hi: 2012/7/18 Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx>: > On Wed, Jul 18, 2012 at 11:22:49AM +0800, loody wrote: >> Dear all: >> in usb_serial_probe, we create tty_port based on max_endpoints. > > Or based on the number that the driver said to create. > >> My questions are: >> 1. some callback functions, such serial_hangup, serial_carrier_raised, >> etc. will called by tty layer with different tty_ports. >> how tty layer know these tty_ports? > > They were registered with the tty layer. > >> I only found tty_port_init to initial these tty_ports, but where we >> register these tty_ports to tty layer? > > When we register the tty device. Would you mind to tell me which function it is? > > greg k-h -- Thanks a lot, -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
