Re: [PATCH v5] ARM: mvebu: use dt_fixup to provide fallback for enable-method

[Olof Johansson]

On Fri, Sep 21, 2018 at 12:05:48PM +0200, Gregory CLEMENT wrote:
> Hi Chris,
>  
>  On jeu., juil. 26 2018, Chris Packham <chris.packham@xxxxxxxxxxxxxxxxxxx> wrote:
> 
> > We need to maintain backwards compatibility with device trees that don't
> > define an enable method. At the same time we want the device tree to be
> > able to specify an enable-method and have it stick.
> >
> > Previously by having smp assigned in the DT_MACHINE definition this
> > would be picked up by setup_arch() and override whatever
> > arm_dt_init_cpu_maps() had configured. Now we move the initial
> > assignment of default smp_ops to a dt_fixup and let
> > arm_dt_init_cpu_maps() override that if the device tree defines an
> > enable-method.
> >
> > Signed-off-by: Chris Packham <chris.packham@xxxxxxxxxxxxxxxxxxx>
> 
> I made several tests on an Armada XP based board: OpenBlock AX3: I
> modify the enable-method in the decvice tree, and I confirm that without
> your patch it is not taken into account whereas with this patch the
> enable-method is applied form the device tree. I also didn't see any
> regression with the original dtb.
> 
> So I added my:
> Tested-by: Gregory CLEMENT <gregory.clement@xxxxxxxxxxx>
> 
> and applied on mvebu/soc

Hi,

Looks like this broke non-SMP. Not a huge deal, but please apply this as
closely as possible on top of the previous patch (or squash it in).


- 8< - 8< - 8< - 8< - 8< - 8< - 8< - 8< - 8< - 8< - 8< - 8< - 8< - 8< -