linux-kernel - Re: [PATCH net-next] net: dsa: realtek: fix digital interface select macro for EXT0

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Date: Mon, 12 Feb 2024 22:11:40 +0000
From: Alvin Šipraga <ALSI@...g-olufsen.dk>
To: Luiz Angelo Daros de Luca <luizluca@...il.com>
CC: Linus Walleij <linus.walleij@...aro.org>, Andrew Lunn <andrew@...n.ch>,
	Florian Fainelli <f.fainelli@...il.com>, Vladimir Oltean <olteanv@...il.com>,
	"David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH net-next] net: dsa: realtek: fix digital interface select
 macro for EXT0

On Mon, Feb 12, 2024 at 06:34:33PM -0300, Luiz Angelo Daros de Luca wrote:
> While no supported devices currently utilize EXT0, the register reserves
> the bits for an EXT0. EXT0 is utilized by devices from the generation
> prior to rtl8365mb, such as those supported by the driver library
> rtl8367b.
> 
> Signed-off-by: Luiz Angelo Daros de Luca <luizluca@...il.com>
> ---

Reviewed-by: Alvin Šipraga <alsi@...g-olufsen.dk>

>  drivers/net/dsa/realtek/rtl8365mb.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/net/dsa/realtek/rtl8365mb.c b/drivers/net/dsa/realtek/rtl8365mb.c
> index be56373e9473..12665a8a3412 100644
> --- a/drivers/net/dsa/realtek/rtl8365mb.c
> +++ b/drivers/net/dsa/realtek/rtl8365mb.c
> @@ -209,10 +209,10 @@
>  #define RTL8365MB_EXT_PORT_MODE_100FX		13
>  
>  /* External interface mode configuration registers 0~1 */
> -#define RTL8365MB_DIGITAL_INTERFACE_SELECT_REG0		0x1305 /* EXT1 */
> +#define RTL8365MB_DIGITAL_INTERFACE_SELECT_REG0		0x1305 /* EXT0,EXT1 */
>  #define RTL8365MB_DIGITAL_INTERFACE_SELECT_REG1		0x13C3 /* EXT2 */
>  #define RTL8365MB_DIGITAL_INTERFACE_SELECT_REG(_extint) \
> -		((_extint) == 1 ? RTL8365MB_DIGITAL_INTERFACE_SELECT_REG0 : \
> +		((_extint) <= 1 ? RTL8365MB_DIGITAL_INTERFACE_SELECT_REG0 : \
>  		 (_extint) == 2 ? RTL8365MB_DIGITAL_INTERFACE_SELECT_REG1 : \
>  		 0x0)
>  #define   RTL8365MB_DIGITAL_INTERFACE_SELECT_MODE_MASK(_extint) \
> 
> ---
> base-commit: 0f37666d87d2dea42ec21776c3d562b7cbd71612
> change-id: 20240212-realtek-fix_ext0-804aa3272a76
> 
> Best regards,
> -- 
> Luiz Angelo Daros de Luca <luizluca@...il.com>
>