On Tue, Mar 28, 2023 at 04:48:45PM +0200, Arnd Bergmann wrote: > Using PTP_1588_CLOCK_OPTIONAL as a dependency for PTP_DFL_TOD would > allow enabling the driver even when PTP_1588_CLOCK is completely > disabled, which would cleanly build but not do anything useful > because the driver only handles PTP and not also networking. Okay, thanks for the explanation, Richard