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cxgb4vf: remove obsolete DECLARE_PCI_UNMAP_ADDR usage
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>
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@ -228,15 +228,11 @@ static inline bool is_buf_mapped(const struct rx_sw_desc *sdesc)
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*/
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static inline int need_skb_unmap(void)
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{
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/*
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* This structure is used to tell if the platfrom needs buffer
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* unmapping by checking if DECLARE_PCI_UNMAP_ADDR defines anything.
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*/
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struct dummy {
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DECLARE_PCI_UNMAP_ADDR(addr);
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};
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return sizeof(struct dummy) != 0;
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#ifdef CONFIG_NEED_DMA_MAP_STATE
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return 1;
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#else
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return 0;
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#endif
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}
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/**
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