From: Arnd Bergmann <a...@arndb.de>
Date: Sat, 3 Dec 2016 00:04:32 +0100
> ptp now depends on the optional POSIX_TIMERS setting and fails to build
> if we select it without that:
>
> warning: (LIQUIDIO_VF && TI_CPTS) selects PTP_1588_CLOCK which has unmet
> direct dependencies (NET && POSIX_TIMERS)
> warning: (LIQUIDIO_VF && TI_CPTS) selects PTP_1588_CLOCK which has unmet
> direct dependencies (NET && POSIX_TIMERS)
> ERROR: "posix_clock_unregister" [drivers/ptp/ptp.ko] undefined!
> ERROR: "posix_clock_register" [drivers/ptp/ptp.ko] undefined!
> ERROR: "pps_unregister_source" [drivers/ptp/ptp.ko] undefined!
> ERROR: "pps_event" [drivers/ptp/ptp.ko] undefined!
> ERROR: "pps_register_source" [drivers/ptp/ptp.ko] undefined!
>
> It seems that two patches have collided here, the build failure
> is a result of the combination. Changing the new option to 'imply'
> as well fixes it.
>
> Fixes: 111fc64a237f ("liquidio CN23XX: VF registration")
> Fixes: d1cbfd771ce8 ("ptp_clock: Allow for it to be optional")
> Signed-off-by: Arnd Bergmann <a...@arndb.de>
Like the kbuild robot, when I apply this it complains about 'imply' being
an unknown option.
I guess it worked for you because support for 'imply' exists in the -next
tree and gets pulled in from somewhere else.
In any event, as-is I cannot apply this.
