On Thu, 30 Mar 2006, Randy.Dunlap wrote:
>
> In some way, the original line made sense to me:
> depends on USB_STORAGE && BLK_DEV_IDE
> where we have: =y && =m
>
> so if USB_STORAGE_ISD200 were a tristate, it would have been limited
> to 'm', but since it's a bool, it's not limited.
Oh, the original makes _tons_ of sense. It's just that it doesn't show the
real dependency.
It's perfectly fine to say
bool
depends on USB_STORAGE && BLK_DEV_IDE
and the bool will be true whenever usb storage and blk-dev-ide both are
enabled somehow. So far so fine.
It's just that in this case, it simply wasn't enough. It didn't _just_
depend on BLK_DEV_IDE, it depended on it being available at link-time. So
the original Kconfig rule made perfect sense, it just didn't match the
real dependency.
Linus
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