Re: "# CONFIG_USB_SUPPORT is not set" but "CONFIG_USB_OHCI_LITTLE_ENDIAN=y" int he same kernel .config file

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On 12/22/2014 06:16 PM, Greg KH wrote:
> If you delete it, does it come back with a 'make oldconfig'?

it comes back, even on a vanilla kernel (KVM guest):

n22kvm-clone linux # uname -a
Linux n22kvm-clone 3.19.0-rc1 #1 SMP Sun Dec 21 18:03:48 CET 2014 i686 Intel Xeon E312xx (Sandy Bridge) GenuineIntel GNU/Linux

n22kvm-clone linux # grep OHCI .config
CONFIG_USB_OHCI_LITTLE_ENDIAN=y
# CONFIG_USB_OHCI_HCD is not set
# CONFIG_PROVIDE_OHCI1394_DMA_INIT is not set

n22kvm-clone linux # sed -i -e 's/CONFIG_USB_OHCI_LITTLE_ENDIAN=y/#CONFIG_USB_OHCI_LITTLE_ENDIAN=y/' .config

n22kvm-clone linux # grep OHCI .config
#CONFIG_USB_OHCI_LITTLE_ENDIAN=y
# CONFIG_USB_OHCI_HCD is not set
# CONFIG_PROVIDE_OHCI1394_DMA_INIT is not set

n22kvm-clone linux # make oldconfig
scripts/kconfig/conf --oldconfig Kconfig
#
# configuration written to .config
#

n22kvm-clone linux # grep OHCI .config
CONFIG_USB_OHCI_LITTLE_ENDIAN=y
# CONFIG_USB_OHCI_HCD is not set
# CONFIG_PROVIDE_OHCI1394_DMA_INIT is not set


-- 
Toralf
pgp key: 7B1A 07F4 EC82 0F90 D4C2  8936 872A E508 0076 E94E

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