[PATCH RESEND] clk: core: Force setting the phase delay when no change

[Stephen Boyd]

On 08/24, Jean-Francois Moine wrote:
> This patch reverts the commit 023bd7166be0595d18220dfd5c9765b3970f6ef3
> (clk: skip unnecessary set_phase if nothing to do), fixing two
> problems:
> - in some SoCs, the hardware phase delay depends on the rate ratio of
>   the clock and its parent. So, changing this ratio may imply to set
>   new hardware values, even if the logical delay is the same.
> - when the delay was the same as previously, an error was returned.
> 
> Signed-off-by: Jean-Francois Moine <moinejf at free.fr>
> ---

Applied to clk-next. We can revisit optimizing things later like
the original patch attempted, but fixing the second problem is
enough to warrant a revert for now.

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