[PATCH 2/2] ARM: dts: at91: sama5d2: add ETM, ETB and ETMCK node

[Alexandre Belloni]

On 04/07/2016 at 22:26:48 +0200, Boris Brezillon wrote :
> On Mon, 4 Jul 2016 18:02:03 +0200
> Alexandre Belloni <alexandre.belloni at free-electrons.com> wrote:
> 
> > On 04/07/2016 at 11:08:42 +0200, Olivier Schonken wrote :
> > > That is the dilemma I face with the structure.  What is the least
> > > invasive option to include the coresight functionality, without
> > > breaking the amba probe for other architectures that rely on it having
> > > a clock to enable/disable, and not break the processor startup by
> > > messing with stable clocks for the sake of giving the ETB/ETM a clock
> > > it doesn't need.
> > > That is why in the end I decided on a dummy clock driver.  To keep
> > > with the convention of having a clock specific to the ETM, and leaving
> > > the rest of the clocks as is.
> > >   
> > 
> > Well, the issue is in the pit driver, see the patch I just sent. With
> > both of your patches, I got my sama5d2 xplained botting fine.
> > 
> 
> You mean, replacing the reference to the dummy clk by a reference to
> mck, right?

Absolutely!

-- 
Alexandre Belloni, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com