent a204b48ed4
commit 57b2eaf7dd
1 changed files with 5 additions and 9 deletions
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14
drivers/net/cxgb4vf/sge.c
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@ -228,15 +228,11 @@ static inline bool is_buf_mapped(const struct rx_sw_desc *sdesc)
*/
static inline int need_skb_unmap(void)
{
/*
* This structure is used to tell if the platfrom needs buffer
* unmapping by checking if DECLARE_PCI_UNMAP_ADDR defines anything.
*/
struct dummy {
DECLARE_PCI_UNMAP_ADDR(addr);
};
return sizeof(struct dummy) != 0;
#ifdef CONFIG_NEED_DMA_MAP_STATE
return 1;
#else
return 0;
#endif
}
/**