IB/qib: Fix checkpatch warnings

Signed-off-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
diff --git a/drivers/infiniband/hw/qib/qib.h b/drivers/infiniband/hw/qib/qib.h
index b218254..ffd48bf 100644
--- a/drivers/infiniband/hw/qib/qib.h
+++ b/drivers/infiniband/hw/qib/qib.h
@@ -1460,11 +1460,14 @@
  * Flush write combining store buffers (if present) and perform a write
  * barrier.
  */
+static inline void qib_flush_wc(void)
+{
 #if defined(CONFIG_X86_64)
-#define qib_flush_wc() asm volatile("sfence" : : : "memory")
+	asm volatile("sfence" : : : "memory");
 #else
-#define qib_flush_wc() wmb() /* no reorder around wc flush */
+	wmb(); /* no reorder around wc flush */
 #endif
+}
 
 /* global module parameter variables */
 extern unsigned qib_ibmtu;