Re: [PATCH v2 00/10] Allwinner sunxi message box support

Maxime Ripard
2019-03-01T14:47:14Z

[-- Attachment #1.1: Type: text/plain, Size: 1764 bytes --]

Hi

On Thu, Feb 28, 2019 at 11:29:37PM -0600, Samuel Holland wrote:
> This series adds support for the "hardware message box" in sun8i, sun9i,
> and sun50i SoCs, used for communication with the ARISC management
> processor (the platform's equivalent of the ARM SCP). The end goal is to
> use the arm_scpi driver as a client, communicating with firmware running
> on the ARISC CPU, or to use the mailbox to forward NMIs that the
> firmware picks up from R_INTC.
>
> Changes from v1:
> - Marked message box clocks as critical instead of hacks in the driver
> - 8 unidirectional channels instead of 4 bidirectional pairs
> - Use per-SoC compatible strings and an A31 fallback compatible
> - Dropped the mailbox framework patch
> - Include DT patches for SoCs that document the message box
>
> Samuel Holland (10):
> clk: sunxi-ng: sun8i: Mark the msgbox clock as critical
> clk: sunxi-ng: sun9i: Mark the msgbox clock as critical
> clk: sunxi-ng: sun50i: Mark the msgbox clock as critical
> dt-bindings: mailbox: Add a sunxi message box binding
> mailbox: sunxi-msgbox: Add a new mailbox driver
> ARM: dts: sunxi: a80: Add msgbox node
> ARM: dts: sunxi: a83t: Add msgbox node
> ARM: dts: sunxi: h3/h5: Add msgbox node
> arm64: dts: allwinner: a64: Add msgbox node
> arm64: dts: allwinner: h6: Add msgbox node

It looks good to me but a few things:

- There's no reason to split the first three patches, so they should
all be merged

- You might consider using a YAML schemas for your DT bindings
documentation. That will bring a more formal descriptiion and DT
validation.

Thanks!
Maxime

--
Maxime Ripard, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com

[-- Attachment #1.2: signature.asc --]
[-- Type: application/pgp-signature, Size: 228 bytes --]

[-- Attachment #2: Type: text/plain, Size: 176 bytes --]