> > > I will have a look at this and add the lock if necessary. > > > > At the very least you need reference counts held on the tty struct and to allow for the tty having vanished under you. > > > > I am planning to add "tty->termios_mutex" lock. Any comments ? Explain how this will help. You need a reference count to the tty itself. > I understand this and planning to avoid unnecessary registration like these. > As a solution, UART port's cpu freq status will be sent from the board file. > Adding a member to the structure "plat_serial8250_port" which says whether > a port requires cpu freq registration or not. cpu freq register function is > called in the driver depending upon the status of this structure member. > I can update the patch accordingly and send out a version 2 to the list. That sounds sensible. Alan -- To unsubscribe from this list: send the line "unsubscribe linux-serial" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
