linux-kernel - Re: [PATCH v8 0/9] EDAC drivers for Armada XP L2 and DDR

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Date:   Fri, 7 Jun 2019 00:47:50 +0000
From:   Chris Packham <Chris.Packham@...iedtelesis.co.nz>
To:     "linux@...linux.org.uk" <linux@...linux.org.uk>,
        "bp@...en8.de" <bp@...en8.de>,
        "mark.rutland@....com" <mark.rutland@....com>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>,
        "mchehab@...nel.org" <mchehab@...nel.org>,
        "james.morse@....com" <james.morse@....com>,
        "jlu@...gutronix.de" <jlu@...gutronix.de>,
        "gregory.clement@...tlin.com" <gregory.clement@...tlin.com>,
        Arnd Bergmann <arnd@...db.de>, Olof Johansson <olof@...om.net>
CC:     "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-edac@...r.kernel.org" <linux-edac@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v8 0/9] EDAC drivers for Armada XP L2 and DDR

Hi All,

On 10/05/19 10:15 PM, Chris Packham wrote:
> The Reviews/Acks have been given so this should be good to go in via the ARM
> tree as planned.
> 
> http://lists.infradead.org/pipermail/linux-arm-kernel/2017-August/525561.html
> 
> This series adds drivers for the L2 cache and DDR RAM ECC functionality as
> found on the MV78230/MV78x60 SoCs. Jan has tested these changes with the
> MV78460 (on a custom board with a DDR3 ECC DIMM), Chris has tested these
> changes with 88F6820 and 98dx3236 (both a custom boards with fixed DDR3 + ECC).
> 
> Also contained in this series is an additional debugfs wrapper.

Ping?

> 
> Compared to the previous v7 series this has been rebased against 5.1 requiring
> some changes in the devicetree binding documentation.
> 
> Compared to the previous v6 series I've dropped the marvell,ecc-disable
> property.
> 
> Compared to the previous v5 series I've split the dt-binding documentation into
> its own patch and updated armada_xp_edac.c to use a SPDX license.
> 
> Compared to the previous v4 series I've added my s-o-b to some of Jan's
> patches and rebased against v4.19.0.
> 
> Compared to the previous v3 series, the following changes have been made:
> - Use shorter names for the AURORA ECC and parity registers
> - Numerous formatting changes to edac/armada_xp.c (as requested by Boris)
> - Added support for Armada-38x and 98dx3236 SoCs
> 
> Compared to the previous v2 series, the following changes have been made:
> - Allocate EDAC structures later during probing and drop devres support
>    patches (requested by Boris)
> - Make drvdata->width usage consistent according to the comment (suggested by
>    Chris)
> 
> Compared to the previous v1 series, the following changes have been made:
> - Add the aurora-l2 register defines earlier in the series (suggested by
>    Russell King and Gregory CLEMENT )
> - Changed the DT vendor prefix from "arm" to "marvell" for the ecc-enable/disable
>    properties on the aurora-l2 (suggested by Russell King)
> - Fix some warnings reported by checkpatch
> 
> Compared to the original RFC series, the following changes have been made:
> - Integrated Chris' patches for parity and ECC configuration via DT
> - Merged the DDR RAM and L2 cache drivers (as requested by Boris, analogous
>    to fsl_ddr_edac.c and mpc85xx_edac.c)
> - Added myself to MAINTAINERS (requested by Boris)
> - L2 cache: Track the msg size and use snprintf (review comment by Chris)
> - L2 cache: Split error injection from the check function (review comment by
>    Chris)
> - DDR RAM: Allow 16 bit width in addition to 32 and 64 bit (review comment by
>    Chris)
> - Use of_match_ptr() (review comments by Chris)
> - Minor checkpatch cleanups
> 
> 
> Chris Packham (4):
>    ARM: l2x0: support parity-enable/disable on aurora
>    dt-bindings: ARM: document marvell,ecc-enable binding
>    ARM: l2x0: add marvell,ecc-enable property for aurora
>    EDAC: armada_xp: Add support for more SoCs
> 
> Jan Luebbe (5):
>    ARM: l2c: move cache-aurora-l2.h to asm/hardware
>    ARM: aurora-l2: add prefix to MAX_RANGE_SIZE
>    ARM: aurora-l2: add defines for parity and ECC registers
>    EDAC: Add missing debugfs_create_x32 wrapper
>    EDAC: Add driver for the Marvell Armada XP SDRAM and L2 cache ECC
> 
>   .../devicetree/bindings/arm/l2c2x0.yaml       |   4 +
>   MAINTAINERS                                   |   6 +
>   .../asm/hardware}/cache-aurora-l2.h           |  50 +-
>   arch/arm/mm/cache-l2x0.c                      |  18 +-
>   drivers/edac/Kconfig                          |   7 +
>   drivers/edac/Makefile                         |   1 +
>   drivers/edac/armada_xp_edac.c                 | 635 ++++++++++++++++++
>   drivers/edac/debugfs.c                        |  11 +
>   drivers/edac/edac_module.h                    |   5 +
>   9 files changed, 733 insertions(+), 4 deletions(-)
>   rename arch/arm/{mm => include/asm/hardware}/cache-aurora-l2.h (50%)
>   create mode 100644 drivers/edac/armada_xp_edac.c
>