On Thu, Mar 27, 2025, at 10:31, Peter Chen wrote:

On 25-03-27 09:18:42, Arnd Bergmann wrote:

quoted

Agreed. The usual arrangement for a new SoC family is to have
the minimum set of drivers (uart, clk, pinctrl, regulator,
iommu, irqchip) along with the DT bindings and the dts files
in one branch and have that go through the SoC tree as part of
the soc/newsoc branch. It sounds like in this case we only need
uart and a mailbox since the rest are shared with existing
firmware based drivers, so this isn't even the worst case
but still requires some coordination between subsystem maintainers
to ensure that all patches have been properly reviewed before
I merge them.

So, in this case, we should add mailbox driver support in this
series, and once the mailbox maintainer has reviewed mailbox
driver, all the patches could go your tree?

Yes, exactly. Just make sure you describe this in the submission
for the mailbox driver to make sure everyone understands the
plan. I don't think we've had a mailbox driver as the critical
path for a new platform before, so they would usually go through
the mailbox subsystem tree.

     Arnd