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

From	Peter De Schrijver <pdeschrijver@nvidia.com>
Newsgroups	linux.kernel
Subject	Re: [PATCH] clk: tegra: mark TEGRA210_CLK_DBGAPB as always on
Date	2017-03-13 11:50 +0100
Message-ID	<tkvI6-7IV-9@gated-at.bofh.it> (permalink)
References	(4 earlier) <ti1XQ-146-39@gated-at.bofh.it> <ti49j-2x3-11@gated-at.bofh.it> <tiHX4-5QO-9@gated-at.bofh.it> <tiIgq-5ZP-13@gated-at.bofh.it> <tiIJr-6r7-3@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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On Wed, Mar 08, 2017 at 11:48:21AM +0000, Jon Hunter wrote:
> 
> 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 ;-)

We don't have a specific power domain for DFD on Tegra210. It's part of the
non-powergateable core domain.

Cheers,

Peter.

Thread

Re: [PATCH] clk: tegra: mark TEGRA210_CLK_DBGAPB as always on Jon Hunter <jonathanh@nvidia.com> - 2017-03-02 22:30 +0100
  Re: [PATCH] clk: tegra: mark TEGRA210_CLK_DBGAPB as always on Peter De Schrijver <pdeschrijver@nvidia.com> - 2017-03-06 09:40 +0100
    Re: [PATCH] clk: tegra: mark TEGRA210_CLK_DBGAPB as always on Jon Hunter <jonathanh@nvidia.com> - 2017-03-06 11:10 +0100
      Re: [PATCH] clk: tegra: mark TEGRA210_CLK_DBGAPB as always on Peter De Schrijver <pdeschrijver@nvidia.com> - 2017-03-06 15:40 +0100
        Re: [PATCH] clk: tegra: mark TEGRA210_CLK_DBGAPB as always on Jon Hunter <jonathanh@nvidia.com> - 2017-03-06 17:00 +0100
        Re: [PATCH] clk: tegra: mark TEGRA210_CLK_DBGAPB as always on Geert Uytterhoeven <geert@linux-m68k.org> - 2017-03-06 18:00 +0100
          Re: [PATCH] clk: tegra: mark TEGRA210_CLK_DBGAPB as always on Jon Hunter <jonathanh@nvidia.com> - 2017-03-07 21:30 +0100
            Re: [PATCH] clk: tegra: mark TEGRA210_CLK_DBGAPB as always on Geert Uytterhoeven <geert@linux-m68k.org> - 2017-03-08 11:20 +0100
          Re: [PATCH] clk: tegra: mark TEGRA210_CLK_DBGAPB as always on Jon Hunter <jonathanh@nvidia.com> - 2017-03-08 12:30 +0100
            Re: [PATCH] clk: tegra: mark TEGRA210_CLK_DBGAPB as always on Geert Uytterhoeven <geert@linux-m68k.org> - 2017-03-08 12:50 +0100
              Re: [PATCH] clk: tegra: mark TEGRA210_CLK_DBGAPB as always on Jon Hunter <jonathanh@nvidia.com> - 2017-03-08 13:20 +0100
                Re: [PATCH] clk: tegra: mark TEGRA210_CLK_DBGAPB as always on Peter De Schrijver <pdeschrijver@nvidia.com> - 2017-03-13 11:50 +0100
                Re: [PATCH] clk: tegra: mark TEGRA210_CLK_DBGAPB as always on Jon Hunter <jonathanh@nvidia.com> - 2017-03-13 12:10 +0100
                Re: [PATCH] clk: tegra: mark TEGRA210_CLK_DBGAPB as always on Peter De Schrijver <pdeschrijver@nvidia.com> - 2017-03-13 15:20 +0100
          Re: [PATCH] clk: tegra: mark TEGRA210_CLK_DBGAPB as always on Peter De Schrijver <pdeschrijver@nvidia.com> - 2017-03-13 11:50 +0100

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