[PATCH net-next] net: stmmac: mdio: clean up c22/c45 accessor split

[Simon Horman]

On Wed, Aug 27, 2025 at 02:27:47PM +0100, Russell King (Oracle) wrote:
> The C45 accessors were setting the GR (register number) field twice,
> once with the 16-bit register address truncated to five bits, and
> then overwritten with the C45 devad. This is harmless since the field
> was being cleared prior to being updated with the C45 devad, except
> for the extra work.
> 
> Remove the redundant code.
> 
> Signed-off-by: Russell King (Oracle) <rmk+kernel at armlinux.org.uk>
> ---
> Untested, as I don't have my Jetson Xavier NX platform with me (and
> probably won't do for a few weeks.)
> 
> While this patch has been prepared on top of "net: stmmac: mdio: use
> netdev_priv() directly" it shouldn't conflict if that patch is not
> applied before this one.

Reviewed-by: Simon Horman <horms at kernel.org>