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Date: Fri, 2 Feb 2024 11:45:40 +0000
From: "Russell King (Oracle)" <linux@armlinux.org.uk>
To: arinc.unal@arinc9.com
Cc: Daniel Golle <daniel@makrotopia.org>, DENG Qingfang <dqfext@gmail.com>,
	Sean Wang <sean.wang@mediatek.com>, Andrew Lunn <andrew@lunn.ch>,
	Florian Fainelli <f.fainelli@gmail.com>,
	Vladimir Oltean <olteanv@gmail.com>,
	"David S. Miller" <davem@davemloft.net>,
	Eric Dumazet <edumazet@google.com>,
	Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
	Matthias Brugger <matthias.bgg@gmail.com>,
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	mithat.guner@xeront.com, erkin.bozoglu@xeront.com,
	Bartel Eerdekens <bartel.eerdekens@constell8.be>,
	netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-mediatek@lists.infradead.org
Subject: Re: [PATCH net-next v3 2/7] net: dsa: mt7530: call port 6 setup from
 mt7530_mac_config()
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References: <20240202-for-netnext-mt7530-improvements-2-v3-0-63d5adae99ca@arinc9.com>
 <20240202-for-netnext-mt7530-improvements-2-v3-2-63d5adae99ca@arinc9.com>
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In-Reply-To: <20240202-for-netnext-mt7530-improvements-2-v3-2-63d5adae99ca@arinc9.com>
Sender: Russell King (Oracle) <linux@armlinux.org.uk>

On Fri, Feb 02, 2024 at 12:19:08PM +0300, Arınç ÜNAL via B4 Relay wrote:
> From: Arınç ÜNAL <arinc.unal@arinc9.com>
> 
> mt7530_pad_clk_setup() is called if port 6 is enabled. It used to do more
> things than setting up port 6. That part was moved to more appropriate
> locations, mt7530_setup() and mt7530_pll_setup().
> 
> Now that all it does is set up port 6, rename it to mt7530_setup_port6(),
> and move it to a more appropriate location, under mt7530_mac_config().
> 
> Leave an empty mt7530_pad_clk_setup() to satisfy the pad_setup function
> pointer.
> 
> This is the code path for setting up the ports before:
> 
> mt753x_phylink_mac_config()
> -> mt753x_mac_config()
>    -> mt7530_mac_config()
>       -> mt7530_setup_port5()
> -> mt753x_pad_setup()
>    -> mt7530_pad_clk_setup()
> 
> This is after:
> 
> mt753x_phylink_mac_config()
> -> mt753x_mac_config()
>    -> mt7530_mac_config()
>       -> mt7530_setup_port5()
>       -> mt7530_setup_port6()
> 
> Signed-off-by: Arınç ÜNAL <arinc.unal@arinc9.com>
> Reviewed-by: Vladimir Oltean <olteanv@gmail.com>

I hope that the "default" case in mt7530_setup_port6() is effectively
unreachable - as long as mt7530_mac_port_get_caps() is paired with this
and only sets the interface modes in supported_interfaces that
mt7530_setup_port6() handles, then that will be fine.

Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>

Thanks!

-- 
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