linux-kernel - Re: [PATCH v11 10/12] backlight: pwm

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Date:   Tue, 24 Mar 2020 14:24:41 +0000
From:   Lee Jones <lee.jones@...aro.org>
To:     Daniel Thompson <daniel.thompson@...aro.org>
Cc:     Uwe Kleine-König 
        <u.kleine-koenig@...gutronix.de>,
        Thierry Reding <thierry.reding@...il.com>,
        Guru Das Srinagesh <gurus@...eaurora.org>,
        linux-pwm@...r.kernel.org,
        Subbaraman Narayanamurthy <subbaram@...eaurora.org>,
        linux-kernel@...r.kernel.org, Jingoo Han <jingoohan1@...il.com>,
        Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
        dri-devel@...ts.freedesktop.org, linux-fbdev@...r.kernel.org
Subject: Re: [PATCH v11 10/12] backlight: pwm_bl: Use 64-bit division function

On Tue, 24 Mar 2020, Daniel Thompson wrote:

> On Tue, Mar 24, 2020 at 01:57:35PM +0100, Uwe Kleine-König wrote:
> > Hello Lee,
> > 
> > On Tue, Mar 24, 2020 at 11:07:10AM +0000, Lee Jones wrote:
> > > 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.jones@...aro.org>
> > > > > Cc: Daniel Thompson <daniel.thompson@...aro.org>
> > > > > Cc: Jingoo Han <jingoohan1@...il.com>
> > > > > Cc: Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>
> > > > > Cc: linux-pwm@...r.kernel.org
> > > > > Cc: dri-devel@...ts.freedesktop.org
> > > > > Cc: linux-fbdev@...r.kernel.org
> > > > > 
> > > > > Signed-off-by: Guru Das Srinagesh <gurus@...eaurora.org>
> > > > > Reviewed-by: Daniel Thompson <daniel.thompson@...aro.org>
> > > > > ---
> > > > >  drivers/video/backlight/pwm_bl.c | 3 ++-
> > > > >  1 file changed, 2 insertions(+), 1 deletion(-)
> > > > 
> > > > Can this patch be taken on its own?
> > > 
> > > Hellooooo ...
> > 
> > Conceptually it can. As the last patch depends on this one (and the
> > others) some coordination might be beneficial. But that's up to Thierry
> > to decide how (and if) he want this series to be applied.
> 
> ... and on the backlight side we definitely need to know about the "if"
> otherwise there's no point in taking it.

Right.

I'm happy to wait for Thierry.  Although this isn't the only set he's
currently blocking.  Is he okay?  On holiday perhaps?

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