From: Andrew Lunn <andrew@lunn.ch>
To: Matthias Schiffer <matthias.schiffer@ew.tq-group.com>
Cc: Joakim Zhang <qiangqing.zhang@nxp.com>,
"David S. Miller" <davem@davemloft.net>,
Jakub Kicinski <kuba@kernel.org>,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] net: fec: defer probe if PHY on external MDIO bus is not available
Date: Fri, 22 Oct 2021 14:56:51 +0200 [thread overview]
Message-ID: <YXK1E9LLDCfajzmR@lunn.ch> (raw)
In-Reply-To: <7a478c1f25d2ea96ff09cee77d648e9c63b97dcf.camel@ew.tq-group.com>
> Hmm, lots of network drivers? I tried to find an example, but all
> drivers that generate -EPROBE_DEFER for missing PHYs at all don't have
> an internal MDIO bus and thus avoid the circular dependency.
Try drivers/net/dsa.
These often have mdio busses which get registered and then
unregistered. There are also IRQ drivers which do the same.
Andrew
next prev parent reply other threads:[~2021-10-22 12:56 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-14 11:30 [PATCH] net: fec: defer probe if PHY on external MDIO bus is not available Matthias Schiffer
2021-10-18 10:20 ` Joakim Zhang
2021-10-18 10:32 ` Matthias Schiffer
2021-10-19 14:12 ` Andrew Lunn
2021-10-20 12:03 ` Matthias Schiffer
2021-10-20 18:50 ` Andrew Lunn
2021-10-21 7:08 ` (EXT) " Matthias Schiffer
2021-10-21 12:50 ` Andrew Lunn
2021-10-22 7:57 ` Matthias Schiffer
2021-10-22 12:56 ` Andrew Lunn [this message]
2021-10-26 11:54 ` Matthias Schiffer
2021-11-03 11:59 ` Matthias Schiffer
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