linux-kernel - Re: [PATCH net-next v3 4/7] net: dsa: mt7530: move XTAL check to mt7530

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Date: Fri, 2 Feb 2024 11:48:54 +0000
From: "Russell King (Oracle)" <linux@...linux.org.uk>
To: arinc.unal@...nc9.com
Cc: Daniel Golle <daniel@...rotopia.org>, DENG Qingfang <dqfext@...il.com>,
	Sean Wang <sean.wang@...iatek.com>, 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>,
	Matthias Brugger <matthias.bgg@...il.com>,
	AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
	mithat.guner@...ont.com, erkin.bozoglu@...ont.com,
	Bartel Eerdekens <bartel.eerdekens@...stell8.be>,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-mediatek@...ts.infradead.org
Subject: Re: [PATCH net-next v3 4/7] net: dsa: mt7530: move XTAL check to
 mt7530_setup()

On Fri, Feb 02, 2024 at 12:19:10PM +0300, Arınç ÜNAL via B4 Relay wrote:
> From: Arınç ÜNAL <arinc.unal@...nc9.com>
> 
> The crystal frequency concerns the switch core. The frequency should be
> checked when the switch is being set up so the driver can reject the
> unsupported hardware earlier and without requiring port 6 to be used.
> 
> Move it to mt7530_setup(). Drop the unnecessary function printing.
> 
> Signed-off-by: Arınç ÜNAL <arinc.unal@...nc9.com>
> Reviewed-by: Andrew Lunn <andrew@...n.ch>
> Reviewed-by: Vladimir Oltean <olteanv@...il.com>

I would prefer this to be earlier in the series, before patch 2 which
moves mt7530_setup_port6() to be called from mac_config(). mac_config()
is supposed to be configuration error-free - in other words, all state
should have been checked before hand.

Thanks.

-- 
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
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