| Date | Tue, 5 Mar 2013 21:50:33 +0100 | From | Sebastian Andrzej Siewior <> | Subject | Re: [PATCH v3 00/23] ldisc fixes |
| |
* Peter Hurley | 2013-02-05 15:20:15 [-0500]:
> Please re-test with your dummy_hcd/g_nokia testcase, although > I'm not convinced that usb gadget is using tty_hangup() appropriately. > tty drivers use this for async carrier loss coming from an IRQ > which will be disabled if the tty has been shutdown. Does gserial > prevent async hangup to a dead tty in a similar fashion?
Not sure I understood. tty_hangup() is only called from within gserial_disconnect() which calls right after usb_ep_disable(). After usb_ep_disable() no further serial packets can be received until the endpoints are re-enabled. This happens in gserial_connect().
Sebastian
|