net: nixge: Make mdio child node optional

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Make MDIO child optional and only instantiate the
MDIO bus if the child is actually present.

There are currently no (in-tree) users of this
binding; all (out-of-tree) users use overlays that
get shipped together with the FPGA images that contain
the IP.

This will significantly increase maintainabilty
of future revisions of this IP.

Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Moritz Fischer <mdf@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Moritz Fischer 2019-02-04 09:30:38 -08:00 • committed by David S. Miller

parent 5468e82f70

commit dd648818da

2 changed files with 37 additions and 9 deletions

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27

Documentation/devicetree/bindings/net/nixge.txt

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19

drivers/net/ethernet/ni/nixge.c

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