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authorJesper Nilsson <jesper.nilsson@axis.com>2008-01-29 10:43:05 +0100
committerJesper Nilsson <jesper.nilsson@axis.com>2008-02-08 11:06:39 +0100
commit1791f539cd441c3f7926f2c449487af2b95466a1 (patch)
treee2ac6eae7bf31074a40d279080190e9bb96c5fdf
parentb8ed6b4d833360fa7ba8635ad0c8d8bba5386e0e (diff)
downloadlinux-2.6.34-ux500-1791f539cd441c3f7926f2c449487af2b95466a1.tar.gz
CRIS v32: Minor changes to avoid errors in asm-cris/arch-v32/hwregs/reg_rdwr.h
- Add ifdef around macros to read and write hardware registers - Add parens around REG_READ expression to avoid possible precedence errors. - Remove useless CVS id tag.
-rw-r--r--include/asm-cris/arch-v32/hwregs/reg_rdwr.h10
1 files changed, 6 insertions, 4 deletions
diff --git a/include/asm-cris/arch-v32/hwregs/reg_rdwr.h b/include/asm-cris/arch-v32/hwregs/reg_rdwr.h
index 44e60233c68..236f91efe7e 100644
--- a/include/asm-cris/arch-v32/hwregs/reg_rdwr.h
+++ b/include/asm-cris/arch-v32/hwregs/reg_rdwr.h
@@ -1,15 +1,17 @@
-/* $Id: reg_rdwr.h,v 1.6 2005/04/24 18:30:58 starvik Exp $
- *
+/*
* Read/write register macros used by *_defs.h
*/
#ifndef reg_rdwr_h
#define reg_rdwr_h
+#ifndef REG_READ
+#define REG_READ(type, addr) (*((volatile type *) (addr)))
+#endif
-#define REG_READ(type, addr) *((volatile type *) (addr))
-
+#ifndef REG_WRITE
#define REG_WRITE(type, addr, val) \
do { *((volatile type *) (addr)) = (val); } while(0)
+#endif
#endif