From: WANG Cong <xiyou.wangcong@gmail.com>
Date: Tue, 26 Jul 2011 00:11:54 +0000 (-0700)
Subject: xtensa: fix a build error in arch/xtensa/include/asm/uaccess.h
X-Git-Tag: firefly_0821_release~3680^2~4933^2~115
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=90b03f5052be92ab0ba0aa36abcf33a207706866;p=firefly-linux-kernel-4.4.55.git

xtensa: fix a build error in arch/xtensa/include/asm/uaccess.h

Fix the following build error:

  arch/xtensa/include/asm/uaccess.h:403: error: implicit declaration of function 'prefetch'
  arch/xtensa/include/asm/uaccess.h:412: error: implicit declaration of function 'prefetchw'

Signed-off-by: WANG Cong <xiyou.wangcong@gmail.com>
Cc: Chris Zankel <chris@zankel.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/arch/xtensa/include/asm/uaccess.h b/arch/xtensa/include/asm/uaccess.h
index 5b0c18c1cce1..c141b115d3be 100644
--- a/arch/xtensa/include/asm/uaccess.h
+++ b/arch/xtensa/include/asm/uaccess.h
@@ -17,6 +17,7 @@
 #define _XTENSA_UACCESS_H
 
 #include <linux/errno.h>
+#include <linux/prefetch.h>
 
 #define VERIFY_READ    0
 #define VERIFY_WRITE   1