Re: [PATCH v12 09/11] backlight: pwm_bl: Use 64-bit division function

From: Guru Das Srinagesh
Date: Thu Apr 16 2020 - 13:55:58 EST


On Thu, Apr 16, 2020 at 10:44:20AM +0100, Lee Jones wrote:
> On Wed, 08 Apr 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.jones@xxxxxxxxxx>
> > Cc: Daniel Thompson <daniel.thompson@xxxxxxxxxx>
> > Cc: Jingoo Han <jingoohan1@xxxxxxxxx>
> > Cc: Bartlomiej Zolnierkiewicz <b.zolnierkie@xxxxxxxxxxx>
> > Cc: linux-pwm@xxxxxxxxxxxxxxx
> > Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx
> > Cc: linux-fbdev@xxxxxxxxxxxxxxx
> >
> > Signed-off-by: Guru Das Srinagesh <gurus@xxxxxxxxxxxxxx>
> > Reviewed-by: Daniel Thompson <daniel.thompson@xxxxxxxxxx>
> > ---
> > drivers/video/backlight/pwm_bl.c | 3 ++-
> > 1 file changed, 2 insertions(+), 1 deletion(-)
>
> I see that this is part of a large set, but the remainder of the
> patches have been hidden from me.

Sorry about that, the full series is here: [1].

> Does this mean I can apply this patch on its own?

I'll defer to Uwe on this point as I am not sure of the implications of
taking in this single patch and not the entire series.

Thank you.

Guru Das.

[1] https://www.spinics.net/lists/linux-pwm/msg12131.html