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Message-ID: <d4ad8f1d-63ae-fbf9-fa14-419bf2e3cf9f@gmail.com>
Date: Wed, 30 Dec 2020 08:17:42 -0800
From: Florian Fainelli <f.fainelli@...il.com>
To: Andrew Lunn <andrew@...n.ch>, DENG Qingfang <dqfext@...il.com>
Cc: "David S. Miller" <davem@...emloft.net>,
Heiner Kallweit <hkallweit1@...il.com>,
Jakub Kicinski <kuba@...nel.org>,
Landen Chao <Landen.Chao@...iatek.com>,
Marc Zyngier <maz@...nel.org>,
Matthias Brugger <matthias.bgg@...il.com>,
Philipp Zabel <p.zabel@...gutronix.de>,
Russell King <linux@...linux.org.uk>,
Sean Wang <sean.wang@...iatek.com>,
Thomas Gleixner <tglx@...utronix.de>,
Vivien Didelot <vivien.didelot@...il.com>,
Vladimir Oltean <olteanv@...il.com>,
linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
Weijie Gao <weijie.gao@...iatek.com>,
Chuanhong Guo <gch981213@...il.com>,
Linus Walleij <linus.walleij@...aro.org>,
René van Dorst <opensource@...rst.com>
Subject: Re: Registering IRQ for MT7530 internal PHYs
On 12/30/2020 7:16 AM, Andrew Lunn wrote:
>> 2. Allocated ds->slave_mii_bus before calling ds->ops->setup, because
>> we cannot call dsa_slave_mii_bus_init which is private.
>>
>> Any better ideas?
>
> Do what mv88e6xxx does, allocate the MDIO bus inside the switch
> driver.
Yes, exactly, or you could add additional hooks to allow intercepting
the initialization and de-initialization of the ds->slave_mii_bus,
something like this:
https://github.com/ffainelli/linux/commit/758da087a819cd1a284de074ea7d8eae9f875f0b
which was part of a larger series adding threaded IRQ support to the b53
driver:
https://github.com/ffainelli/linux/commits/b53-irq
--
Florian
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