2.6.29-rc3-git1 on an x86 box fails with following error.

make[2]: `scripts/unifdef' is up to date.
  Building modules, stage 2.
Kernel: arch/x86/boot/bzImage is ready  (#1)
  MODPOST 2602 modules
ERROR: "__set_irq_handler" [drivers/mfd/pcf50633-core.ko] undefined!
ERROR: "handle_level_irq" [drivers/mfd/pcf50633-core.ko] undefined!
WARNING: modpost: Found 2 section mismatch(es).
To see full details build your kernel with:
'make CONFIG_DEBUG_SECTION_MISMATCH=y'
make[1]: *** [__modpost] Error 1
make: *** [modules] Error 2

Attached here is the config.

Thanks
-Sachin

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Sachin Sant
IBM Linux Technology Center
India Systems and Technology Labs
Bangalore, India
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