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From: Florian Fainelli <f.fainelli@gmail.com>
To: Vladimir Oltean <vladimir.oltean@nxp.com>,
	netdev@vger.kernel.org, Jakub Kicinski <kuba@kernel.org>,
	"David S. Miller" <davem@davemloft.net>
Cc: Andrew Lunn <andrew@lunn.ch>,
	Vivien Didelot <vivien.didelot@gmail.com>,
	Vladimir Oltean <olteanv@gmail.com>,
	Kurt Kanzenbach <kurt@linutronix.de>,
	Woojung Huh <woojung.huh@microchip.com>,
	UNGLinuxDriver@microchip.com, Sean Wang <sean.wang@mediatek.com>,
	Landen Chao <Landen.Chao@mediatek.com>,
	DENG Qingfang <dqfext@gmail.com>,
	Matthias Brugger <matthias.bgg@gmail.com>,
	Claudiu Manoil <claudiu.manoil@nxp.com>,
	Alexandre Belloni <alexandre.belloni@bootlin.com>,
	George McCollister <george.mccollister@gmail.com>
Subject: Re: [RFC PATCH net-next 4/4] net: dsa: b53: express b53_for_each_port in terms of dsa_switch_for_each_port
Date: Tue, 10 Aug 2021 02:39:08 -0700	[thread overview]
Message-ID: <f7de1977-d13e-d6cd-f25e-17eeea294b96@gmail.com> (raw)
In-Reply-To: <20210809190320.1058373-5-vladimir.oltean@nxp.com>



On 8/9/2021 12:03 PM, Vladimir Oltean wrote:
> Merging the two allows us to remove the open-coded
> "dev->enabled_ports & BIT(i)" check from b53_br_join and b53_br_leave,
> while still avoiding a quadratic iteration through the switch's ports.
> 
> Sadly I don't know if it's possible to completely get rid of
> b53_for_each_port and replace it with dsa_switch_for_each_available_port,
> especially for the platforms that use pdata and not OF bindings.
> 
> Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>

We should really be able to eliminate b53_for_each_port() entirely, let 
me try to submit a patch doing that when I come back from vacation or 
you can do it, and if there are bugs, I will address them.
-- 
Florian

  reply	other threads:[~2021-08-10  9:39 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-09 19:03 [RFC PATCH net-next 0/4] Remove the "dsa_to_port in a loop" antipattern Vladimir Oltean
2021-08-09 19:03 ` [RFC PATCH net-next 1/4] net: dsa: introduce a dsa_port_is_unused helper Vladimir Oltean
2021-08-10  9:34   ` Florian Fainelli
2021-08-09 19:03 ` [RFC PATCH net-next 2/4] net: dsa: remove the "dsa_to_port in a loop" antipattern from the core Vladimir Oltean
2021-08-10  3:33   ` DENG Qingfang
2021-08-10  9:41     ` Florian Fainelli
2021-08-10 11:35       ` Vladimir Oltean
2021-08-10 16:35         ` Vladimir Oltean
2021-08-10 17:04           ` DENG Qingfang
2021-08-11 17:32             ` Vladimir Oltean
2021-08-10  9:37   ` Florian Fainelli
2021-08-09 19:03 ` [RFC PATCH net-next 3/4] net: dsa: remove the "dsa_to_port in a loop" antipattern from drivers Vladimir Oltean
2021-08-10  0:28   ` kernel test robot
2021-08-09 19:03 ` [RFC PATCH net-next 4/4] net: dsa: b53: express b53_for_each_port in terms of dsa_switch_for_each_port Vladimir Oltean
2021-08-10  9:39   ` Florian Fainelli [this message]
2021-08-10 13:14     ` Vladimir Oltean
2021-08-09 19:31 ` [RFC PATCH net-next 0/4] Remove the "dsa_to_port in a loop" antipattern Vladimir Oltean

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