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Message-ID: <20231207200132.772h3t3l6coan6ht@skbuf>
Date: Thu, 7 Dec 2023 22:01:32 +0200
From: Vladimir Oltean <olteanv@...il.com>
To: Arınç ÜNAL <arinc.unal@...nc9.com>
Cc: Dan Carpenter <dan.carpenter@...aro.org>,
Simon Horman <horms@...nel.org>,
Daniel Golle <daniel@...rotopia.org>,
Landen Chao <Landen.Chao@...iatek.com>,
DENG Qingfang <dqfext@...il.com>,
Sean Wang <sean.wang@...iatek.com>,
Andrew Lunn <andrew@...n.ch>,
Florian Fainelli <f.fainelli@...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>,
Russell King <linux@...linux.org.uk>, netdev@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-mediatek@...ts.infradead.org,
Frank Wunderlich <frank-w@...lic-files.de>,
Bartel Eerdekens <bartel.eerdekens@...stell8.be>,
mithat.guner@...ont.com, erkin.bozoglu@...ont.com
Subject: Re: [PATCH net-next 07/15] net: dsa: mt7530: do not run
mt7530_setup_port5() if port 5 is disabled
On Thu, Dec 07, 2023 at 08:40:15PM +0200, Vladimir Oltean wrote:
> Also, reducing the indentation level of for_each_child_of_node() by one
> can't be bad. Maybe even by more. There's this pattern:
>
> for_each_child_of_node(dn, mac_np) {
> // do stuff with mac_np
> break;
> }
>
> aka we only care about the first child of dn. We could find the mac_np
> as the only operation inside for_each_child_of_node(), break directly,
> and "do stuff with mac_np" could be done outside, further reducing the
> indentation by 1 level.
I noticed just now that there is further filtering on the child OF node
by of_device_is_compatible(). In that case, of_get_compatible_child()
could be used to eliminate for_each_child_of_node() completely.
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