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| author | Rasmus Villemoes <linux@rasmusvillemoes.dk> | 2019-10-08 14:03:25 +0200 |
|---|---|---|
| committer | Lee Jones <lee.jones@linaro.org> | 2019-10-14 08:57:45 +0100 |
| commit | e802cbafcbd250a88cbd4ea7f9afb9c0d4267c7a (patch) | |
| tree | 8525dc7336331c6b582082c14d70eb705360e20f /Documentation/spi | |
| parent | efdf690e159ab340486dd6d42f387bbb8f03a579 (diff) | |
| download | linux-e802cbafcbd250a88cbd4ea7f9afb9c0d4267c7a.tar.gz linux-e802cbafcbd250a88cbd4ea7f9afb9c0d4267c7a.tar.bz2 linux-e802cbafcbd250a88cbd4ea7f9afb9c0d4267c7a.zip | |
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>
Diffstat (limited to 'Documentation/spi')
0 files changed, 0 insertions, 0 deletions