Re: [PATCH] clk: shmobile: div6: Avoid division by zero in .round_rate()

[Sergei Shtylyov]

Hello.

On 02/05/2015 01:01 AM, Mike Turquette wrote:

> > > > Anyone may call clk_round_rate() with a zero rate value, so we have to
> > > > protect against that.

> > > > Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>

> > > Acked-by: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx>

> > > I agree that this should not be fixed in the core because the fixup is
> > > really driver dependant.

> >      Dunno, zero frequency seems generally insane to me.

> It is useful to find the lowest frequency a clock can support. Basically
> it is a search for the floor frequency.

   Why not just use 1? Or are you assuming that some hardware could actually 
support 0 Hz?

> Regards,
> Mike

WBR, Sergei

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