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SubjectRe: linux-next: Tree for August 19 (mfd/ucb)
drivers/mfd/ucb1400 is a sound (AC97) driver, so it should depend
on AC97_BUS, like in the patch below. However, with that patch in
place, oldconfig goes belly up on me:

linux-next-20080819> make ARCH=x86_64 O=X64 V=1 oldconfig
make -C /local/linsrc/linux-next-20080819/X64 \
KBUILD_SRC=/local/linsrc/linux-next-20080819 \
KBUILD_EXTMOD="" -f /local/linsrc/linux-next-20080819/Makefile \
make -f /local/linsrc/linux-next-20080819/scripts/ obj=scripts/basic
/bin/sh /local/linsrc/linux-next-20080819/scripts/mkmakefile \
/local/linsrc/linux-next-20080819 /local/linsrc/linux-next-20080819/X64 2 6
GEN /local/linsrc/linux-next-20080819/X64/Makefile
mkdir -p include/linux include/config
make -f /local/linsrc/linux-next-20080819/scripts/ obj=scripts/kconfig oldconfig
scripts/kconfig/conf -o arch/x86/Kconfig
make[2]: *** [oldconfig] Segmentation fault (core dumped)
make[1]: *** [oldconfig] Error 2
make: *** [sub-make] Error 2

From: Randy Dunlap <>

mfd/ucb1400 sound driver uses/depends on AC97_BUS:

ERROR: "ac97_bus_type" [drivers/mfd/ucb1400_core.ko] undefined!

Signed-off-by: Randy Dunlap <>
cc: Samuel Ortiz <>

drivers/mfd/Kconfig | 1 +
1 file changed, 1 insertion(+)

--- linux-next-20080819.orig/drivers/mfd/Kconfig
+++ linux-next-20080819/drivers/mfd/Kconfig
@@ -52,6 +52,7 @@ config HTC_PASIC3

config UCB1400_CORE
tristate "Philips UCB1400 Core driver"
+ depends on AC97_BUS
This enables support for the Philips UCB1400 core functions.
The UCB1400 is an AC97 audio codec.

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