On Thursday 02 May 2013, Alan Stern wrote:
> On Thu, 2 May 2013, Arnd Bergmann wrote:
>
> > The EHCI host controller driver can be built standalone now,
> > without enabling any of the available bus glue drivers, so
> > there is not really a reason to error out here:
>
> On the other hand, there's no reason to build the driver without any
> bus glue. It wouldn't do anything.
Yes, as I mention below, we could also use Kconfig logic to prevent
that case, as the OHCI and UHCI patches from this series do, but I felt
that would be a lot of unnecessary churn, and having just ehci-hci.ko
enabled without a bus glue is not an error, it's just as pointless
as most of the other drivers we get with "make randconfig".
> > drivers/usb/host/ehci-hcd.c:1303:2: error:
> > #error "missing bus glue for ehci-hcd" #error "missing bus glue for
> > ehci-hcd"
> >
> > The alternative would be to change the Kconfig code to build
> > the ehci-hcd module only if any of the symbols below are
> > in fact enabled.
Arnd
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