Messages in this thread | | | Date | Tue, 21 Apr 2015 10:51:07 -0700 | From | Florian Fainelli <> | Subject | Re: [RFC PATCH 0/3] Enable connecting DSA-based switch to the USB RMII interface. |
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On 21/04/15 10:39, Andrew Lunn wrote: >>> I would however say that sysfs is the wrong API. The linux network >>> stack uses netlink for most configuration activities. So i would >>> suggest adding a netlink binding to DSA, and place the code in >>> net/dsa/, not within an MDIO driver. >> >> I suppose we could do that, but that sounds like a pretty radical change >> in how DSA is currently configured (that is statically at boot time), >> part in order to allow booting from DSA-enabled network devices (e.g: >> nfsroot). > > We would keep both DT and platform device. But statically at boot does > not work for a USB hotpluggable switch!
Is the switch really hotpluggable, or it is the USB-Ethernet adapter connecting to it? If the former, then I agree, if not, I would imagine that there is nothing that prevents creating the switch device first, and wait for its "master_netdev" to show up later before it starts doing anything useful? -- Florian
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