[PATCH 01/10] staging: slicoss: slic.h: add a macro IOMEM_GET_FIELDADDR to fix sparse warnings

[Peng Sun]

Signed-off-by: Peng Sun <sironhide0n...@gmail.com>
---
 drivers/staging/slicoss/slic.h | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/staging/slicoss/slic.h b/drivers/staging/slicoss/slic.h
index fe1d2ce..7c23190 100644
--- a/drivers/staging/slicoss/slic.h
+++ b/drivers/staging/slicoss/slic.h
@@ -539,6 +539,13 @@ static inline void slic_flush_write(struct adapter 
*adapter)
        ioread32(adapter->regs + SLIC_REG_HOSTID);
 }
 
+#define IOMEM_GET_FIELDADDR(base, member)                              \
+({                                                                     \
+       char __iomem *_base = (char __iomem *)base;                     \
+       _base += offsetof(typeof(*base), member);                       \
+       (void __iomem *)_base;                                          \
+})
+
 #define UPDATE_STATS(largestat, newstat, oldstat)                        \
 {                                                                        \
        if ((newstat) < (oldstat))                                       \
-- 
2.7.4