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

Alexandre Belloni alexandre.belloni at free-electrons.com
Mon Jul 4 09:02:03 PDT 2016

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.

Alexandre Belloni, Free Electrons
Embedded Linux and Kernel engineering

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