Messages in this thread | | | Date | Thu, 21 Jan 2021 13:22:37 +0000 | From | Marc Zyngier <> | Subject | Re: [RFC PATCH 7/7] irqchip/apple-aic: add SMP support to the Apple AIC driver. |
| |
On 2021-01-21 12:50, Mohamed Mediouni wrote: >> On 21 Jan 2021, at 13:44, Arnd Bergmann <arnd@kernel.org> wrote: >> >> On Wed, Jan 20, 2021 at 2:27 PM Mohamed Mediouni
[...]
>>> + aic.fast_ipi = of_property_read_bool(node, "fast-ipi"); >> >> Where is this property documented, and what decides which one to use? > It’s getting documented in the next patch set. > > This property is there to enable support for older iPhone processors > later on, some of which do not have fast IPI support. > > On Apple M1, fast-ipi is always on.
Then please focus on a single implementation. Additional features can always be merged later once something is up and running.
Also, there sysregs can be detected by matching the MIDR, so I don't think we need a DT property for that.
Thanks,
M. -- Jazz is not dead. It just smells funny...
| |