linux-kernel - Re: [PATCH net-next v4 0/4] enetc: Add mdio bus driver for the PCIe MDIO endpoint

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Date:   Tue, 30 Jul 2019 09:53:44 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     claudiu.manoil@....com
Cc:     andrew@...n.ch, robh+dt@...nel.org, leoyang.li@....com,
        alexandru.marginean@....com, netdev@...r.kernel.org,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next v4 0/4] enetc: Add mdio bus driver for the
 PCIe MDIO endpoint

From: David Miller <davem@...emloft.net>
Date: Tue, 30 Jul 2019 09:44:36 -0700 (PDT)

> From: Claudiu Manoil <claudiu.manoil@....com>
> Date: Tue, 30 Jul 2019 12:45:15 +0300
> 
>> First patch fixes a sparse issue and cleans up accessors to avoid
>> casting to __iomem.
>> Second patch just registers the PCIe endpoint device containing
>> the MDIO registers as a standalone MDIO bus driver, to allow
>> an alternative way to control the MDIO bus.  The same code used
>> by the ENETC ports (eth controllers) to manage MDIO via local
>> registers applies and is reused.
>> 
>> Bindings are provided for the new MDIO node, similarly to ENETC
>> port nodes bindings.
>> 
>> Last patch enables the ENETC port 1 and its RGMII PHY on the
>> LS1028A QDS board, where the MDIO muxing configuration relies
>> on the MDIO support provided in the first patch.
>  ...
> 
> Series applied, thank you.

Actually this doesn't compile, I had to revert:

In file included from ./include/linux/phy.h:20,
                 from ./include/linux/of_mdio.h:11,
                 from drivers/net/ethernet/freescale/enetc/enetc_mdio.c:5:
drivers/net/ethernet/freescale/enetc/enetc_mdio.c:284:26: error: ‘enetc_mdio_id_table’ undeclared here (not in a function); did you mean ‘enetc_pci_mdio_id_table’?
 MODULE_DEVICE_TABLE(pci, enetc_mdio_id_table);
                          ^~~~~~~~~~~~~~~~~~~
./include/linux/module.h:230:15: note: in definition of macro ‘MODULE_DEVICE_TABLE’
 extern typeof(name) __mod_##type##__##name##_device_table  \
               ^~~~
./include/linux/module.h:230:21: error: ‘__mod_pci__enetc_mdio_id_table_device_table’ aliased to undefined symbol ‘enetc_mdio_id_table’
 extern typeof(name) __mod_##type##__##name##_device_table  \
                     ^~~~~~
drivers/net/ethernet/freescale/enetc/enetc_mdio.c:284:1: note: in expansion of macro ‘MODULE_DEVICE_TABLE’
 MODULE_DEVICE_TABLE(pci, enetc_mdio_id_table);
 ^~~~~~~~~~~~~~~~~~~