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SubjectRe: [PATCHv5] net: dsa: add SMSC/Microchip LAN9303 three port ethernet switch driver
Hi David,

On Thursday 13 April 2017 16:46:04 David Miller wrote:
> > Changes in v5:
> >
> > - missing include file to 'net/dsa/tag_lan9303.c' added
> This still doesn't build cleanly.
> drivers/net/dsa/lan9303_mdio.o: In function `mdio_module_init':
> lan9303_mdio.c:(.init.text+0x0): multiple definition of `init_module'
> drivers/net/dsa/lan9303_i2c.o:lan9303_i2c.c:(.init.text+0x0): first
> defined here drivers/net/dsa/lan9303_mdio.o: In function
> `mdio_module_exit':
> lan9303_mdio.c:(.exit.text+0x0): multiple definition of `cleanup_module'
> drivers/net/dsa/lan9303_i2c.o:lan9303_i2c.c:(.exit.text+0x0): first
> defined here scripts/ recipe for target
> 'drivers/net/dsa/lan9303.o' failed
> Please test with NET_DSA_SMSC_LAN9303=m, NET_DSA_SMSC_LAN9303_I2C=y and
> NET_DSA_SMSC_LAN9303_MDIO=y as that is what I used to reproduce the
> problem above.

Sorry, missed that, due to the need for a static driver by NFSroot...

> You cannot really use module_i2c_driver() and mdio_module_driver()
> at the same time in the same driver module.
> You're going to have to have a common module init function which you
> code up by hand, which conditionally handles I2C and MDIO based
> probing based upon Kconfig symbol settings.

I'm now [v6] using the same build-method like the mfd driver mc13xx (which
can be accessed via I2C or SPI). I've now compile time tested all module
and static variants (hopefully) and run-time tested the static variant and
the I2C module variant.


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