Re: [PATCH 1/6] Revert "dt-bindings: marvell,prestera: Add description for device-tree bindings"

[Rob Herring]

On Thu, 17 Nov 2022 22:55:52 +0100, Miquel Raynal wrote:
> This reverts commit 40acc05271abc2852c32622edbebd75698736b9b.
> 
> marvell,prestera.txt is an old file describing the old Alleycat3
> standalone switches. The commit mentioned above actually hacked these
> bindings to add support for a device tree property for a more modern
> version of the IP connected over PCI, using only the generic compatible
> in order to retrieve the device node from the prestera driver to read
> one static property.
> 
> The problematic property discussed here is "base-mac-provider". The
> original intent was to point to a nvmem device which could produce the
> relevant nvmem-cell. This property has never been acked by DT
> maintainers and fails all the layering that has been brought with the nvmem
> bindings by pointing at a nvmem producer, bypassing the existing nvmem
> bindings, rather than a nvmem cell directly. Furthermore, the property
> cannot even be used upstream because it expected the ONIE tlv driver to
> produce a specific cell, driver which used nacked bindings and thus was
> never merged, replaced by a more integrated concept: the nvmem-layout.
> 
> So let's forget about this temporary addition, safely avoiding the need
> for any backward compatibility handling. A new (yaml) binding file will
> be brought with the prestera bindings, and there we will actually
> include a description of the modern IP over PCI, including the right way
> to point to a nvmem cell.
> 
> Cc: Vadym Kochan <vadym.kochan@xxxxxxxxxxx>
> Cc: Taras Chornyi <tchornyi@xxxxxxxxxxx>
> Signed-off-by: Miquel Raynal <miquel.raynal@xxxxxxxxxxx>
> ---
>  .../bindings/net/marvell,prestera.txt         | 34 -------------------
>  1 file changed, 34 deletions(-)
> 

Acked-by: Rob Herring <robh@xxxxxxxxxx>