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| author | Takashi Iwai <tiwai@suse.de> | 2009-01-17 12:01:12 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2009-01-17 12:01:12 +0100 |
| commit | d1a020050c6ce1a0794ff73582ccf47e4db536f7 (patch) | |
| tree | 1b7250410f24703cd77c76156e758db9887137aa /include/linux/bitops.h | |
| parent | dc61b66fc724f89d357c43e2319d2cb7bec1e517 (diff) | |
| parent | 641b4879444c0edb276fedca5c2fcbd2e5c70044 (diff) | |
| download | lwn-d1a020050c6ce1a0794ff73582ccf47e4db536f7.tar.gz lwn-d1a020050c6ce1a0794ff73582ccf47e4db536f7.zip | |
Merge branch 'topic/usb-mixer-cache' into next/usb-audio
Diffstat (limited to 'include/linux/bitops.h')
| -rw-r--r-- | include/linux/bitops.h | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/include/linux/bitops.h b/include/linux/bitops.h index 024f2b027244..61829139795a 100644 --- a/include/linux/bitops.h +++ b/include/linux/bitops.h @@ -134,9 +134,20 @@ extern unsigned long find_first_bit(const unsigned long *addr, */ extern unsigned long find_first_zero_bit(const unsigned long *addr, unsigned long size); - #endif /* CONFIG_GENERIC_FIND_FIRST_BIT */ +#ifdef CONFIG_GENERIC_FIND_LAST_BIT +/** + * find_last_bit - find the last set bit in a memory region + * @addr: The address to start the search at + * @size: The maximum size to search + * + * Returns the bit number of the first set bit, or size. + */ +extern unsigned long find_last_bit(const unsigned long *addr, + unsigned long size); +#endif /* CONFIG_GENERIC_FIND_LAST_BIT */ + #ifdef CONFIG_GENERIC_FIND_NEXT_BIT /** |