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| author | Tony Lindgren <tony@atomide.com> | 2020-04-21 09:36:03 -0700 |
|---|---|---|
| committer | Tony Lindgren <tony@atomide.com> | 2020-04-21 09:36:03 -0700 |
| commit | 175ae3ad59ab3459652bd2ae3bbc1785aeba1bf3 (patch) | |
| tree | c7fd682de61e3c2a6cc3ba0e8881b99fafdf969c /include/linux/tnum.h | |
| parent | 07bdc492cff6f555538df95e9812fe72e16d154a (diff) | |
| parent | 90d4d3f4ea45370d482fa609dbae4d2281b4074f (diff) | |
Merge branch 'fixes-v5.7' into fixes
Diffstat (limited to 'include/linux/tnum.h')
| -rw-r--r-- | include/linux/tnum.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/tnum.h b/include/linux/tnum.h index ea627d1ab7e3..498dbcedb451 100644 --- a/include/linux/tnum.h +++ b/include/linux/tnum.h @@ -86,4 +86,16 @@ int tnum_strn(char *str, size_t size, struct tnum a); /* Format a tnum as tristate binary expansion */ int tnum_sbin(char *str, size_t size, struct tnum a); +/* Returns the 32-bit subreg */ +struct tnum tnum_subreg(struct tnum a); +/* Returns the tnum with the lower 32-bit subreg cleared */ +struct tnum tnum_clear_subreg(struct tnum a); +/* Returns the tnum with the lower 32-bit subreg set to value */ +struct tnum tnum_const_subreg(struct tnum a, u32 value); +/* Returns true if 32-bit subreg @a is a known constant*/ +static inline bool tnum_subreg_is_const(struct tnum a) +{ + return !(tnum_subreg(a)).mask; +} + #endif /* _LINUX_TNUM_H */ |