net: axienet: add a MODULE_ALIAS for platform instantiation

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The module is built as xilinx_emac.ko while the platform driver it
registers is named xilinx_axienet.  For a device tree instantiation that
mismatch does not matter, because the OF match table supplies the
modalias udev uses to load the module.

A device registered by name from another driver has no OF node and so no
OF modalias.  It advertises platform:xilinx_axienet, which matches
nothing, and the device is created but never bound.  ptp_ocp is going to
register the AXI Ethernet MAC of the ADVA TimeCard X2 this way, as a
child platform device described by a software node.

Add the corresponding MODULE_ALIAS so name-based instantiation can
autoload the driver, and give the name a define now that it is used in
more than one place.

Tested on the X2 with a local ptp_ocp change: with this patch the module
is loaded and binds when ptp_ocp registers the device; without it the
device stays unbound until xilinx_emac is loaded by hand.

Assisted-by: LLM sparse
Signed-off-by: Sagi Maimon <maimon.sagi@gmail.com>
Link: https://patch.msgid.link/20260928074256.462345-3-maimon.sagi@gmail.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>

...

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Sagi Maimon 2026-09-28 10:42:56 +03:00 • committed by Paolo Abeni

parent f5185ec79d

commit 418149559e

1 changed files with 9 additions and 1 deletions

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drivers/net/ethernet/xilinx/xilinx_axienet_main.c

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