Re: [RFC PATCH net-next 02/22] net: dsa: mt7530: use p5_interface_select as data type for p5_intf_sel

[Daniel Golle]

On Fri, Apr 21, 2023 at 05:36:28PM +0300, arinc9.unal@xxxxxxxxx wrote:
> From: Arınç ÜNAL <arinc.unal@xxxxxxxxxx>
> 
> Use the p5_interface_select enumeration as the data type for the
> p5_intf_sel field. This ensures p5_intf_sel can only take the values
> defined in the p5_interface_select enumeration.
> 
> Signed-off-by: Arınç ÜNAL <arinc.unal@xxxxxxxxxx>
> ---
>  drivers/net/dsa/mt7530.h | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/net/dsa/mt7530.h b/drivers/net/dsa/mt7530.h
> index 845f5dd16d83..703f8a528317 100644
> --- a/drivers/net/dsa/mt7530.h
> +++ b/drivers/net/dsa/mt7530.h
> @@ -674,13 +674,13 @@ struct mt7530_port {
>  };
>  
>  /* Port 5 interface select definitions */
> -enum p5_interface_select {
> -	P5_DISABLED = 0,
> +typedef enum {

We usually avoid adding typedef in kernel code. If the purpose is
just to be more verbose in the struct definition, you can as well
also just use 'enum p5_interface_select as type in the struct.

> +	P5_DISABLED,
>  	P5_INTF_SEL_PHY_P0,
>  	P5_INTF_SEL_PHY_P4,
>  	P5_INTF_SEL_GMAC5,
>  	P5_INTF_SEL_GMAC5_SGMII,
> -};
> +} p5_interface_select;
>  
>  struct mt7530_priv;
>  
> @@ -768,7 +768,7 @@ struct mt7530_priv {
>  	bool			mcm;
>  	phy_interface_t		p6_interface;
>  	phy_interface_t		p5_interface;
> -	unsigned int		p5_intf_sel;
> +	p5_interface_select	p5_intf_sel;

enum p5_interface_select	p5_intf_sel;

>  	u8			mirror_rx;
>  	u8			mirror_tx;
>  	struct mt7530_port	ports[MT7530_NUM_PORTS];
> -- 
> 2.37.2
>