diff options
| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2012-10-30 00:20:56 -0700 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2012-10-30 00:20:56 -0700 |
| commit | 53279f36dccffc26ff536003fd6bb97cc21c3b82 (patch) | |
| tree | 9d16e497c0e4158c7c054c479bd0e9ff0388d7bb /include/uapi/linux/const.h | |
| parent | a6e8c0a25377e27958b11b20e1927885ae7c9857 (diff) | |
| parent | 8f0d8163b50e01f398b14bcd4dc039ac5ab18d64 (diff) | |
| download | cachepc-linux-53279f36dccffc26ff536003fd6bb97cc21c3b82.tar.gz cachepc-linux-53279f36dccffc26ff536003fd6bb97cc21c3b82.zip | |
Merge tag 'v3.7-rc3' into next to sync up with recent USB and MFD changes
Diffstat (limited to 'include/uapi/linux/const.h')
| -rw-r--r-- | include/uapi/linux/const.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/include/uapi/linux/const.h b/include/uapi/linux/const.h new file mode 100644 index 000000000000..c22c707c455d --- /dev/null +++ b/include/uapi/linux/const.h @@ -0,0 +1,24 @@ +/* const.h: Macros for dealing with constants. */ + +#ifndef _LINUX_CONST_H +#define _LINUX_CONST_H + +/* Some constant macros are used in both assembler and + * C code. Therefore we cannot annotate them always with + * 'UL' and other type specifiers unilaterally. We + * use the following macros to deal with this. + * + * Similarly, _AT() will cast an expression with a type in C, but + * leave it unchanged in asm. + */ + +#ifdef __ASSEMBLY__ +#define _AC(X,Y) X +#define _AT(T,X) X +#else +#define __AC(X,Y) (X##Y) +#define _AC(X,Y) __AC(X,Y) +#define _AT(T,X) ((T)(X)) +#endif + +#endif /* !(_LINUX_CONST_H) */ |