On Tue, 08 Oct 2019, Rasmus Villemoes wrote: > For a fixed small exponent of 3, it is more efficient to simply use > two explicit multiplications rather than calling the int_pow() library > function: Aside from the function call overhead, its implementation > using repeated squaring means it ends up doing four 64x64 > multiplications. > > Reviewed-by: Daniel Thompson <daniel.thompson@xxxxxxxxxx> > Signed-off-by: Rasmus Villemoes <linux@xxxxxxxxxxxxxxxxxx> > --- > drivers/video/backlight/pwm_bl.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) Applied, thanks. -- Lee Jones [李琼斯] Linaro Services Technical Lead Linaro.org │ Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog
