On Mon, Feb 19, 2018 at 09:18:31AM +0100, Mylène Josserand wrote:
> Add the support for A83T.
> A83T SoC has an additional register than A80 to handle CPU configurations:
> R_CPUS_CFG. Information about the register comes from Allwinner's BSP
> driver.
> An important difference is the Power Off Gating register for clusters
> which is BIT(4) in case of SUN9I-A80 and BIT(0) in case of SUN8I-A83T.
> Signed-off-by: Mylène Josserand <mylene.josser...@bootlin.com>

This is some high-level review, but you should split this patch in
  - One to refactor the current code to split the DT parsing function
    (and rename the function to sun9i_smp_dt_parse) and the variable renames
  - One to enable the A83t SMP (with the function called 
  - One to enable the A83t hotplug (merged with your last patch)

Also, you're calling a lot of times of_machine_is_compatible, and this
is quite inefficient. You should call it once and store the result.


Maxime Ripard, Bootlin (formerly Free Electrons)
Embedded Linux and Kernel engineering

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