diff options
| author |   Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2019-05-14 15:43:08 -0700 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2019-05-14 19:52:49 -0700 |
| commit | 9f6158946987a5ce3f16da097d18f240a89db417 (patch) | |
| tree | c232e7df2397d4186b39a1a4de9bb2534a60170f /include/linux/kernel.h | |
| parent | lib: Move mathematic helpers to separate folder (diff) | |
| download | linux-dev-9f6158946987a5ce3f16da097d18f240a89db417.tar.xz linux-dev-9f6158946987a5ce3f16da097d18f240a89db417.zip | |
lib/math: move int_pow() from pwm_bl.c for wider use
The integer exponentiation is used in few places and might be used in
the future by other call sites. Move it to wider use.
Link: http://lkml.kernel.org/r/20190323172531.80025-2-andriy.shevchenko@linux.intel.com
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Daniel Thompson <daniel.thompson@linaro.org>
Cc: Lee Jones <lee.jones@linaro.org>
Cc: Ray Jui <rjui@broadcom.com>
Cc: Thierry Reding <thierry.reding@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/kernel.h')
| -rw-r--r-- | include/linux/kernel.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/kernel.h b/include/linux/kernel.h index a3b59d143afb..74b1ee9027f5 100644 --- a/include/linux/kernel.h +++ b/include/linux/kernel.h @@ -484,6 +484,7 @@ extern int __kernel_text_address(unsigned long addr); extern int kernel_text_address(unsigned long addr); extern int func_ptr_is_kernel_text(void *ptr); +u64 int_pow(u64 base, unsigned int exp); unsigned long int_sqrt(unsigned long); #if BITS_PER_LONG < 64 |