> As per my understanding, tty count keeps the count of tty_open and
> tty_release, that is
> how many open and close happened on the tty device file(/dev/ttyS*).
> The requirement here is a tty count check, if it is greater than zero then
> only it should
> proceed for further execution.
The p
On Thu, Apr 12, 2012 at 15:17:58, Alan Cox wrote:
> > > > 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->t
> > > 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.
On Thu, Apr 05, 2012 at 16:23:22, Alan Cox wrote:
> On Thu, 5 Apr 2012 10:40:55 +
> "Shankarmurthy, Akshay" wrote:
>
> > Hi,
> >
> > On Tue, Apr 03, 2012 at 15:25:30, Alan Cox wrote:
> > > > This patch was submitted 2 years ago but didn't make it to the
> > > > mainline. Now i am reposting
On Thu, 5 Apr 2012 10:40:55 +
"Shankarmurthy, Akshay" wrote:
> Hi,
>
> On Tue, Apr 03, 2012 at 15:25:30, Alan Cox wrote:
> > > This patch was submitted 2 years ago but didn't make it to the mainline.
> > > Now i am reposting it.
> >
> > Can you fix it instead of just reposting it ?
> >
>
Hi,
On Tue, Apr 03, 2012 at 15:25:30, Alan Cox wrote:
> > This patch was submitted 2 years ago but didn't make it to the mainline.
> > Now i am reposting it.
>
> Can you fix it instead of just reposting it ?
>
>
> > +#ifdef CONFIG_CPU_FREQ
> > +static int serial8250_cpufreq_transition(struct n
> This patch was submitted 2 years ago but didn't make it to the mainline. Now
> i am reposting it.
Can you fix it instead of just reposting it ?
> +#ifdef CONFIG_CPU_FREQ
> +static int serial8250_cpufreq_transition(struct notifier_block *nb,
> + unsigne
On Wed, Jan 13, 2010 at 19:14:45, Alan Cox wrote:
> > +static int serial8250_cpufreq_transition(struct notifier_block *nb,
> > +unsigned long val, void *data)
> > +{
> > + struct uart_8250_port *p;
> > + struct uart_port *uport;
> > +
> > + p = containe
