diff options
Diffstat (limited to 'arch/m68k')
| -rw-r--r-- | arch/m68k/include/uapi/asm/poll.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/arch/m68k/include/uapi/asm/poll.h b/arch/m68k/include/uapi/asm/poll.h index 99314937fe5c..d8be239e8141 100644 --- a/arch/m68k/include/uapi/asm/poll.h +++ b/arch/m68k/include/uapi/asm/poll.h @@ -2,8 +2,25 @@ #ifndef __m68k_POLL_H #define __m68k_POLL_H +#ifndef __KERNEL__ #define POLLWRNORM POLLOUT #define POLLWRBAND (__force __poll_t)256 +#else +#define __ARCH_HAS_MANGLED_POLL +static inline __u16 mangle_poll(__poll_t val) +{ + __u16 v = (__force __u16)val; + /* bit 9 -> bit 8, bit 8 -> bit 2 */ + return (v & ~0x300) | ((v & 0x200) >> 1) | ((v & 0x100) >> 6); +} + +static inline __poll_t demangle_poll(__u16 v) +{ + /* bit 8 -> bit 9, bit 2 -> bits 2 and 8 */ + return (__force __poll_t)((v & ~0x100) | ((v & 0x100) << 1) | + ((v & 4) << 6)); +} +#endif #include <asm-generic/poll.h> |