linux-kernel - Re: [PATCH 0/7] powerpc/85xx: p2020: Create one unified machine description

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Message-ID: <20221204105448.twotgo4rjd4uk32x@pali>
Date:   Sun, 4 Dec 2022 11:54:48 +0100
From:   Pali Rohár <pali@...nel.org>
To:     Christophe Leroy <christophe.leroy@...roup.eu>
Cc:     Michael Ellerman <mpe@...erman.id.au>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Scott Wood <oss@...error.net>, Sinan Akman <sinan@...teme.com>,
        linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/7] powerpc/85xx: p2020: Create one unified machine
 description

On Friday 19 August 2022 21:15:50 Pali Rohár wrote:
> This patch series unifies all P2020 boards and machine descriptions into
> one generic unified P2020 machine description. With this generic machine
> description, kernel can boot on any P2020-based board with correct DTS
> file.
> 
> Tested on CZ.NIC Turris 1.1 board with has Freescale P2020 processor.
> Kernel during booting correctly detects P2020 and prints:
> [    0.000000] Using Freescale P2020 machine description
> 
> Pali Rohár (7):
>   powerpc/85xx: Mark mpc85xx_rdb_pic_init() as static
>   powerpc/85xx: Mark mpc85xx_ds_pic_init() as static
>   powerpc/85xx: p2020: Move all P2020 machine descriptions to p2020.c
>   powerpc/85xx: p2020: Unify .setup_arch and .init_IRQ callbacks
>   powerpc/85xx: p2020: Define just one machine description
>   powerpc/85xx: p2020: Enable boards by new config option CONFIG_P2020
>   powerpc: dts: turris1x.dts: Remove "fsl,P2020RDB-PC" compatible string

Christophe, could you please summarize for me what is needed to change /
fix / adjust in this patch series? We had discussion about all patches
in this thread but I have not received reply for every my reaction. And
I'm not sure what to do and what not. So I can prepare a V2 version.

>  arch/powerpc/boot/dts/turris1x.dts            |   2 +-
>  arch/powerpc/platforms/85xx/Kconfig           |  22 ++-
>  arch/powerpc/platforms/85xx/Makefile          |   1 +
>  arch/powerpc/platforms/85xx/mpc85xx_ds.c      |  25 +--
>  arch/powerpc/platforms/85xx/mpc85xx_rdb.c     |  46 +-----
>  .../platforms/85xx/{mpc85xx_ds.c => p2020.c}  | 144 +++++++-----------
>  6 files changed, 75 insertions(+), 165 deletions(-)
>  copy arch/powerpc/platforms/85xx/{mpc85xx_ds.c => p2020.c} (53%)
> 
> -- 
> 2.20.1
>