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

[Corentin Labbe]

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
> 
>  .../bindings/mailbox/sunxi-msgbox.txt         |  44 +++
>  arch/arm/boot/dts/sun8i-a83t.dtsi             |  10 +
>  arch/arm/boot/dts/sun9i-a80.dtsi              |  10 +
>  arch/arm/boot/dts/sunxi-h3-h5.dtsi            |  10 +
>  arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi |  10 +
>  arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi  |  10 +
>  drivers/clk/sunxi-ng/ccu-sun50i-a64.c         |   2 +-
>  drivers/clk/sunxi-ng/ccu-sun50i-h6.c          |   2 +-
>  drivers/clk/sunxi-ng/ccu-sun8i-a23.c          |   2 +-
>  drivers/clk/sunxi-ng/ccu-sun8i-a33.c          |   2 +-
>  drivers/clk/sunxi-ng/ccu-sun8i-a83t.c         |   2 +-
>  drivers/clk/sunxi-ng/ccu-sun8i-h3.c           |   2 +-
>  drivers/clk/sunxi-ng/ccu-sun9i-a80.c          |   2 +-
>  drivers/mailbox/Kconfig                       |  11 +
>  drivers/mailbox/Makefile                      |   2 +
>  drivers/mailbox/sunxi-msgbox.c                | 315 ++++++++++++++++++
>  16 files changed, 429 insertions(+), 7 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/mailbox/sunxi-msgbox.txt
>  create mode 100644 drivers/mailbox/sunxi-msgbox.c

Hello

Appart from applying/compiling/booting, does it exists some way to test it ? check it works ?

Regards