Merge branch 'gianfar-some-assorted-cleanup'

Arseny Solokha says:

====================
gianfar: some assorted cleanup

This is a cleanup series for the gianfar Ethernet driver, following up a
discussion in [1]. It is intended to precede a conversion of gianfar from
PHYLIB to PHYLINK API, which will be submitted later in its version 2.
However, it won't make a conversion cleaner, except for the last patch in
this series. Obviously this series is not intended for -stable.

The first patch looks super controversial to me, as it moves lots of code
around for the sole purpose of getting rid of static forward declarations
in two translation units. On the other hand, this change is purely
mechanical and cannot do any harm other than cluttering git blame output.
I can prepare an alternative patch for only swapping adjacent functions
around, if necessary.

The second patch is a trivial follow-up to the first one, making functions
that are only called from the same translation unit static.

The third patch removes some now unused macro and structure definitions
from gianfar.h, slipped away from various cleanups in the past.

The fourth patch, also suggested in [1], makes the driver consistently use
PHY connection type value obtained from a Device Tree node, instead of
ignoring it and using the one auto-detected by MAC, when connecting to PHY.
Obviously a value has to be specified correctly in DT source, or omitted
altogether, in which case the driver will fall back to auto-detection. When
querying a DT node, the driver will also take both applicable properties
into account by making a proper API call instead of open-coding the lookup
half-way correctly.

[1] https://lore.kernel.org/netdev/CA+h21hruqt6nGG5ksDSwrGH_w5GtGF4fjAMCWJne7QJrjusERQ@mail.gmail.com/
====================

Signed-off-by: David S. Miller <davem@davemloft.net>

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