linux-kernel - Re: [PATCH 1/2] mfd: intel-m10-bmc: add Max10 BMC chip support for Intel FPGA PAC

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Message-ID: <20200713091708.GC3500@dell>
Date:   Mon, 13 Jul 2020 10:17:08 +0100
From:   Lee Jones <lee.jones@...aro.org>
To:     Xu Yilun <yilun.xu@...el.com>
Cc:     linux-kernel@...r.kernel.org, trix@...hat.com,
        matthew.gerlach@...ux.intel.com, russell.h.weight@...el.com,
        lgoncalv@...hat.com, Wu Hao <hao.wu@...el.com>
Subject: Re: [PATCH 1/2] mfd: intel-m10-bmc: add Max10 BMC chip support for
 Intel FPGA PAC

On Mon, 13 Jul 2020, Xu Yilun wrote:

> This patch implements the basic functions of the BMC chip for some Intel
> FPGA PCIe Acceleration Cards (PAC). The BMC is implemented using the
> intel max10 CPLD.
> 
> This BMC chip is connected to FPGA by a SPI bus. To provide reliable
> register access from FPGA, an Avalon Memory-Mapped (Avmm) transaction
> protocol over the SPI bus is used between host and slave.
> 
> This driver implements the basic register access with the regmap framework.
> The mfd cells array is empty now as a placeholder.
> 
> Signed-off-by: Xu Yilun <yilun.xu@...el.com>
> Signed-off-by: Wu Hao <hao.wu@...el.com>
> Signed-off-by: Matthew Gerlach <matthew.gerlach@...ux.intel.com>
> Signed-off-by: Russ Weight <russell.h.weight@...el.com>
> Signed-off-by: Tom Rix <trix@...hat.com>
> ---
>  .../ABI/testing/sysfs-driver-intel-m10-bmc         |  15 +
>  drivers/mfd/Kconfig                                |  13 +
>  drivers/mfd/Makefile                               |   3 +
>  drivers/mfd/intel-m10-bmc-main.c                   | 176 ++++

>  drivers/mfd/intel-spi-avmm.c                       | 904 +++++++++++++++++++++

This does not belong in MFD.

Please consider moving it to drivers/spi.

>  drivers/mfd/intel-spi-avmm.h                       |  35 +
>  include/linux/mfd/intel-m10-bmc.h                  |  57 ++
>  7 files changed, 1203 insertions(+)
>  create mode 100644 Documentation/ABI/testing/sysfs-driver-intel-m10-bmc
>  create mode 100644 drivers/mfd/intel-m10-bmc-main.c
>  create mode 100644 drivers/mfd/intel-spi-avmm.c
>  create mode 100644 drivers/mfd/intel-spi-avmm.h
>  create mode 100644 include/linux/mfd/intel-m10-bmc.h

-- 
Lee Jones [李琼斯]
Senior Technical Lead - Developer Services
Linaro.org │ Open source software for Arm SoCs
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