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authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>2019-05-15 01:43:08 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2019-05-15 05:52:49 +0300
commit9f6158946987a5ce3f16da097d18f240a89db417 (patch)
treec232e7df2397d4186b39a1a4de9bb2534a60170f /include/linux
parent2c64e9cb0b6b858901e9a386860d7d929d1cbaeb (diff)
downloadlinux-9f6158946987a5ce3f16da097d18f240a89db417.tar.xz
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')
-rw-r--r--include/linux/kernel.h1
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