[PATCH 02/20] clk: multiplier: Prevent the multiplier from under / over flowing

Maxime Ripard
2016-06-10T12:31:38Z

Hi Mike, Stephen,

On Mon, May 16, 2016 at 02:47:02PM +0200, Maxime Ripard wrote:
> In the current multiplier base clock implementation, if the
> CLK_SET_RATE_PARENT flag isn't set, the code will not make sure that the
> multiplier computed remains within the boundaries of our clock.
>
> This means that if the clock we want to reach is below the parent rate,
> or if the multiplier is above the maximum that we can reach, we will end up
> with a completely bogus one that the clock cannot achieve.
>
> Fixes: f2e0a53271a4 ("clk: Add a basic multiplier clock")
> Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>

Any comments?

Thanks!
Maxime

--
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
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