Re: [PATCH 0/3] nvmem: add ONIE NVMEM cells provider
From: Vadym Kochan
Date: Mon Sep 21 2020 - 19:56:49 EST
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
I sent a newer version than this one which actually registers nvmem provider
and does not require changes in the core.c