tree 8525dc7336331c6b582082c14d70eb705360e20f
parent efdf690e159ab340486dd6d42f387bbb8f03a579
author Rasmus Villemoes <linux@rasmusvillemoes.dk> 1570536205 +0200
committer Lee Jones <lee.jones@linaro.org> 1571039865 +0100

backlight: pwm_bl: Eliminate a 64/32 division

lightness*1000 is nowhere near overflowing 32 bits, so we can just use
an ordinary 32/32 division, which is much cheaper than the 64/32 done
via do_div().

Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>