Re: [PATCH v3 43/44] tty/metag_da: Add metag DA TTY driver

From: Jiri Slaby
Date: Mon Jan 14 2013 - 05:20:52 EST


Hi,

On 01/11/2013 11:50 AM, James Hogan wrote:
>>> + channel_driver->driver_name = "ttyDA";
>>
>> This should be rather "metag".
>
> Yes, I'll set to "metag_da" if that's okay since the transport is
> the DA. I presume this is pretty much just to appear in
> /proc/tty/drivers?

Yes.

>>> +static void dashtty_exit(void) +{ +
>>> del_timer_sync(&put_timer); + kthread_stop(dashtty_thread); +
>>> del_timer_sync(&poll_timer); +
>>> tty_unregister_driver(channel_driver); +
>>> put_tty_driver(channel_driver);
>>
>> No tty_port_destroy anywhere?
>
> Ah yes, I've added a loop to do this before put_tty_driver() both
> here and in the error handling of dashtty_init().
>
> This driver isn't actually buildable as a module at the moment, but
> if it was, would the module owner being set ensure that the
> ttys/ports are closed down prior to dashtty_exit being called?
> (i.e. is it racy?)

Yeah, dashtty_exit won't be called until all openers are gone.

regards,
--
js
suse labs
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