Re: [PATCH] powerpc/ep8248e: Fix compile problem if !CONFIG_FS_ENET
From: Scott Wood
Date: Mon Jul 21 2008 - 12:15:14 EST
On Wed, Jul 16, 2008 at 05:57:45PM -0400, Dave Jones wrote:
> On Wed, Jul 16, 2008 at 04:47:23PM -0500, Scott Wood wrote:
> > On Wed, Jul 16, 2008 at 08:39:12AM -0500, Kumar Gala wrote:
> > > If we don't enable FS_ENET we get build issues:
> > >
> > > arch/powerpc/platforms/built-in.o: In function `ep8248e_mdio_probe':
> > > arch/powerpc/platforms/82xx/ep8248e.c:129: undefined reference to `alloc_mdio_bitbang'
> > > arch/powerpc/platforms/82xx/ep8248e.c:143: undefined reference to `mdiobus_register'
> > How is this possible? CONFIG_EP8248E selects CONFIG_MDIO_BITBANG.
> If CONFIG_PHYLIB=m however, that doesn't make any difference, because
> vmlinuz is trying to use a symbol which now lives in a module.
Yuck. If FOO selects BAR, and FOO is 'y', then BAR should be 'y', not 'm'.
If BAR depends on other symbols that are 'm', they should be changed to 'y'.
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