On 12/22/14 09:31, Toralf Förster wrote:
> 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
>
>
Is any other Kconfig symbol that contains "OHCI" also set?
USB_OHCI_LITTLE_ENDIAN is just a flag (bool). It's not hurting anything
for it to be set AFAICT.
Its definition could be modified, I suppose, to use:
defauly y if USB_SUPPORT
instead of just
default y
--
~Randy
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