[PATCH net 3/7] net: dsa: mt7530: do not run mt7530_setup_port5() if port 5 is disabled

[Vladimir Oltean]

On Sun, Mar 26, 2023 at 05:08:14PM +0300, arinc9.unal at gmail.com wrote:
> From: Arınç ÜNAL <arinc.unal at arinc9.com>
> 
> There's no need to run all the code on mt7530_setup_port5() if port 5 is
> disabled. Run mt7530_setup_port5() if priv->p5_intf_sel is not P5_DISABLED
> and remove the P5_DISABLED case from mt7530_setup_port5().
> 
> Stop initialising the interface variable as the remaining cases will always
> call mt7530_setup_port5() with it initialised.
> 
> Fixes: 38f790a80560 ("net: dsa: mt7530: Add support for port 5")
> Tested-by: Arınç ÜNAL <arinc.unal at arinc9.com>
> Signed-off-by: Arınç ÜNAL <arinc.unal at arinc9.com>
> ---

Again, not sure what is the problem, and how this solution addresses
that problem. I see Fixes tags for all patches, but I don't understand
what they fix, what didn't work before that works now?