[PATCH] [RFC] ARM: imx: add smp support for imx7d

[Marek Vasut]

On 9/22/20 8:27 AM, Shawn Guo wrote:
> On Tue, Sep 22, 2020 at 2:22 PM Shawn Guo <shawnguo at kernel.org> wrote:
>>
>> On Thu, Sep 17, 2020 at 06:08:14PM +0200, Marek Vasut wrote:
>>> From: Anson Huang <b20788 at freescale.com>
>>>
>>> Add SMP support for i.MX7D, including CPU hotplug support, for
>>> systems where TFA is not present.
>>
>> These systems are not supported by upstream kernel.  Sorry.
> 
> I meant for systems without PSCI support actually.

Is there any specific reason for that ?

The SoC works fully well with mainline U-Boot and without TFA, except
the code for bringing up the second core is missing from mainline and
that is all that is missing. PSCI is unnecessary extra complexity here.