Re: [PATCH] clk: tegra: mark TEGRA210_CLK_DBGAPB as always on

Jon Hunter
2017-03-08T11:48:21Z

On 08/03/17 11:38, Geert Uytterhoeven wrote:
> Hi Jon,
>
> On Wed, Mar 8, 2017 at 11:13 AM, Jon Hunter <jonathanh@nvidia.com> wrote:
>>> I had a similar issue with SH-Mobile AG5, where the power domain containing
>>> the JTAG interface is powered down.
>>
>> This reminds me, does your patch assume that the DFD power domain is
>> enabled? I am guessing that it needs to be for JTAG to work.
>
> Yes. The pm-rmobile driver looks for "arm,coresight-etm3x" devices, and
> marks the corresponding PM Domain as always-on, as long as the
> Coresight code doesn't handle runtime PM.

Sorry Geert, but I was asking Peter specifically about the power-domain
on Tegra as I have a feeling we may have the same scenario ;-)

Jon

--
nvpublic