arch/tile: properly export __mb_incoherent for modules

Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>

1 files changed, 4 insertions, 1 deletions

diff --git a/arch/tile/include/asm/system.h b/arch/tile/include/asm/system.h
index f749be327ce0..96779c805902 100644
--- a/arch/tile/include/asm/system.h
+++ b/arch/tile/include/asm/system.h
@@ -89,6 +89,10 @@
 #define get_cycles_low() __insn_mfspr(SPR_CYCLE)   /* just get all 64 bits */
 #endif
 
+#if !CHIP_HAS_MF_WAITS_FOR_VICTIMS()
+int __mb_incoherent(void);  /* Helper routine for mb_incoherent(). */
+#endif
+
 /* Fence to guarantee visibility of stores to incoherent memory. */
 static inline void
 mb_incoherent(void)
@@ -97,7 +101,6 @@ mb_incoherent(void)
 
 #if !CHIP_HAS_MF_WAITS_FOR_VICTIMS()
         {
-                int __mb_incoherent(void);
 #if CHIP_HAS_TILE_WRITE_PENDING()
                 const unsigned long WRITE_TIMEOUT_CYCLES = 400;
                 unsigned long start = get_cycles_low();