On Tue, 08 Oct 2019, Rasmus Villemoes wrote:
> 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().
>
> Reviewed-by: Daniel Thompson
> Signed-off-by: Rasmus Villemoes
> ---
>
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().
Reviewed-by: Daniel Thompson
Signed-off-by: Rasmus Villemoes
---
drivers/video/backlight/pwm_bl.c | 2 +-
1 file changed, 1 insertion(+), 1