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SubjectRe: linux-next: Tree for Oct 31 (ehci, dbgp)
On Thu, 1 Nov 2012, Jan Beulich wrote:

> >>> Alan Stern <stern@rowland.harvard.edu> 11/01/12 4:28 PM >>>
> >On Wed, 31 Oct 2012, Randy Dunlap wrote:
> >> on x86_64:
> >>
> >> drivers/built-in.o: In function `ehci_reset':
> >> host.c:(.text+0x542a7e): undefined reference to `dbgp_reset_prep'
> >> host.c:(.text+0x542b75): undefined reference to `dbgp_external_startup'
> >> drivers/built-in.o: In function `ehci_bus_resume':
> >> host.c:(.text+0x544705): undefined reference to `dbgp_reset_prep'
> >> host.c:(.text+0x544731): undefined reference to `dbgp_external_startup'
> >
> >We all forgot about the chipidea driver. It includes code from
>
> I didn't even know of this.
>
> >ehci-hcd in a rather unorthodox manner (see
> >drivers/usb/chipidea/host.c).
> >
> >Evidently we need to change your new test in
> >drivers/usb/early/ehci-dbgp.c to:
> >
> >#if IS_ENABLED(CONFIG_USB_HCD_EHCI) || defined(CONFIG_USB_CHIPIDEA_HOST)
> >
> >Upcoming changes to ehci-hcd will make this unnecessary in 3.8, but for
> >now we need it.
>
> Which tells me that the CONFIG_USB_SUPPORT version would have been
> the better one (and I would favor that over the ugly variant you suggest
> above).

I also suggested IS_ENABLED(CONFIG_USB), which is no uglier than what
you submitted and would also fix this build error. How about using it
instead?

Alan Stern



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