linux-kernel - Re: [PATCH v3 0/8] powerpc/85xx: p2020: Create one unified machine description

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Message-ID: <20230222075208.y2nxqttaxfwsd4ye@pali>
Date:   Wed, 22 Feb 2023 08:52:08 +0100
From:   Pali Rohár <pali@...nel.org>
To:     Christophe Leroy <christophe.leroy@...roup.eu>
Cc:     Michael Ellerman <mpe@...erman.id.au>,
        Nicholas Piggin <npiggin@...il.com>,
        Scott Wood <oss@...error.net>, Sinan Akman <sinan@...teme.com>,
        Martin Kennedy <hurricos@...il.com>,
        "linuxppc-dev@...ts.ozlabs.org" <linuxppc-dev@...ts.ozlabs.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3 0/8] powerpc/85xx: p2020: Create one unified machine
 description

On Wednesday 22 February 2023 06:39:07 Christophe Leroy wrote:
> Hi,
> 
> Le 21/02/2023 à 23:07, Pali Rohár a écrit :
> > Hello Christophe! Could you look at this v3 series?
> > I addressed those small issues and hopefully it should be ready.
> > It would be great to have this finally in v6.3 release.
> 
> I started looking at your series and I will try to provide a feedback 
> within a few days.
> 
> By the way I see that Paul Gortmaker has started removal of several 85xx 
> boards. Should we first take Paul's removal series then see what remains 
> before applying yours ? That would make your series even more efficient.

I have already replied to Paul patch series. The important thing is that
we are touching different files, so patch series should be independent.

> Christoph
> 
> > 
> > On Saturday 18 February 2023 12:13:57 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
> >>
> >> Changes in v3:
> >> * Use 'if (IS_ENABLED(CONFIG_PPC_I8259))' instead of '#ifdef CONFIG_PPC_I8259'
> >> * Simplify p2020_probe()
> >> * Patches generated by -M and -C git options
> >>
> >> Link to v2: https://lore.kernel.org/linuxppc-dev/20221224211425.14983-1-pali@kernel.org/
> >>
> >> Changes in v2:
> >> * Added patch "p2020: Move i8259 code into own function" (separated from the next one)
> >> * Renamed CONFIG_P2020 to CONFIG_PPC_P2020
> >> * Fixed descriptions
> >>
> >> Link to v1: https://lore.kernel.org/linuxppc-dev/20220819191557.28116-1-pali@kernel.org/
> >>
> >> Pali Rohár (8):
> >>    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: Move i8259 code into own function
> >>    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_PPC_P2020
> >>    powerpc: dts: turris1x.dts: Remove "fsl,P2020RDB-PC" compatible string
> >>
> >>   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}  | 135 ++++++------------
> >>   6 files changed, 68 insertions(+), 163 deletions(-)
> >>   copy arch/powerpc/platforms/85xx/{mpc85xx_ds.c => p2020.c} (52%)
> >>
> >> -- 
> >> 2.20.1
> >>