Thread (4 messages) 4 messages, 3 authors, 2016-06-21

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

From: Maxime Ripard <hidden>
Date: 2016-06-21 09:20:49
Also in: dri-devel, linux-arm-kernel, linux-clk

On Mon, Jun 20, 2016 at 01:50:30PM -0700, Michael Turquette wrote:
Quoting Maxime Ripard (2016-05-16 05:47:02)
quoted
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 <redacted>
Applied.
Thanks, but apparently you merged it in clk-next, while it should go
in clk-fixes, shouldn't it?

Maxime

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