commit | e802cbafcbd250a88cbd4ea7f9afb9c0d4267c7a | [log] [tgz] |
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author | Rasmus Villemoes <linux@rasmusvillemoes.dk> | Tue Oct 08 14:03:25 2019 +0200 |
committer | Lee Jones <lee.jones@linaro.org> | Mon Oct 14 08:57:45 2019 +0100 |
tree | 8525dc7336331c6b582082c14d70eb705360e20f | |
parent | efdf690e159ab340486dd6d42f387bbb8f03a579 [diff] |
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>