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

[Olivier Schonken]

Hi Boris

The amba bus is probed after the PIT driver.  I have today found pck0
- pck2 to work as well.  Would this be good enough to use?

Regards

On 2 July 2016 at 20:46, Boris Brezillon
<boris.brezillon at free-electrons.com> wrote:
> Hi Olivier,
>
> On Fri, 1 Jul 2016 22:07:53 +0200
> Olivier Schonken <olivier.schonken at gmail.com> wrote:
>
>> Hi Alexandre
>>
>> Resending this mail, the previous one was accidentally in html format,
>> thus rejected from the list.  My apologies.
>>
>> I did try a couple of options regarding the clock, mck included, but
>> it would then hang when probing occurs in drivers/amba/bus.c when the
>> clock gets disabled. The dummy clock solved this issue, but I'm open
>> to better suggestions.
>
> Hm, that's really weird. Is the AMBA bus driver probed before the PIT
> driver?
> Anyway, I agree that this dummy clock approach is not ideal. Could we
> make the apb_pclk clock optional in the AMBA bus driver?
>
> The other approach would be to have someone claim the mck clock before
> the AMBA bus driver, and keep it enabled.
>
> Regards,
>
> Boris