Subject: Re: [PATCH v2 1/3] arm64: dts: imx: Add i.mx8mm dtsi support

From: Shawn Guo <[email-masked]>
Date: Fri, 22 Mar 2019 10:13:32 +0800

On Fri, Mar 22, 2019 at 01:55:45AM +0000, Jacky Bai wrote:
> > > +			gpc: gpc@303a0000 {
> > 
> > interrupt-controller for node name?
> >
> 
> For the i.MX8MM and future i.MX8M serious, it is not very necessary to use GPC as a interrupt controller
> in linux kernel side. For system suspend, ATF can config the GPC IMRs based on IRQ enable status in GICv3.
> For cpuidle support, GICv3 has per-CPU core wakeup signals connected to the GPC logic, so GICv3 has the ability
> to wake up the corresponding CPU core if the IRQ is routed to that CPU core. Additionally, I am thinking to
> config the GPC as a secure resource in the future.
> 
> Maybe, we can remove the GPC node for now. If necessary, we can add it back again?

Sounds good to me.

Shawn

_______________________________________________
linux-arm-kernel mailing list
[email-masked]
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel