Thread (5 messages) 5 messages, 2 authors, 11d ago

[PATCH net-next 0/2] net: axienet: allow instantiation without a device tree

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From: Sagi Maimon <hidden>
Date: 2026-09-27 07:38:50
Also in: linux-arm-kernel, lkml

Revision v1 of 2 in this series.

Revisions (2)
  1. v1 current
  2. v2 [diff vs current]
The ADVA TimeCard X2 is a PCIe timing card driven by ptp_ocp.  Its FPGA
contains an AXI Ethernet MAC with an AXI DMA engine.  The plan discussed
on netdev [1] is for ptp_ocp to register the MAC as a child platform
device described by a software node, so that this driver runs it rather
than a copy in ptp_ocp; Vadim Fedorenko agreed that a platform device is
the way to go.

These two patches are what axienet needs for that, apart from one more
change - letting the DMA device differ from the platform device - which
has no user without ptp_ocp and will be posted together with the ptp_ocp
patches:

1/2 reads the probe-time configuration through the device_property and
    fwnode APIs, so it can come from a software node.  No change for
    device tree users.
2/2 adds a MODULE_ALIAS, so a device registered by name autoloads the
    module.

Both were tested on the X2 with a local ptp_ocp change.

[1] https://lore.kernel.org/netdev/CAMuE1bHr84n5LKcj02HmMR5XefPtvQ-UEJAx7+UKfYvRgS0eDg@mail.gmail.com/ (local)

Sagi Maimon (2):
  net: axienet: use device_property and fwnode APIs for probe-time
    config
  net: axienet: add a MODULE_ALIAS for platform instantiation

 .../net/ethernet/xilinx/xilinx_axienet_main.c | 34 ++++++++++++-------
 1 file changed, 22 insertions(+), 12 deletions(-)


base-commit: 014d795c73837ea2339a4ea8e8f82c6e959b845d
-- 
2.47.0
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