Subject: Re: linux-next: Tree for Oct 31 (ehci, dbgp)

From: "Jan Beulich" <[email-masked]>
Date: Thu, 01 Nov 2012 19:46:52 +0000

>>> Alan Stern <[email-masked]> 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).

Jan