Re: FEC_MPC52xx_MDIO oddness.

From: Domen Puncer
Date: Wed Oct 31 2007 - 12:42:44 EST


On 31/10/07 17:30 +0100, Gabriel C wrote:
> Domen Puncer wrote:
> > On 31/10/07 10:22 -0400, Dave Jones wrote:
> >> The Kconfig for this reads..
> >>
> >> +config FEC_MPC52xx_MDIO
> >> + bool "MPC52xx FEC MDIO bus driver"
> >> + depends on FEC_MPC52xx
> >> + default y
> >> + ---help---
> >> + The MPC5200's FEC can connect to the Ethernet either with
> >> + an external MII PHY chip or 10 Mbps 7-wire interface
> >> + (Motorola? industry standard).
> >> + If your board uses an external PHY connected to FEC, enable this.
> >> + If not sure, enable.
> >> + If compiled as module, it will be called 'fec_mpc52xx_phy.ko'.
> >>
> >> Because this is bool, it'll never be compiled as a module.
> >> Given that fec_mpc52xx_phy.c has a MODULE_LICENSE()
> >> Should this be a tristate perhaps ?
> >
> > It's ok, it will be compiled as module if fec driver is compiled as
> > module, and built-in if fec is built-in.
> >
> > from Makefile:
> > obj-$(CONFIG_FEC_MPC52xx) += fec_mpc52xx.o
> > ifeq ($(CONFIG_FEC_MPC52xx_MDIO),y)
> > obj-$(CONFIG_FEC_MPC52xx) += fec_mpc52xx_phy.o
> > endif
> >
> > Yes, a bit weird, but it's best I could come up with.
> > (fec_mdio=m and fec=y is an invalid case, that I wanted to avoid).
>
> Could you please fix this warnings as well ?
>
>
> http://groups.google.com/group/fa.linux.kernel/browse_thread/thread/13c9d93a7afa60e2

I saw the bug reports, but unfortunately don't have a smart idea for
the solution (moving the driver into a separate Kconfig might do it),
so I'm waiting for Sam's input on this.


>
> Regards,
>
> Gabriel

--
Domen Puncer | Research & Development
.............................................................................................
Telargo d.o.o. | ZagrebÅka cesta 20 | 2000 Maribor | Slovenia
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www.telargo.com
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