linux-kernel - [PATCH] h8300: add missing L1_CACHE

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Message-ID: <20121104021539.GA12616@localhost>
Date:	Sun, 4 Nov 2012 10:15:39 +0800
From:	Fengguang Wu <fengguang.wu@...el.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Yoshinori Sato <ysato@...rs.sourceforge.jp>,
	LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH] h8300: add missing L1_CACHE_SHIFT

To fix build error

lib/atomic64.c: In function 'lock_addr':
lib/atomic64.c:40:11: error: 'L1_CACHE_SHIFT' undeclared (first use in this function)
lib/atomic64.c:40:11: note: each undeclared identifier is reported only once for each function it appears in

Signed-off-by: Fengguang Wu <fengguang.wu@...el.com>
---
 arch/h8300/include/asm/cache.h |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

--- linux-next.orig/arch/h8300/include/asm/cache.h	2012-11-04 09:52:43.852745306 +0800
+++ linux-next/arch/h8300/include/asm/cache.h	2012-11-04 09:53:09.652745920 +0800
@@ -2,7 +2,8 @@
 #define __ARCH_H8300_CACHE_H
 
 /* bytes per L1 cache line */
-#define        L1_CACHE_BYTES  4
+#define        L1_CACHE_SHIFT  2
+#define        L1_CACHE_BYTES  (1 << L1_CACHE_SHIFT)
 
 /* m68k-elf-gcc  2.95.2 doesn't like these */
 
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