linux-kernel - Re: [PATCH 0/3] nvmem: add ONIE NVMEM cells provider

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Date:   Tue, 22 Sep 2020 02:56:41 +0300
From:   Vadym Kochan <vadym.kochan@...ision.eu>
To:     Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        Rob Herring <robh+dt@...nel.org>, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org
Subject: Re: [PATCH 0/3] nvmem: add ONIE NVMEM cells provider

Hi Srinivas,

On Tue, Sep 15, 2020 at 03:41:13PM +0300, Vadym Kochan wrote:
> This series adds cells parser for the ONIE TLV attributes which are
> stored on NVMEM device. It adds possibility to read the mac address (and
> other info) by other drivers.
> 
> Because ONIE stores info in TLV format it should be parsed first and
> then register the cells. Current NVMEM API allows to register cell
> table with known cell's offset which is not guaranteed in case of TLV.
> 
> To make it properly handled the NVMEM parser object is introduced. The
> parser needs to be registered before target NVMEM device is registered.
> During the registration of NVMEM device the parser is called to parse
> the device's cells and reister the cell table.
> 
> Vadym Kochan (3):
>   nvmem: core: introduce cells parser
>   nvmem: add ONIE nvmem cells parser
>   dt-bindings: nvmem: add description for ONIE cells parser
> 
>  .../bindings/nvmem/onie,nvmem-cells.txt       |  11 +
>  drivers/nvmem/Kconfig                         |   9 +
>  drivers/nvmem/Makefile                        |   3 +
>  drivers/nvmem/core.c                          |  80 ++++
>  drivers/nvmem/onie-cells.c                    | 370 ++++++++++++++++++
>  include/linux/nvmem-provider.h                |  30 ++
>  6 files changed, 503 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/nvmem/onie,nvmem-cells.txt
>  create mode 100644 drivers/nvmem/onie-cells.c
> 
> -- 
> 2.17.1
> 

I sent a newer version than this one which actually registers nvmem provider
and does not require changes in the core.c

Thanks,
Vadym Kochan