Re: [Gumstix-users] gumstix-oe: SPI module and wifi module incompatibility

[Steve S. <sa...@gm...>]

Thanks Dave!

I'll re-enable the SPI module after I figure out whether I want to
deal with the case when we actually *do* want to connect SPI to the
module now or later.

I think it will be a rare enough occurrence that I'll probably deal
with it later :-)

Steve

On Jan 25, 2008 11:10 PM, Dave Hylands <dhy...@gm...> wrote:
> Hi Steve,
>
> On Jan 25, 2008 10:10 PM, Steve Sakoman <sa...@gm...> wrote:
> > I discovered this evening that my recent check-in to enable the spi
> > driver in the kernel broke the Marvell wifi driver:
> >
> > root@gumstix-custom-verdex:~$ modprobe wlan0
> > mcf25: Unknown symbol sbi_read_ioreg
> > mcf25: Unknown symbol sbi_write_ioreg
> > FATAL: Error inserting mcf25 (/lib/modules/2.6.21/extra/mcf25.ko):
> > Unknown symbol in module, or unknown parameter (see dmesg)
> >
> > Backing out this change eliminates this error.
> >
> > Any theories?
>
> Looking at the src_cf8385/Makefile, it makes the rather presumptuous
> decision that if CONFIG_SPI is defined then you'll be using SPI to
> talk to the WLAN module (and hence tries to call sbi_read_ioreg). You
> can see that -DSPI is passed in the Makefile if CONFIG_SPI gets
> defined.
>
> --
> Dave Hylands
> Vancouver, BC, Canada
> http://www.DaveHylands.com/
>
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