[PATCH net-next RESEND v4 3/4] net: phy: Add helper to derive the number of ports from a phy mode

[Andrew Lunn]

On Wed, Aug 17, 2022 at 02:32:54PM +0200, Maxime Chevallier wrote:
> Some phy modes such as QSGMII multiplex several MAC<->PHY links on one
> single physical interface. QSGMII used to be the only one supported, but
> other modes such as QUSGMII also carry multiple links.
> 
> This helper allows getting the number of links that are multiplexed
> on a given interface.
> 
> Signed-off-by: Maxime Chevallier <maxime.chevallier at bootlin.com>

Reviewed-by: Andrew Lunn <andrew at lunn.ch>

    Andrew