linux-kernel - Re: [RESEND PATCHv4 0/6] Add SOCFPGA System Manager

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Message-ID: <CAK8P3a2yH+6idKS-n=t+JkQRyUK0nU_2qiJaQktQP9p_3y_86w@mail.gmail.com>
Date:   Thu, 21 Mar 2019 09:03:48 +0100
From:   Arnd Bergmann <arnd@...db.de>
To:     thor.thayer@...ux.intel.com
Cc:     Lee Jones <lee.jones@...aro.org>,
        Dinh Nguyen <dinguyen@...nel.org>,
        Russell King - ARM Linux <linux@...linux.org.uk>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will.deacon@....com>,
        Giuseppe Cavallaro <peppe.cavallaro@...com>,
        Alexandre Torgue <alexandre.torgue@...com>,
        Jose Abreu <joabreu@...opsys.com>,
        Olof Johansson <olof@...om.net>,
        David Miller <davem@...emloft.net>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Mauro Carvalho Chehab <mchehab+samsung@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        DTML <devicetree@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        Networking <netdev@...r.kernel.org>, soc@...nel.org
Subject: Re: [RESEND PATCHv4 0/6] Add SOCFPGA System Manager

On Mon, Mar 11, 2019 at 11:15 PM <thor.thayer@...ux.intel.com> wrote:
>
> From: Thor Thayer <thor.thayer@...ux.intel.com>
>
> Add MFD driver for SOCFPGA System Manager to handle
> System Manager calls differently for ARM32 vs ARM64.
> The SOCFPGA System Manager includes registers from several
> SOC peripherals.
>
> On ARM32, syscon handles this aggregated register grouping.
> Implement System Manager calls as regmap_mmio similar to syscon
> for ARM32 SOCFPGA systems.
>
> The ARM64 System Manager can only be accessed from priority
> level EL3 so this new MFD driver handles the calls to EL3.

(adding arm@...nel.org)
As discussed with Lee, let's keep the series together and merge it
through the mfd tree.

For all six patches:

Reviewed-by: Arnd Bergmann <arnd@...db.de>


> Thor Thayer (6):
>   mfd: altera-sysmgr: Add SOCFPGA System Manager
>   Documentation: dt: socfpga: Add S10 System Manager binding
>   ARM: socfpga_defconfig: Enable CONFIG_MTD_ALTERA_SYSMGR
>   arm64: defconfig: Enable CONFIG_MTD_ALTERA_SYSMGR
>   net: stmmac: socfpga: Use shared System Manager driver
>   arm64: dts: stratix10: New System Manager compatible
>
>  .../bindings/arm/altera/socfpga-system.txt         |  12 ++
>  MAINTAINERS                                        |   6 +
>  arch/arm/configs/socfpga_defconfig                 |   1 +
>  arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi  |   2 +-
>  arch/arm64/configs/defconfig                       |   1 +
>  drivers/mfd/Kconfig                                |  10 +
>  drivers/mfd/Makefile                               |   1 +
>  drivers/mfd/altera-sysmgr.c                        | 211 +++++++++++++++++++++
>  .../net/ethernet/stmicro/stmmac/dwmac-socfpga.c    |   5 +-
>  include/linux/mfd/altera-sysmgr.h                  |  29 +++
>  10 files changed, 275 insertions(+), 3 deletions(-)
>  create mode 100644 drivers/mfd/altera-sysmgr.c
>  create mode 100644 include/linux/mfd/altera-sysmgr.h
>
> --
> 2.7.4
>