diff options
| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2019-05-14 15:43:05 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-05-14 19:52:49 -0700 |
| commit | 2c64e9cb0b6b858901e9a386860d7d929d1cbaeb (patch) | |
| tree | 749da0ef8f5d478680a523c877fb0e16fc18409c /lib/lcm.c | |
| parent | b5c56e0cdd62979dd538e5363b06be5bdf735a09 (diff) | |
lib: Move mathematic helpers to separate folder
For better maintenance and expansion move the mathematic helpers to the
separate folder.
No functional change intended.
Note, the int_sqrt() is not used as a part of lib, so, moved to regular
obj.
Link: http://lkml.kernel.org/r/20190323172531.80025-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: Lee Jones <lee.jones@linaro.org>
Cc: Daniel Thompson <daniel.thompson@linaro.org>
Cc: Ray Jui <rjui@broadcom.com>
[mchehab+samsung@kernel.org: fix broken doc references for div64.c and gcd.c]
Link: http://lkml.kernel.org/r/734f49bae5d4052b3c25691dfefad59bea2e5843.1555580999.git.mchehab+samsung@kernel.org
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'lib/lcm.c')
| -rw-r--r-- | lib/lcm.c | 25 |
1 files changed, 0 insertions, 25 deletions
diff --git a/lib/lcm.c b/lib/lcm.c deleted file mode 100644 index 03d7fcb420b5..000000000000 --- a/lib/lcm.c +++ /dev/null @@ -1,25 +0,0 @@ -#include <linux/compiler.h> -#include <linux/gcd.h> -#include <linux/export.h> -#include <linux/lcm.h> - -/* Lowest common multiple */ -unsigned long lcm(unsigned long a, unsigned long b) -{ - if (a && b) - return (a / gcd(a, b)) * b; - else - return 0; -} -EXPORT_SYMBOL_GPL(lcm); - -unsigned long lcm_not_zero(unsigned long a, unsigned long b) -{ - unsigned long l = lcm(a, b); - - if (l) - return l; - - return (b ? : a); -} -EXPORT_SYMBOL_GPL(lcm_not_zero); |