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authorFUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>2010-07-08 03:52:37 +0400
committerDavid S. Miller <davem@davemloft.net>2010-07-09 10:12:26 +0400
commit57b2eaf7ddeae307fac202d82a6fabf5976e575b (patch)
treeca5a33d97d8ff165e7067bb39c92c7c246374d0f /drivers/net/cxgb4vf
parenta204b48ed4dc31acf61090e530430ce3272b6aab (diff)
downloadlinux-57b2eaf7ddeae307fac202d82a6fabf5976e575b.tar.xz
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>
Diffstat (limited to 'drivers/net/cxgb4vf')
-rw-r--r--drivers/net/cxgb4vf/sge.c14
1 files changed, 5 insertions, 9 deletions
diff --git a/drivers/net/cxgb4vf/sge.c b/drivers/net/cxgb4vf/sge.c
index 3a7c02f98a4d..4bc1858dc303 100644
--- a/drivers/net/cxgb4vf/sge.c
+++ b/drivers/net/cxgb4vf/sge.c
@@ -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
}
/**