From mboxrd@z Thu Jan  1 00:00:00 1970
From: Wolfram Sang <wsa@the-dreams.de>
Subject: Re: [RFC 5/9] i2c: rcar: honor additional i2c timings from DT
Date: Thu, 3 Dec 2015 11:59:00 +0100
Message-ID: <20151203105900.GC1545@katana>
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To: Geert Uytterhoeven <geert@linux-m68k.org>
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Hi Geert,

> > -       round =3D (ick + 500000) / 1000000 * 285;
> > +       sum =3D t->scl_fall_ns + t->scl_rise_ns + t->scl_int_delay_ns;
> > +       round =3D (ick + 500000) / 1000000 * sum;
>=20
> If you're sure it cannot overflow, doing the "* sum" before the division
> improves accuracy.

Thanks for the input. In this patch, however, I intentionally did not
change the formula but only replaced the constants with the now user
supplied values. Everything else should be a separate patch IMO.


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