From: Florian Fainelli <f.fainelli@gmail.com>
To: Andrew Lunn <andrew@lunn.ch>
Cc: Guenter Roeck <linux@roeck-us.net>,
netdev@vger.kernel.org, davem@davemloft.net,
vivien.didelot@savoirfairelinux.com,
jerome.oufella@savoirfairelinux.com, cphealy@gmail.com,
mathieu@codeaurora.org, jonasj76@gmail.com,
andrey.volkov@nexvision.fr, Chris.Packham@alliedtelesis.co.nz
Subject: Re: [RFC PATCH net-next 7/8] net: dsa: mv88e6060: make it a proper PHY driver
Date: Thu, 30 Apr 2015 10:13:38 -0700 [thread overview]
Message-ID: <554262C2.7060302@gmail.com> (raw)
In-Reply-To: <20150430170253.GD18874@lunn.ch>
On 30/04/15 10:02, Andrew Lunn wrote:
>> The net advantage I see with this approach is that currently, with DSA,
>> you get to do the following:
>>
>> - register a "dsa" platform device
>> - force your CPU Ethernet MAC to hardcode link parameters, either via a
>> "fixed PHY" or via custom settings (ala mv643xx_eth)
>> - probing needs to occur in a *very* specific order: MDIO first,
>> Ethernet device second, DSA last
>
> I'm not sure this is true. I'm pretty sure i've seen DSA return with
> -EPROBE_DEFER and try again later.
Right, I fixed that a little while ago, but that still prevents all the
scenarios described in my reply, in particular module unloading is
completely hairy, see this attempt:
http://permalink.gmane.org/gmane.linux.network/345803
--
Florian
next prev parent reply other threads:[~2015-04-30 17:13 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-04-30 1:57 [RFC PATCH net-next 0/8] net: dsa: New registration API Florian Fainelli
2015-04-30 1:57 ` [RFC PATCH net-next 1/8] net: dsa: Move dsa_switch_tree final setup in separate function Florian Fainelli
2015-05-04 2:01 ` David Miller
2015-04-30 1:57 ` [RFC PATCH net-next 2/8] net: phy: Check fixup lists in get_phy_device() Florian Fainelli
2015-05-04 2:02 ` David Miller
2015-04-30 1:57 ` [RFC PATCH net-next 3/8] net: phy: Allow PHY devices to identify themselves as Ethernet switches Florian Fainelli
2015-04-30 12:56 ` Andrew Lunn
2015-04-30 16:39 ` Florian Fainelli
2015-04-30 17:16 ` Andrew Lunn
2015-04-30 17:37 ` Florian Fainelli
2015-04-30 17:48 ` Andrew Lunn
2015-04-30 18:04 ` Florian Fainelli
2015-04-30 18:19 ` Andrew Lunn
2015-04-30 1:57 ` [RFC PATCH net-next 4/8] net: mv643xx_eth: Handle Ethernet switches as PHY devices Florian Fainelli
2015-05-04 2:06 ` David Miller
2015-04-30 1:57 ` [RFC PATCH net-next 5/8] net: dsa: add new API to register switch devices Florian Fainelli
2015-05-04 2:09 ` David Miller
2015-04-30 1:57 ` [RFC PATCH net-next 6/8] net: dsa: bcm_sf2: make it a real platform driver Florian Fainelli
2015-04-30 1:57 ` [RFC PATCH net-next 7/8] net: dsa: mv88e6060: make it a proper PHY driver Florian Fainelli
2015-04-30 12:46 ` Andrew Lunn
2015-04-30 13:49 ` Guenter Roeck
2015-04-30 16:46 ` Florian Fainelli
2015-04-30 17:02 ` Andrew Lunn
2015-04-30 17:13 ` Florian Fainelli [this message]
2015-05-01 2:28 ` Guenter Roeck
2015-05-01 6:41 ` Florian Fainelli
2015-04-30 1:57 ` [RFC PATCH net-next 8/8] net: dsa: mv88e6xxx: Allow them to be proper PHY drivers Florian Fainelli
2015-04-30 13:12 ` [RFC PATCH net-next 0/8] net: dsa: New registration API Andrew Lunn
2015-04-30 16:50 ` Florian Fainelli
2015-04-30 17:27 ` Andrew Lunn
2015-04-30 17:50 ` Florian Fainelli
2015-04-30 18:14 ` Andrew Lunn
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