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Date:   Fri, 26 May 2023 16:20:13 +0300
From:   Vladimir Oltean <olteanv@gmail.com>
To:     arinc9.unal@gmail.com
Cc:     Sean Wang <sean.wang@mediatek.com>,
        Landen Chao <Landen.Chao@mediatek.com>,
        DENG Qingfang <dqfext@gmail.com>,
        Daniel Golle <daniel@makrotopia.org>,
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        Jakub Kicinski <kuba@kernel.org>,
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        <angelogioacchino.delregno@collabora.com>,
        Russell King <linux@armlinux.org.uk>,
        =?utf-8?B?QXLEsW7DpyDDnE5BTA==?= <arinc.unal@arinc9.com>,
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        netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org,
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Subject: Re: [PATCH net-next 17/30] net: dsa: mt7530: fix port capabilities
 for MT7988
Message-ID: <20230526132013.rnc7awhqsunnepxi@skbuf>
References: <20230522121532.86610-1-arinc.unal@arinc9.com>
 <20230522121532.86610-18-arinc.unal@arinc9.com>
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On Mon, May 22, 2023 at 03:15:19PM +0300, arinc9.unal@gmail.com wrote:
> From: Arınç ÜNAL <arinc.unal@arinc9.com>
> 
> On the switch on the MT7988 SoC, there are only 4 PHYs. That's port 0 to 3.
> Set the internal phy cases to '0 ... 3'.
> 
> There's no need to clear the config->supported_interfaces bitmap before
> reporting the supported interfaces as all bits in the bitmap will already
> be initialized to zero when the phylink_config structure is allocated.
> There's no code that would change the bitmap beforehand. Remove it.
> 
> Fixes: 110c18bfed41 ("net: dsa: mt7530: introduce driver for MT7988 built-in switch")
> Signed-off-by: Arınç ÜNAL <arinc.unal@arinc9.com>
> Acked-by: Daniel Golle <daniel@makrotopia.org>
> ---

Either there is a user visible bug and in that case the patch needs to
go to the 'net' tree, or you need to drop the 'Fixes' tag.

Also, 2 separate logical changes => 2 patches please. Thanks.

>  drivers/net/dsa/mt7530.c | 4 +---
>  1 file changed, 1 insertion(+), 3 deletions(-)
> 
> diff --git a/drivers/net/dsa/mt7530.c b/drivers/net/dsa/mt7530.c
> index 514e82299537..f017cc028183 100644
> --- a/drivers/net/dsa/mt7530.c
> +++ b/drivers/net/dsa/mt7530.c
> @@ -2533,10 +2533,8 @@ static void mt7531_mac_port_get_caps(struct dsa_switch *ds, int port,
>  static void mt7988_mac_port_get_caps(struct dsa_switch *ds, int port,
>  				     struct phylink_config *config)
>  {
> -	phy_interface_zero(config->supported_interfaces);
> -
>  	switch (port) {
> -	case 0 ... 4: /* Internal phy */
> +	case 0 ... 3: /* Internal phy */
>  		__set_bit(PHY_INTERFACE_MODE_INTERNAL,
>  			  config->supported_interfaces);
>  		break;
> -- 
> 2.39.2
>