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authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>2019-05-15 00:43:05 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2019-05-15 04:52:49 +0200
commit2c64e9cb0b6b858901e9a386860d7d929d1cbaeb (patch)
tree749da0ef8f5d478680a523c877fb0e16fc18409c /lib/lcm.c
parentlib/list_sort: optimize number of calls to comparison function (diff)
downloadlinux-2c64e9cb0b6b858901e9a386860d7d929d1cbaeb.tar.xz
linux-2c64e9cb0b6b858901e9a386860d7d929d1cbaeb.zip
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.c25
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);