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| author | Jesper Nilsson <jesper.nilsson@axis.com> | 2008-01-29 10:43:05 +0100 |
|---|---|---|
| committer | Jesper Nilsson <jesper.nilsson@axis.com> | 2008-02-08 11:06:39 +0100 |
| commit | 1791f539cd441c3f7926f2c449487af2b95466a1 (patch) | |
| tree | e2ac6eae7bf31074a40d279080190e9bb96c5fdf /include/asm-cris | |
| parent | b8ed6b4d833360fa7ba8635ad0c8d8bba5386e0e (diff) | |
| download | lwn-1791f539cd441c3f7926f2c449487af2b95466a1.tar.gz lwn-1791f539cd441c3f7926f2c449487af2b95466a1.zip | |
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.
Diffstat (limited to 'include/asm-cris')
| -rw-r--r-- | include/asm-cris/arch-v32/hwregs/reg_rdwr.h | 10 |
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 44e60233c68f..236f91efe7e8 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 |