[PATCH net-next 03/15] net: dsa: mt7530: store port 5 SGMII capability of MT7531

[Vladimir Oltean]

On Sat, Nov 18, 2023 at 03:31:53PM +0300, Arınç ÜNAL wrote:
> Introduce the p5_sgmii field to store the information for whether port 5
> has got SGMII or not. Instead of reading the MT7531_TOP_SIG_SR register
> multiple times, the register will be read once and the value will be
> stored on the p5_sgmii field. This saves unnecessary reads of the
> register.
> 
> Move the comment about MT7531AE and MT7531BE to mt7531_setup(), where the
> switch is identified.
> 
> Get rid of mt7531_dual_sgmii_supported() now that priv->p5_sgmii stores the
> information. Address the code where mt7531_dual_sgmii_supported() is used.
> 
> Get rid of mt7531_is_rgmii_port() which just prints the opposite of
> priv->p5_sgmii.
> 
> Instead of calling mt7531_pll_setup() then returning, do not call it if
> port 5 is SGMII.
> 
> Remove P5_INTF_SEL_GMAC5_SGMII. The p5_interface_select enum is supposed to
> represent the mode that port 5 is being used in, not the hardware
> information of port 5. Set p5_intf_sel to P5_INTF_SEL_GMAC5 instead, if
> port 5 is not dsa_is_unused_port().
> 
> Signed-off-by: Arınç ÜNAL <arinc.unal at arinc9.com>
> Acked-by: Daniel Golle <daniel at makrotopia.org>
> ---

Reviewed-by: Vladimir Oltean <olteanv at gmail.com>