[PATCH Resend] arm: at91: fix NAND bus width decoding from system_rev

Make it safe to assign the return value of this function
to u8/u16 variables.

Signed-off-by: Christian Hitz <redacted>
Cc: Andrew Victor <redacted>
Cc: Nicolas Ferre <redacted>
Cc: Jean-Christophe Plagniol-Villard <redacted>
---
  arch/arm/mach-at91/include/mach/system_rev.h |    2 +-
  1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/arch/arm/mach-at91/include/mach/system_rev.h 

b/arch/arm/mach-at91/include/mach/system_rev.h
index 8f48660..ec164a4 100644

--- a/arch/arm/mach-at91/include/mach/system_rev.h
+++ b/arch/arm/mach-at91/include/mach/system_rev.h

@@ -19,7 +19,7 @@
  #define BOARD_HAVE_NAND_16BIT	(1 << 31)
  static inline int board_have_nand_16bit(void)
  {
-	return system_rev & BOARD_HAVE_NAND_16BIT;
+	return (system_rev & BOARD_HAVE_NAND_16BIT) ? 1 : 0;
  }
   #endif /* __ARCH_SYSTEM_REV_H__ */

-- 
1.7.4.1