From: Geert Uytterhoeven <geert@linux-m68k.org>
To: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>,
Andrew Morton <akpm@linux-foundation.org>
Cc: Simon Horman <horms+renesas@verge.net.au>,
Geert Uytterhoeven <geert+renesas@glider.be>,
Magnus Damm <magnus.damm@gmail.com>,
Linux-Renesas <linux-renesas-soc@vger.kernel.org>,
linux-clk <linux-clk@vger.kernel.org>,
Fabrizio Castro <fabrizio.castro@bp.renesas.com>,
Biju Das <biju.das@bp.renesas.com>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v5 3/6] math64: New DIV64_U64_ROUND_CLOSEST helper
Date: Mon, 11 Feb 2019 16:44:37 +0100 [thread overview]
Message-ID: <CAMuHMdV_tcsOZCBRWxbRwdfBeeh1-MJSNqw4U6YLnjOznLUQnA@mail.gmail.com> (raw)
In-Reply-To: <0b9e3ba7-2b84-7621-78f9-9b22cb4f2bd6@cogentembedded.com>
On Mon, Feb 11, 2019 at 4:22 PM Sergei Shtylyov
<sergei.shtylyov@cogentembedded.com> wrote:
> On 02/11/2019 04:58 PM, Simon Horman wrote:
> > Provide DIV64_U64_ROUND_CLOSEST helper which performs division rounded to
> > the closes integer using an unsigned 64bit dividend and divisor.
>
> Closest?
>
> > This will be used in a follow-up patch to allow calculation of clock
> > divisors with high frequency parents in the R-Car Gen3 CPG MSSR driver
> > where ovefolow occurs if either the dividend or divisor is 32bit.
overflow
> > Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
With the above fixed:
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Note that I can fix the above while applying to my clk-renesas branch.
Andrew: an Acked-by would be appreciated.
Thanks!
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
next prev parent reply other threads:[~2019-02-11 15:44 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-02-11 13:58 [PATCH v5 0/6] clk: renesas: r8a77990, r8a774c0: Add Z2 clock Simon Horman
2019-02-11 13:58 ` [PATCH v5 1/6] clk: renesas: rcar-gen3: Parameterise Z and Z2 clock fixed divisor Simon Horman
2019-02-11 13:58 ` [PATCH v5 2/6] clk: renesas: rcar-gen3: Parameterise Z and Z2 clock offset Simon Horman
2019-02-11 13:58 ` [PATCH v5 3/6] math64: New DIV64_U64_ROUND_CLOSEST helper Simon Horman
2019-02-11 15:22 ` Sergei Shtylyov
2019-02-11 15:44 ` Geert Uytterhoeven [this message]
2019-02-11 13:58 ` [PATCH v5 4/6] clk: renesas: rcar-gen3: Support Z and Z2 clocks with high frequency parents Simon Horman
2019-02-11 13:58 ` [PATCH v5 5/6] clk: renesas: r8a77990: Add Z2 clock Simon Horman
2019-02-11 13:58 ` [PATCH v5 6/6] clk: renesas: r8a774c0: " Simon Horman
2019-02-15 13:17 ` Simon Horman
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