On Fri, 20 Mar 2020, Lee Jones wrote:

> On Thu, 19 Mar 2020, Guru Das Srinagesh wrote:
> 
> > Since the PWM framework is switching struct pwm_state.period's datatype
> > to u64, prepare for this transition by using div_u64 to handle a 64-bit
> > dividend instead of a straight division operation.
> > 
> > Cc: Lee Jones <lee.jo...@linaro.org>
> > Cc: Daniel Thompson <daniel.thomp...@linaro.org>
> > Cc: Jingoo Han <jingooh...@gmail.com>
> > Cc: Bartlomiej Zolnierkiewicz <b.zolnier...@samsung.com>
> > Cc: linux-...@vger.kernel.org
> > Cc: dri-devel@lists.freedesktop.org
> > Cc: linux-fb...@vger.kernel.org
> > 
> > Signed-off-by: Guru Das Srinagesh <gu...@codeaurora.org>
> > Reviewed-by: Daniel Thompson <daniel.thomp...@linaro.org>
> > ---
> >  drivers/video/backlight/pwm_bl.c | 3 ++-
> >  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> Can this patch be taken on its own?

Hellooooo ...

> > diff --git a/drivers/video/backlight/pwm_bl.c 
> > b/drivers/video/backlight/pwm_bl.c
> > index efb4efc..3e5dbcf 100644
> > --- a/drivers/video/backlight/pwm_bl.c
> > +++ b/drivers/video/backlight/pwm_bl.c
> > @@ -625,7 +625,8 @@ static int pwm_backlight_probe(struct platform_device 
> > *pdev)
> >             pb->scale = data->max_brightness;
> >     }
> >  
> > -   pb->lth_brightness = data->lth_brightness * (state.period / pb->scale);
> > +   pb->lth_brightness = data->lth_brightness * (div_u64(state.period,
> > +                           pb->scale));
> >  
> >     props.type = BACKLIGHT_RAW;
> >     props.max_brightness = data->max_brightness;
> 

-- 
Lee Jones [李琼斯]
Linaro Services Technical Lead
Linaro.org │ Open source software for ARM SoCs
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