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Date:   Mon, 29 Aug 2022 14:06:11 -0700
From:   Andrew Morton <akpm@linux-foundation.org>
To:     Jonathan Cameron <jic23@kernel.org>
Cc:     Dmitry Rokosov <DDRokosov@sberdevices.ru>,
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Subject: Re: [PATCH v5 2/7] units: complement the set of Hz units
Message-Id: <20220829140611.5816d090c4505740a97b8918@linux-foundation.org>
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References: <20220812165243.22177-1-ddrokosov@sberdevices.ru>
        <20220812165243.22177-3-ddrokosov@sberdevices.ru>
        <20220828165541.2cd81c97@jic23-huawei>
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On Sun, 28 Aug 2022 16:55:41 +0100 Jonathan Cameron <jic23@kernel.org> wrote:

> On Fri, 12 Aug 2022 16:52:26 +0000
> Dmitry Rokosov <DDRokosov@sberdevices.ru> wrote:
> 
> > Currently, Hz units do not have milli, micro and nano Hz coefficients.
> > Some drivers (IIO especially) use their analogues to calculate
> > appropriate Hz values. This patch includes them to units.h definitions,
> > so they can be used from different kernel places.
> > 
> > Signed-off-by: Dmitry Rokosov <ddrokosov@sberdevices.ru>
> I'm not really sure why Andrew Morton picked these up as no obviously
> dependencies outside of IIO and we have other patches under review that
> need these.
> 
> Anyhow, I see they are still in Andrew's nonmm-unstable tree, so
> assuming he won't mind me picking them up through IIO instead / as well.
> If nothing else git will sort this out when the two trees reach
> linux-next or upstream anyway.
> 
> +Cc Andrew Morton.
> 
> this and next two patches applied to the togreg branch of iio.git.
> I'll push that out as testing for 0-day to do it's sanity checks then
> it'll go out as iio.git / togreg and get picked up by linux-next.
> 
> Thanks,
> 
> Jonathan
> 
> > ---
> >  include/linux/units.h | 3 +++
> >  1 file changed, 3 insertions(+)
> > 
> > diff --git a/include/linux/units.h b/include/linux/units.h
> > index 681fc652e3d7..2793a41e73a2 100644
> > --- a/include/linux/units.h
> > +++ b/include/linux/units.h
> > @@ -20,6 +20,9 @@
> >  #define PICO	1000000000000ULL
> >  #define FEMTO	1000000000000000ULL
> >  
> > +#define NANOHZ_PER_HZ		1000000000UL
> > +#define MICROHZ_PER_HZ		1000000UL
> > +#define MILLIHZ_PER_HZ		1000UL
> >  #define HZ_PER_KHZ		1000UL
> >  #define KHZ_PER_MHZ		1000UL
> >  #define HZ_PER_MHZ		1000000UL