Re: [PATCH] ARM: OMAP3+: DPLL: stop reparenting to same parent if already done

[Tero Kristo]

On 02/14/2014 01:13 AM, Tony Lindgren wrote:
> * Nishanth Menon <nm@xxxxxx> [140205 01:06]:
> > omap3_noncore_dpll_set_rate forces a reparent to the same clk_ref
> > for every call that takes place. This is an can be done only if a change
> > is detected.
> >
> > Signed-off-by: Nishanth Menon <nm@xxxxxx>
>
> Would like to see acks on this too before applying.

Looks good to me, ack.

-Tero

> Tony
>
> > ---
> >   arch/arm/mach-omap2/dpll3xxx.c |    2 +-
> >   1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/arch/arm/mach-omap2/dpll3xxx.c b/arch/arm/mach-omap2/dpll3xxx.c
> > index 3185ced..d9bcbf7 100644
> > --- a/arch/arm/mach-omap2/dpll3xxx.c
> > +++ b/arch/arm/mach-omap2/dpll3xxx.c
> > @@ -525,7 +525,7 @@ int omap3_noncore_dpll_set_rate(struct clk_hw *hw, unsigned long rate,
> >   	* stuff is inherited for free
> >   	*/
> >
> > -	if (!ret)
> > +	if (!ret && clk_get_parent(hw->clk) != new_parent)
> >   		__clk_reparent(hw->clk, new_parent);
> >
> >   	return 0;
> > --
> > 1.7.9.5

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