On 07/11/16 22:14, Nicolas Pitre wrote: > In order to break the hard dependency between the PTP clock subsystem and > ethernet drivers capable of being clock providers, this patch provides > simple PTP stub functions to allow linkage of those drivers into the > kernel even when the PTP subsystem is configured out. Drivers must be > ready to accept NULL from ptp_clock_register() in that case. > > And to make it possible for PTP to be configured out, the select statement > in those driver's Kconfig menu entries is converted to the new "imply" > statement. This way the PTP subsystem may have Kconfig dependencies of > its own, such as POSIX_TIMERS, without having to make those ethernet > drivers unavailable if POSIX timers are cconfigured out. And when support > for POSIX timers is selected again then the default config option for PTP > clock support will automatically be adjusted accordingly. > > The pch_gbe driver is a bit special as it relies on extra code in > drivers/ptp/ptp_pch.c. Therefore we let the make process descend into > drivers/ptp/ even if PTP_1588_CLOCK is unselected. > > Signed-off-by: Nicolas Pitre <n...@linaro.org> > Reviewed-by: Josh Triplett <j...@joshtriplett.org> > Acked-by: Richard Cochran <richardcoch...@gmail.com> For the sfc change: Acked-by: Edward Cree <ec...@solarflare.com>
And I accept that "suggests" isn't needed and the current "imply" semantics are probably fine. If not we can always change it or resurrect "suggests".
