[net-next RFC PATCH 0/4] net: dsa: Add Airoha AN8855 support

Russell King (Oracle) linux at armlinux.org.uk
Mon Oct 21 07:11:12 PDT 2024


On Mon, Oct 21, 2024 at 04:36:05PM +0300, Vladimir Oltean wrote:
> On Mon, Oct 21, 2024 at 03:01:55PM +0200, Christian Marangi wrote:
> > It's conceptually similar to mediatek switch but register and bits
> > are different.
> 
> Is it impractical to use struct regmap_field to abstract those
> differences away and reuse the mt7530 driver's control flow? What is the
> relationship between the Airoha and Mediatek IP anyway? The mt7530
> maintainers should also be consulted w.r.t. whether code sharing is in
> the common interest (I copied them).

That thought crossed my mind while reviewing patch 3. I compared the
PMCR and PMSR, a lot of the bits are in completely different places
between the two. I didn't check further, but I got the feeling that
would invite more complexity.

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