Subject: [PATCH v2] TTY: hvc_dcc: probe for a JTAG connection before registering

From: [email-masked] (Greg Kroah-Hartman)
Date: Thu, 17 Oct 2013 13:20:47 -0700

On Thu, Oct 17, 2013 at 02:16:37PM -0500, Rob Herring wrote:
> On Tue, Sep 24, 2013 at 9:05 PM, Rob Herring <[email-masked]> wrote:
> > From: Rob Herring <[email-masked]>
> >
> > Enabling the ARM DCC console and using without a JTAG connection will
> > simply hang the system. Since distros like to turn on all options, this
> > is a reoccurring problem to debug. We can do better by checking if
> > anything is attached and handling characters. There is no way to probe
> > this, so send a newline and check that it is handled.
> >
> > Cc: Paolo Pisati <[email-masked]>
> > Cc: Tim Gardner <[email-masked]>
> > Cc: Greg Kroah-Hartman <[email-masked]>
> > Cc: Jiri Slaby <[email-masked]>
> > Signed-off-by: Rob Herring <[email-masked]>
> > ---
> > v2: use time_is_after_jiffies
> >
> >  drivers/tty/hvc/hvc_dcc.c | 21 +++++++++++++++++++++
> >  1 file changed, 21 insertions(+)
> 
> Greg, Jiri,
> 
> Can you please apply.

I already did, didn't you get an email saying it was applied to my tree?