posix_clock_register  265 drivers/ptp/ptp_clock.c 	err = posix_clock_register(&ptp->clock, &ptp->dev);
posix_clock_register  106 include/linux/posix-clock.h int posix_clock_register(struct posix_clock *clk, struct device *dev);
posix_clock_register  180 kernel/time/posix-clock.c EXPORT_SYMBOL_GPL(posix_clock_register);