linux-kernel - Re: [PATCH net-next v3 7/7] net: dsa: mt7530: do not clear config->supported

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Date: Fri, 2 Feb 2024 11:52:11 +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 7/7] net: dsa: mt7530: do not clear
 config->supported_interfaces

On Fri, Feb 02, 2024 at 12:19:13PM +0300, Arınç ÜNAL via B4 Relay wrote:
> From: Arınç ÜNAL <arinc.unal@...nc9.com>
> 
> 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. The
> "config" pointer points to &dp->phylink_config, and "dp" is allocated by
> dsa_port_touch() with kzalloc(), so all its fields are filled with zeroes.
> 
> There's no code that would change the bitmap beforehand. Remove it.
> 
> Signed-off-by: Arınç ÜNAL <arinc.unal@...nc9.com>
> Acked-by: Daniel Golle <daniel@...rotopia.org>
> Reviewed-by: Vladimir Oltean <olteanv@...il.com>

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

Thanks!

-- 
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