On Thu, 19 May 2011 11:31:32 -0500
Timur Tabi <ti...@freescale.com> wrote:
> Alan Cox wrote:
> > You really also need a hangup method so vhangup() does the right thing
> > and you can securely do logins etc and sessions on your console. As
> > you've got no hardware entangled in this and you already use tty_port
> > helpers the hangup helper will do the work for you.
>
> So all I need is this?
>
> static void ehv_bc_tty_hangup(struct tty_struct *ttys)
> {
> struct ehv_bc_data *bc = ttys->driver_data;
>
> tty_port_hangup(&bc->port);
> }
>
> I've noticed that some drivers flush their transmit buffers before calling
> tty_port_hangup(), but some others don't. Should I do this too? I don't know
> if hangup should be as quick as possible.
Doesn't matter too much. If you can flush it quickly then do so
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